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SUBSCRIBE The leading Copyright |
DICTIONARY OF OCCUPATIONAL TITLES (4th Ed., Rev. 1991)600.130-010 to 613.132-010
This category includes occupations concerned with the operation of
machines that cut, bore, mill, abrade, print, and similarly work such materials as metal, paper,
wood, plastics, and stone. A worker's relationship to the machine is of primary importance. The
more complicated jobs require an understanding of machine functions, blueprint reading, making
mathematical computations, and exercising judgment to attain conformance to specifications. In
less complicated jobs, eye and hand coordination may be the most significant factor. Installation,
assembly, repair, and maintenance of machines and mechanical equipment and weaving,
knitting, spinning, and similarly working textiles are included.
60 METAL MACHINING OCCUPATIONS
This division includes occupations concerned with shaping metal parts or products through the use of cutting tools, with or without removing excess material from stock or objects, primarily by such means as cutting, boring, milling, broaching, turning, sawing, abrading, and planing. Includes laying out, job setting, repairing, maintaining, calibrating, fitting, and assembling. The machining of nonmetallic materials is also included when the methods and machine tools commonly applied to the machining of metal are used. Occupations primarily concerned with the machining of clay, glass, and related materials are included in Division 67.
600 MACHINISTS AND RELATED OCCUPATIONS
This group includes occupations concerned with shaping metal parts by milling, turning, planing, abrading, boring, chipping, sawing, and shaving, using a variety of metalworking machines. Includes laying out, job setting, fitting, assembling, and repairing. The machining of nonmetallic materials, except wood, is also included when the methods and machine tools commonly applied to the machining of metal are used. Occupations primarily concerned with machine shop tools are included in Group 601 and machining gears in Group 602.
600.130-010 MACHINE-SHOP SUPERVISOR, TOOL (machine shop)
Supervises and coordinates activities of workers engaged
in custom-machining metallic and nonmetallic workpieces to produce, maintain, or repair parts
for machines, molds, and equipment, applying knowledge of machine shop procedures, variety of
machine-tool setup and operating techniques, metal and plastic properties, and custom-machining
methods. May supervise workers in related processes, such as forming, welding, inspecting,
testing, or assembling. Performs duties as described under SUPERVISOR (any industry) Master
Title.
600.131-014 SALVAGE ENGINEER (machinery mfg.)
Supervises and coordinates activities of workers engaged
in reworking rejected ball bearings: Disassembles and inspects races, faceways, cups, cones,
retainers, and bearings. Diagnoses imperfections, such as parts not within tolerance, scratches,
burrs, rust, or dirt and determines if part can be reworked or should be rejected. Assigns bearings
to assistants to be reworked, advises them on problems involving bearing salvage, and trains
workers in principles and practices of salvaging rejects. Inspects reworked bearings and
components, using special go-not-go gauges, calipers, and micrometers. May operate lathes to
turn, bore, face, and polish raceways, and perform related operations to rework bearings.
600.260-014 EXPERIMENTAL MECHANIC (motor-bicycles) alternate titles: development mechanic
Sets up and operates variety of machines to fabricate
experimental motorcycles or components to meet operating and endurance standards required by
blueprints, sketches, or oral instructions: Assembles motorcycle or components, using handtools.
Positions and clamps motorcycle on test rack. Attaches test equipment, such as tachometers,
thermocouples, pressure and strain gauges, flow and velocity meters, to motorcycles, using
handtools. Operates motorcycle at specified speeds and loads, and records meter and instrument
readings on test records form. Disassembles motorcycle and analyzes cause of defect in
components, such as exhaust system, frame, hydraulic fork, spring, or wheels, using handtools or
power tools, calipers, micrometers, gauges, and other measuring instruments. Operates drill
press, engine lathe, milling machine, or other machines to fabricate experimental motorcycle
parts for testing, and secures test equipment to motorcycle, using jigs & fixtures. Test rides
motorcycle to verify performance and durability of motorcycle components. Compiles and
submits report to engineering department to show results of tests and recommendations for
design or material changes.
600.260-018 MODEL MAKER, FIREARMS (ordnance) alternate titles: sample maker
Sets up and operates metalworking machines to cut,
shape, and fit parts to fabricate prototypes or modify existing models of small arms for use as
production models, analyzing specifications and determining procedures according to knowledge
of metal machining and layout: Lays out design of new parts on steel stock according to
blueprints and scale drawings. Determines fixtures, tooling, and sequence of machining
operations to fabricate parts. Sets up and operates metalworking machines to cut, shape, and fit
parts [MACHINIST (machine shop)]. Files, grinds, burnishes, and polishes parts to obtain
smooth movements [FILER, FINISH (ordnance)]. Verifies conformance of machined workpiece
to specifications, using sine bars, verniers, calipers, and micrometers. Records data for use of
TOOL MAKER (machine shop) and TOOL DESIGNER (profess. & kin.) in establishing
operating standards and machinery procedures. May test fire prototypic arms.
600.260-022 MACHINIST, EXPERIMENTAL (machine shop) alternate titles: prototype machinist
Sets up and operates machine tools, and fits and
assembles parts to fabricate tools, mechanisms, and machines for experimental purposes, such as
solving problems relative to materials, tools, work-holding arrangements, machine settings,
product specifications, and fabrication methods for production process, applying knowledge of
mechanics, shop mathematics, metal properties, layout, and machining procedures: Consults with
engineer and other personnel regarding product information, such as design, capacity and
purpose, and types of material to be used to fabricate product. Analyzes written specifications,
drawings, rough sketches, and verbal instructions to plan layout and determine sequence of
operations. Selects metal stock and lays out design according to dimensions computed from scale
drawings [LAY-OUT WORKER (any industry) I 809.281-010]. Designs fixtures, tooling, and
experimental parts to meet special engineering needs. Sets up and operates metalworking
machine tools, such as lathe, milling machine, shaper, or grinder to machine parts to
specifications, and verifies conformance of parts to specifications, using measuring instruments
[TOOL-MACHINE SET-UP OPERATOR (machine shop) 601.280-054]. Tests experimental
models under simulated operating conditions for such purposes as development, standardization,
and feasibility of design. Installs parts and materials, such as sheet metal covering, hydraulic
systems, electrical wiring, lubricants, and batteries into machines and mechanisms. Evaluates
experimental procedures and recommends changes or modifications for efficiency and
adaptability to setup and production. May establish work procedures for fabricating new
structural products, using variety of metalworking machines. May fabricate molds and $T3power
press$T1 dies to produce plastic parts and stamp metal parts. May perform heat-treating and
heliarc welding. May train workers in setup and operation of machine tools.
600.261-010 ASSEMBLER, STEAM-AND-GAS TURBINE (engine-turbine) alternate titles: leadman, turbine assembly
Fits and assembles machined parts and castings to erect
steam and gas turbines according to drawings and specifications, using machine tools, power
tools, handtools, and measuring instruments: Erects, levels, and aligns vertical supports for
bedplates of steam turbines, using levels, transit, and $T3master straightedge.$T1 Lays out work
for other assemblers on $T3thrust end,$T1 oil tank, and cylinder assemblies, following specified
assembly procedure. Chips, grinds, bores, and drills machined parts and castings, using portable
grinders, boring bar, and lapping disk. Levels and aligns high and low pressure cylinders, oil
tank, thrust end assembly, and exhaust assembly, using pin gauges. Scribes foundation holes,
lays out offset marks, and directs machine operator to drill foundation holes. Shrink-fits spindle
blade rings, diaphragm rings, dummy rings, ring gears, sleeves, couplings, and bushings on
shafts to build turbine spindles, using portable gas heating unit. Measures clearance and
alignment of spindle to cylinder, using micrometers and calipers. Adjusts spindle bearing pads or
moves blade rings to obtain specified clearances. Starts auxiliary oil pump to flush oil piping and
bearings. Starts turbine and measures balance of spindle, using vibroscope. Observes functioning
of unit and instruments to adjust alignment and clearances and to assure operation according to
specifications. Repairs worn and damaged turbines.
600.280-010 INSTRUMENT MAKER (any industry) alternate titles: mechanical technician; parts mechanic; precision-instrument and tool maker; precision-mechanical-instrument maker
Fabricates, modifies, or repairs mechanical instruments or
mechanical assemblies of electrical or electronic instruments, such as chronometric timing
devices, barographs, thermostats, seismographs, and servomechanisms, applying knowledge of
mechanics, metal properties, shop mathematics, and machining procedures and using machine
tools, welding and heat-treating equipment, precision measuring instruments, and handtools:
Measures, marks, and scribes stock, such as silver, nickel, platinum, steel, ivory, and plastic,
following blueprints and engineering sketches, and using square, rule, and scribe to lay out
workpiece for machining [LAY-OUT WORKER (machine shop)]. Sets up and operates machine
tools, such as lathes, drill presses, punch presses, milling machines, grinders, brakes, and
$T3lapping$T1 and polishing machines, to machine parts to specifications [MACHINIST
(machine shop)]. Anneals and tempers metal parts [HEAT TREATER (heat treating) I].
Assembles parts in jig and brazes or welds. Fits and installs precision components, such as
timing devices, springs, balance mechanisms, and gear trains, in housing, using jeweler's lathe,
tweezers, loupe, and handtools. Verifies dimensions of parts and installation of components,
using measuring instruments, such as micrometer, calipers, and electronic gauges. Coats
assembled instrument with protective finish, such as lacquer or enamel, using spray gun. May
install wiring and electrical components to specifications. May set up and operate machines to
fabricate dies for punch presses [DIE MAKER, BENCH, STAMPING (machine shop)]. May be
designated according to product assembled.
600.280-014 INSTRUMENT-MAKER AND REPAIRER (petrol. & gas)
Sets up and operates machine tools to remodel electrical
and electronic instruments used in electrical logging, gun perforating, sub-surface surveying, and
other oil, gas, or borehole prospecting, testing and servicing operations, following engineering
orders and specifications and applying knowledge of electronics, mechanics, metal properties,
shop mathematics, and machining procedures: Measures, marks, and scribes dimensions of parts
to be made on metal or plastic stock, using layout tools, such as rule, square, or scribe
[LAY-OUT WORKER (machine shop)]. Machines parts to specifications, using machine tools,
such as lathes, drill presses, and grinders [MACHINIST (machine shop)]. Assembles fabricated
mechanical parts and such purchased parts as pulleys, springs, and dials, using bolts, screws,
tweezers, wrenches, and screwdrivers [INSTRUMENT MAKER (any industry)]. Installs
electrical and electronic parts, such as sockets, switches, and rheostats, in chassis. Connects
circuit components, such as tubes, coils, and switches, using wire strippers and soldering iron
and following circuit diagrams. Tests instruments to determine conformance to specifications,
using equipment, such as voltmeters and ohmmeters. May be designated according to product
remodeled or repaired.
600.280-018 INSTRUMENT-MAKER APPRENTICE (any industry) alternate titles: precision-mechanical-instrument-maker apprentice
Performs duties as described under APPRENTICE (any
industry) Master Title.
600.280-022 MACHINIST (machine shop) alternate titles: machinist, first-class; machinist, general
Sets up and operates conventional, special-purpose, and
numerical control (NC) machines and machining centers to fabricate metallic and nonmetallic
parts, and fits and assembles machined parts into complete units, applying knowledge of machine
shop theory and procedures, shop mathematics, machinability of materials, and layout
techniques: Studies blueprints, sketches, drawings, manuals, specifications, or sample part to
determine dimensions and tolerances of finished workpiece, sequence of operations, and setup
requirements. Measures, marks, and scribes dimensions and reference points on material or
workpiece as guides for subsequent machining [LAY-OUT WORKER (machine shop)
600.281-018]. Selects, aligns, and secures holding fixtures, cutting tools, attachments,
accessories, and materials on machines, such as mills, lathes, jig borers, grinders, and shapers.
Calculates and sets controls to regulate machining factors, such as speed, feed, coolant flow, and
depth and angle of cut, or enters commands to retrieve, input, or edit computerized machine
control media. Starts and observes machine operation to detect malfunctions or out-of-tolerance
machining, and adjusts machine controls or control media as required. Verifies conformance of
finished workpiece to specifications, using precision measuring instruments. Sets up and operates
machine on trial run to verify accuracy of machine settings or programmed control data. Fits and
assembles parts into complete assembly, using jigs, fixtures, surface plate, surface table,
handtools, and power tools. Verifies dimensions and alignment of assembly, using measuring
instruments, such as micrometers, height gauges, and gauge blocks. May install machined
replacement parts in mechanisms, machines, and equipment, and test operation of unit to ensure
functionality and performance. May operate welding equipment to cut or weld parts. May
develop specifications from general description and draw sketch of part or product to be
fabricated. May confer with engineers, production personnel, programmers, or others to resolve
machining or assembly problems. May specialize in setting up and operating NC machines and
machining centers and be designated Numerical Control Machine Machinist (machine shop); or
set up and operate NC machines linked to automated storage, retrieval, and moving devices and
be designated Flexible Machining System Machinist (machine shop).
600.280-026 MACHINIST APPRENTICE (machine shop) alternate titles: machine-shop apprentice
Performs duties as described under APPRENTICE (any
industry) Master Title.
600.280-030 MACHINIST APPRENTICE, AUTOMOTIVE (automotive ser.)
Performs duties as described under APPRENTICE (any
industry) Master Title.
600.280-034 MACHINIST, AUTOMOTIVE (automotive ser.)
Sets up and operates variety of general or specialized
metalworking machines to repair automotive engine parts or auxiliary units, such as
transmission, differential, springs, or brakes, applying knowledge of mechanics, shop
mathematics, metal properties, and machine procedures: Operates lathe to machine water-pump
castings, piston heads, valves, and other automotive parts. Clamps piston in carriage of
piston-grinding-and-turning machine to grind piston heads to fit cylinders. Adjusts grinding
wheel to make cut of specified depth. Clamps valves in position on grinding wheel to grind
seating surfaces of valves, moving levers to achieve required depth of cut. Operates boring
machine to machine internal surfaces of cylinders in engine block. Cleans parts, before and after
machining, in agitator-type cleaning tank to remove grease, rust stains, and foreign matters.
Operates lathe, boring, or honing machine to refinish internal surfaces of bearings and connecting
rods. Verifies dimensions, using measuring instruments, such as micrometers, calipers, and
height gauges to ensure adherence to tolerance specifications. May grind metal surfaces of
engine block or other parts, using portable or $T3bench grinders.$T1 May spray worn or gouges
parts with molten aluminum, zinc, or other metal to build up parts [METAL SPRAYER,
MACHINED PARTS (any industry)]. May examine parts for fractures, using magnaflux test
equipment. May repair cracks in engine head and other vehicle parts with arc or gas welding
equipment. May operate drum lathe to resurface brake drums. May repair and resurface leaf and
coil springs, axles, king pins, bushings, and universal joints.
600.280-042 MAINTENANCE MACHINIST (machine shop) alternate titles: machine repairer; machinist, general maintenance; shop mechanic
Sets up and operates variety of machine tools, and fits
and assembles parts to fabricate or repair machine tools and maintain industrial machines,
applying knowledge of mechanics, shop mathematics, metal properties, layout, and machining
procedures: Observes and listens to operating machines or equipment to diagnose machine
malfunction and determine need for adjustment or repair. Studies blueprints, sketches, machine
parts or specifications to determine type and dimensions of metal stock required. Measures,
marks, and scribes dimensions and reference points on metal stock surfaces, using such
measuring and marking devices as calibrated ruler, micrometer, caliper, and scriber [LAY-OUT
WORKER (machine shop) 600.281-018]. Dismantles machine or equipment, using handtools or
power tools, to examine parts for defect or to remove defective part. Replaces defective part with
new part or repairs or reproduces part from various kinds of metal stock, using handtools, such as
scraper, file, and drill, and machine tools, such as lathe, milling machine, shaper, borer, and
grinder [MACHINIST (machine shop) 600.280-022]. Assembles and test operates machine to
verify correction of malfunction. Maintains and lubricates machine tools and equipment. May
weld parts, using arc or gas welding equipment. May repair or replace faulty wiring, switches, or
relays.
600.280-046 PATTERNMAKER APPRENTICE, METAL (foundry)
Performs duties as described under APPRENTICE (any
industry) Master Title.
600.280-050 PATTERNMAKER, METAL (foundry)
Lays out, mills, drills, turns, grinds, fits, and assembles
castings and parts to make metal foundry patterns, core boxes, and match plates, using handtools
and machine tools, and analyzing specifications, according to knowledge of patternmaking
methods: Studies blueprint of part to be cast, computes dimensions, and plans sequence of
operations. Measures, marks, and scribes layout on castings [LAY-OUT WORKER (machine
shop)]. Sets up and operates machine tools, such as milling machines, lathes, drill presses, and
grinders, to machine castings to specifications [TOOL-MACHINE SET-UP OPERATOR
(machine shop)]. Assembles pattern, using handtools, and bolts, screws, or other fasteners.
Cleans and hand finishes workpiece, using emery cloth, files, scrapers, and powered hand
grinders. Verifies conformance of machined pattern to blueprint specifications, using templates
and measuring instruments, such as scale, calipers, and micrometers. May make templates for
layout and inspection [TEMPLATE MAKER (any industry)]. May operate welding equipment in
assembling pattern [WELDER, COMBINATION (welding)].
600.280-054 SAMPLE MAKER, APPLIANCES (house. appl.; light. fix.) alternate titles: model maker
Sets up and operates machines to construct complete
working models of new or redesigned household electrical appliances, such as fans, heaters, and
hair driers: Lays out and fabricates metal and plastic parts, using handtools and machine tools.
Devises and constructs own tools, dies, molds, jigs, and fixtures, or modifies existing tools and
equipment [TOOL-AND-DIE MAKER (machine shop)]. Assembles mechanical and electrical
parts, and installs wiring circuits.
600.281-010 FLUID-POWER MECHANIC (any industry)
Fabricates, assembles, services, maintains, repairs, and
tests fluid power equipment, such as power steering units, and components, following blueprints,
schematics, or drawings, using handtools, power tools, and testing devices and applying
knowledge of hydraulic, pneumatic, and electrical principles: Analyzes blueprints, schematics,
diagrams, and drawings to determine fabrication specifications. Sets up and operates milling
machines, lathes, shapers, grinders, drill presses, and welders to make precision parts. Verifies
conformance to specifications, using instruments, such as micrometers, verniers, and calipers.
Assembles fluid power components, such as pumps, cylinders, valves, reservoirs, motors,
accumulators, filters, and controls, using handtools and holding devices. Connects unit to test
equipment, and analyzes and records data, such as fluid pressure, flow measure, and power loss
due to friction and parts wear. Recommends modifications in unit and in test procedures,
instrumentation, or setup, based on analysis of test results.
600.281-014 LAY-OUT INSPECTOR (machine shop) alternate titles: inspector, rough castings; lay-out worker
Inspects castings, forgings, or wax patterns of castings for
conformance to blueprints by laying out reference lines and points, and measuring dimensions,
using surface plate, precision measuring instruments, and layout procedures: Analyzes blueprint
and examines casting to determine reference points for layout. Applies blue pigment or
whitewash to layout surface on casting, using rag or brush. Positions casting on surface plate,
using parallel bars, angle plates, dial indicator, gauge blocks, V-blocks, shims, and vernier height
gauge, to establish reference points for measuring. Computes layout dimensions relative to
reference points, using shop mathematics. Marks and scribes reference lines and points on
casting and measures dimensions, using instruments, such as micrometer, protractor,
combination square, vernier height gauge, and $T3layout machine.$T1 Records location and
extent of defect in rejected casting. May inspect metal equipment used in production of casting to
determine source of error.
600.281-018 LAY-OUT WORKER (machine shop)
Lays out metal stock or workpieces, such as castings,
plates, or machine parts, to indicate location, dimensions, and tolerances necessary for further
processing, such as machining, welding, or assembly, analyzing specifications and computing
dimensions according to knowledge of product, subsequent processing, shop mathematics, and
layout procedures: Studies blueprint, sketch, model, or other specifications and plans layout.
Examines workpiece and verifies such requirements as dimensions and squareness, using rule,
square, and straightedge. Lifts and positions workpiece in relation to surface plate manually or
with hoist, using such work aids as shims, parallel blocks, and angle plates. Verifies position
with measuring instruments, such as gauge blocks, height gauges, and dial indicators.
Determines reference points and computes layout dimensions. Sets indicators on height gauge,
protractor, or $T3layout machine$T1 to computed dimensions, or projects dimensions by setting
indicators to specified locations on model and moving instrument or machine so that indicators
bear on corresponding locations on workpiece. Indents layout points, using prick punch, center
punch, and hammer. Marks or scribes layout lines, using handtools and work aids, such as
surface gauge, straightedge, compasses, templates, and scriber. Marks such data as dimensions,
instructions, and part identification on workpiece. Works to tolerances as close as plus 0.001
inch. May position model in parallel relationship to workpiece. May apply pigment to layout
surfaces, using paint brush. May inspect machined parts to verify conformance to specifications.
May add dimensional details to blueprints or prepare dimensional drawings to be followed by
other workers. May layout sheet metal or plate steel, applying specialized knowledge of sheet
metal layout geometry [SHEET-METAL LAY-OUT WORKER (any industry)].
600.281-022 MACHINE BUILDER (machinery mfg.; machine tools) alternate titles: assembler, special machine; bench hand; fitter; machinist, bench; vise hand
Fits and assembles components according to assembly
blueprints, manuals, engineering memos, sketches, and knowledge of machine construction to
construct, rebuild, and repair machines and equipment, using handtools and power tools:
Analyzes assembly blueprint and specifications manual, and plans machine building operations.
Verifies conformance of parts to stock list and blueprints, using measuring instruments, such as
calipers, gauges, and micrometers. Lays out hole locations and drills and taps holes on parts for
assembly. Aligns components for assembly, manually or with hoist, and bolts, screws, dowels,
welds, or rivets parts together, using handtools, rivet gun, and welding equipment, or arranges for
assembly by welder and electrician. Brushes blue pigment on parts and mates them to detect high
spots on surfaces. Removes high spots, and smooths surfaces, using chisels, scrapers, files, and
powered hand grinder [SCRAPER, HAND (machine shop)]. Verifies alignment and tolerances of
moving parts, using measuring instruments, such as dial indicators and thickness gauges. Tests
operation of assembly by hand. Assembles, sets up, and operates machine to verify functioning,
machine capabilities, and conformance to customer's specifications. May form and fasten piping,
fixtures, and attachments required to service machine with air, water, and oil. May install wiring
and electrical components to specifications. May work as member of team on limited part of
fabrication process. May set up and operate metalworking machines to shape parts
[TOOL-MACHINE SET-UP OPERATOR (machine shop)]. May be designated according to
type of machine or machine component as Fixture Builder (machinery mfg.).
600.360-010 MACHINE TRY-OUT SETTER (machine tools) alternate titles: detail maker and fitter
Sets up prototype metalworking machines, such as lathe,
milling machine, or forging press to verify conformance to operating specifications, according to
knowledge of inspection and machining techniques, tools and processes: Examines electrical
components, such as electrical timers, relays, and switches, to ensure adequate functioning of
automatic cycles. Compares rotary table $T3indexing,$T1 when present, to specifications.
Inspects fixture alignment, machine table movement, and position of cutting tools, using
instruments, such as dial indicators, height setting devices and gauges. Installs dies or tool
holders and tools, following blueprints, and using handtools and measuring instruments. Sets
controls to regulate speed of feed, depth of cut, or length of ram stroke, according to type of
machine being tested. Operates machine to obtain sample workpiece. Verifies conformance of
workpiece to specifications, using measuring instruments, such as calipers, micrometers, and
gauges. Determines cause of malfunction from inspection data. Repairs electrical and mechanical
components and reports electronic malfunction to supervisor. Records operational data, such as
pressure readings, length of stroke, feeds, and speeds, for customer use. May demonstrate setup
and operation for customer personnel. May be designated according to type of machine as
Honing-Machine Try-Out Setter (machine tools).
600.360-014 MACHINE SETTER (machine shop) alternate titles: machinist, job setter
Sets up and adjusts machine tools, such as lathes, milling
machines, boring machines, drills and punch presses, grinders, gear hobbers, and plastic molding
machines for other workers, such as PRODUCTION-MACHINE TENDERS (machine shop)
609.685-018, according to specifications and tooling instructions, applying knowledge of
machining methods: Reads blueprint or job order for product specifications, such as dimensions
and tolerances, and tooling instructions, such as feed rate, cutting speed, depth of cut, fixtures,
and cutting tools to be used. Installs and adjusts holding device and fastens specified cutting and
shaping tools in position to enable operator to produce finished workpiece to specifications,
using handtools, such as wrenches, screwdrivers, and pliers. Selects and sets speed and feed of
machine according to type of operation and specified material and finish. Starts machine to
obtain first-run workpiece and verifies dimensional tolerances, using micrometers, gauges, and
templates. Changes worn cutting tools and adjusts operation of machine, such as cutting speed,
feed rate, or depth of cut, when required. May replace parts on machines, such as bearings,
filters, wiring, and switches, using handtools. May instruct operators or other workers in machine
setup and operation. May set up machines and equipment other than machine tools, such as
welding machine and flame cutting equipment.
600.380-010 FIXTURE MAKER (light. fix.)
Sets up and operates metal-working machines to machine
workpieces, and fabricate electrical lighting fixture prototypes, such as floor and wall lamps and
hanging fixtures, according to specifications: Examines drawings or blueprints to ascertain
number and finished dimensions of parts required. Sets up and operates lathes to spin
[SPINNER, HYDRAULIC (any industry)] or turn [ENGINE-LATHE SET-UP OPERATOR
(machine shop)] ferrous or nonferrous metal, according to specifications. Cuts and shapes sheet
metal [MACHINE OPERATOR (any industry) I 616.380-018]. Heats and bends metal to shape
fixture parts [ORNAMENTAL-METAL WORKER (metal prod., nec)]. Verifies conformance of
parts to specification, using rule, micrometer, square, and protractor. Solders, brazes, and welds
parts, using welding and brazing equipment. Attaches glass parts, sockets, and wires to metal
parts to form fixture, using handtools. May be designated according to type of fixture fabricated
as Chandelier Maker (light. fix.).
600.380-018 MACHINE SET-UP OPERATOR (machine shop) alternate titles: machine operator, all around; machine operator, general; machine specialist; machinist
Sets up and operates machine tools, such as lathes,
milling machines, boring machines, and grinders, to machine metallic and nonmetallic
workpieces according to specifications, tooling instructions, and standard charts, applying
knowledge of machining methods: Reads blueprint or job order for product specifications, such
as dimensions and tolerances, and tooling instructions, such as fixtures, feed rates, cutting
speeds, depth of cut, and determines sequence of operations. Selects, positions, and secures tool
in toolholder (chuck, collet, or toolpost). Positions and secures workpiece in holding device,
machine table, chuck, centers, or fixtures, using clamps and wrenches. Moves controls to
position tool and workpiece in relation to each other, and to set specified feeds, speeds, and depth
of cut. Sets up fixture or feeding device, starts machine, and turns handwheel to feed tool to
workpiece or vice versa, and engages feed. Turns valve handle to direct flow of coolant or
cutting oil against tool and workpiece. Observes operation of machine and verifies conformance
of machined workpiece to specifications, using measuring instruments, such as fixed gauges,
calipers, and micrometers. Operates bench grinder to sharpen tools. May set up and operate
machines and equipment other than machine tools, such as welding machines and flame-cutting
equipment.
600.380-022 MACHINE SETTER (clock & watch)
Sets up variety of metalworking machines to cut, drill,
bore, abrade, mill, and assemble clock, watch, and timer parts, according to specifications and
tooling instructions, applying knowledge of metal machining methods: Confers with supervisor
and studies blueprints and operation sheet to determine parts or assemblies to be processed.
Installs dies, holding devices, and tools, such as cams, gears, chucks, cutters, and drills, using
handtools. Operates machine to fabricate sample parts or assemblies and verifies conformance of
workpiece to specifications visually and using gauges, such as micrometer, go-not-go, and
calipers. Demonstrates operation of machine to workers. Observes machine operation for
malfunctions, and notifies supervisor when machine repair or overhaul is required. Adjusts and
makes minor machine repairs as required. May repair cams. May teach new operators to operate
machine and maintain setup. May tend machines to meet production demands. May operate
semiautomatic or hand operated machine to produce low production or experimental parts. May
be designated according to type of machine set up as Machine Setter, Automatic (clock &
watch); Machine Setter, Hand (clock & watch); Machine Setter, Semiautomatic (clock & watch).
Important variables may be designated by brand name of machine used.
600.380-026 TURBINE-BLADE ASSEMBLER (engine-turbine)
Fabricates blade structure of steam and gas turbines
according to specifications and drawings, using machine tools, handtools, and measuring
devices: Positions blades on bench to form sections, or positions and secures disk on positioner.
Measures tenon location on blades with dial indicator and selects two blades with equal tenons
for end blades of section. Sets up and operates milling machines and pedestal grinders to grind
and mill blade roots to obtain specified section lengths, radial alignment, and root contact. Inserts
blades into grooves of spindle, cylinder, or fixture (for section blading) and pounds metal
caulking into groove to tighten blades. Operates grinders and metal saw to shape cylinder blade
locking device, spindle filler pieces, and wedges from metal stock. Fits locking device to pocket
of blade and smooths surfaces, using chalk, files, and abrasive paper. Drills, reams, and taps
locking items, such as cylinder locks, spindle filler pieces, seals, and wedges, using drill press,
and fastens them to blade by peening or inserting setscrew. Fits shroud over blade ends and
peens blade tenon to round edges of rivets, using hammer and capping tool or pneumatic
hammer. Measures head of rivet for specified clearance, using measuring tool. Grinds shroud end
of each blade section to obtain specified clearance between shrouds, using pedestal grinder. May
roll, cut, and chamfer shroud.
601 TOOLMAKERS AND RELATED OCCUPATIONS
This group includes occupations concerned with the entire scope of constructing, repairing, maintaining, and calibrating machine-shop tools, jigs, fixtures, instruments, and metal-forming dies.
601.130-010 TOOL-AND-DIE SUPERVISOR (machine shop)
Supervises and coordinates activities of workers engaged
in production and repair of metalworking dies, jigs, fixtures, gauges, and cutting tools, applying
knowledge of machining and tool and die construction. Performs other duties as described under
SUPERVISOR (any industry) Master Title.
601.260-010 TOOL-AND-DIE MAKER (machine shop)
Analyzes specifications, lays out metal stock, sets up and
operates machine tools, and fits and assembles parts to fabricate and repair metalworking dies,
cutting tools, jigs and fixtures, gauges, and machinists' handtools, applying knowledge of tool
and die design and construction, shop mathematics, metal properties, and layout, machining, and
assembly procedures: Studies specifications, such as blueprints, sketches, models, or
descriptions, and visualizes product to determine materials required and machines to be used to
fabricate parts. Computes dimensions, plans layout, and determines assembly method and
sequence of operations. Measures, marks, and scribes metal stock for machining [LAY-OUT
WORKER (machine shop) 600.281-018]. Sets up and operates machine tools, such as lathes,
milling machine, shaper, and grinder, to machine parts, and verifies conformance of machined
parts to specifications [TOOL-MACHINE SET-UP OPERATOR (machine shop) 601.280-054].
Lifts machined parts manually or using hoist, and positions and secures parts on surface plate or
worktable, using devices, such as vises, V-blocks, and angle plates. Smooths flat and contoured
surfaces, using scrapers, abrasive stones, and power grinders, and fits and assembles parts
together and into assemblies and mechanisms, using handtools. Verifies dimensions, alignments,
and clearances, using measuring instruments, such as dial indicators, gauge blocks, thickness
gauges, and micrometers. Heat-treats tools or parts [HEAT TREATER (heat treating) II
504.682-018]. May connect wiring and hydraulic lines to install electrical and hydraulic
components. May examine standard or previously used dies, tools, and jigs and fixtures, and
recommend design modifications regarding construction and function of part. May develop
specifications from general descriptions for specialty tools and draw or sketch design of product.
May specialize in repair work and be designated Tool-And-Die Repairer (machine shop).
601.260-014 TOOL-AND-DIE-MAKER APPRENTICE (machine shop)
Performs duties as described under APPRENTICE (any
industry) Master Title.
601.261-010 INSPECTOR, SET-UP AND LAY-OUT (machine shop)
Develops gauging setup and surface plate layout
procedures, draws patterns and templates, and inspects variety of parts and tools, to provide
inspection devices and fixtures for use in machining or assembly, using blueprints, formulas,
trigonometry, and precision measuring instruments: Analyzes inspection problem by comparing
part with blueprints or sketches, and devises procedures necessary to measure specified
dimensions. Lays out part on surface plate or positions in gauging setup to verify dimensions,
using master gauges, $T3indexing$T1 head, gauge blocks, comparators, verniers, micrometers,
and indicators. Develops and draws patterns and templates used to measure curves and angles.
Tests surface finish of machined parts, using profilameter. Tests hardness of metal parts
[HARDNESS INSPECTOR (heat treating)]. Analyzes defective parts to determine reasons for
dimensional variations, such as faulty machining, or assembly procedures, setup, tools, or
fixtures. Recommends corrective procedures to design, methods, process, or production
engineering departments. Inspects machining or assembly fixtures, tools, or gauges, and suggests
replacement or use of new equipment. May approve parts not within specified dimension
tolerances. May change allowable tolerances specified on blueprint.
601.280-010 DIE MAKER, STAMPING (machine shop) alternate titles: body-die maker
Lays out, machines, fits, assembles, and finishes metal
castings and parts to make and repair stamping dies, analyzing specifications and applying
knowledge of die design and construction: Studies blueprints of product and die, prototype
products, and die models. Visualizes structure and function of die and plans operations, applying
knowledge of shop mathematics, machining and assembly methods, properties of sheet metal
under pressure, and metal-forming presses. Measures, marks, and scribes castings and stock for
machining. Sets up and operates machine tools, such as lathe, milling machine, $T3radial drill
press,$T1 shaper, and grinder, to machine parts to specifications, and verifies conformance of
machined parts to specifications [TOOL-MACHINE SET-UP OPERATOR (machine shop)].
Lifts machined parts manually or using hoist, and positions them on worktable or surface plate
for assembly. Shapes, smooths, and fits flat and contoured surfaces of die members and parts,
using handtools, such as stones, files, and powered grinders [DIE FINISHER (machine shop)].
Verifies dimensions, clearances, and alignment of members and parts in die, using dial
indicators, gauge blocks, thickness gauges, and micrometers. Dowels and bolts parts together,
using handtools, such as hammers and wrenches. Connects wiring and hydraulic lines to install
electric and hydraulic components. Fits and assembles components for mechanical action within
die. May operate power press, perform final shaping and smoothing operations on die in press,
and inspect sheet metal product, to complete tryout of die [DIE-TRY-OUT WORKER,
STAMPING (machine shop)]. May only repair dies and be designated Die Repairer, Stamping
(machine shop).
601.280-014 DIE MAKER, TRIM (machine shop) alternate titles: trim die maker; trimmer maker
Lays out, machines, assembles, and finishes metal stock
to make dies that trim excess metal $T3flash$T1 from forged metal parts, following blueprints
and applying knowledge of die design and construction, shop mathematics, and metal properties:
Analyzes blueprint of part or die and plans sequence of operations. Measures and scribes metal
stock to layout design of die. Sets up and operates variety of machine tools, such as shaper,
vertical turret lathe, and engine lathe to machine die parts [TOOL-MACHINE SET-UP
OPERATOR (machine shop)]. Bolts and dowels die parts to assemble die, using handtools, such
as power grinder, scrapers, files, and emery cloth to fit die parts and to obtain specified
dimensions and contours. Inspects assembled die with sample part and measuring instruments,
such as calipers, micrometers, and height gauges to verify conformance to specifications. May
make dies containing mechanical or hydraulic components. May make dies that trim flash
diecastings. May make templates to verify dimensions [TEMPLATE MAKER, EXTRUSION
DIE (machine shop)]. May make tools to form die parts [TOOL MAKER (machine shop)]. May
repair dies and be designated Die Repairer, Trimmer Dies (machine shop).
601.280-018 DIE MAKER, WIRE DRAWING (machine shop)
Lays out, machines, and finishes metal, carbide, and
diamond parts to make and repair wiredrawing dies, analyzing specifications and applying
knowledge of metal properties, shop mathematics, and wiredrawing die construction: Studies
specifications, such as blueprints, sketches, and standard charts, and visualizes shape of die.
Computes die dimensions and plans sequence of operations. Measures, marks, and scribes metal
stock to lay out for machining [LAY-OUT WORKER (machine shop)]. Sets up and operates
machine tools, such as lathes, milling machines, and grinders, to machine die parts
[TOOL-MACHINE SET-UP OPERATOR (machine shop)]. Polishes die bores by
$T3lapping$T1 manually or using die-finishing machines, applying progressively finer grades of
diamond dust compound. Inspects die for defects, such as cracks and scratches, using loupe or
microscope. Pulls wire or rod through die bore manually or using wiredrawing machine.
Measures wire or rod, using measuring instruments such as micrometer, vernier gauge, or
protractor, to verify conformance of die bore to specifications. May design and make tools, jigs,
and fixtures. May be designated according to type of die made or repaired as Carbide-Die Maker
(machine shop); Diamond-Die Maker (machine shop).
601.280-022 DIE SINKER (machine shop) alternate titles: forging-die sinker
Lays out, machines, and finishes impression cavities in
die blocks to produce forging dies, following blueprints and applying knowledge of diesinking:
Analyzes blueprint of part or die and plans sequence of operations. Measures and marks die
block to lay out designs of cavities. Sets up and operates variety of machine tools, such as shaper,
vertical turret lathe, and engine lathe to machine cavities in die block [TOOL-MACHINE
SET-UP OPERATOR (machine shop)]. Obtains specified dimensions, contours, and finish of die
cavities, using tools, such as power grinder, scrapers, files, and emery cloth. Inspects die cavities,
using templates and measuring instruments, such as calipers, micrometers, and height gauges to
verify conformance to specifications. May develop die design from blueprint of part, using
knowledge of machining and forging processes. May make templates to verify dimensions of
cavities [TEMPLATE MAKER, EXTRUSION DIE (machine shop)]. May make and inspect
sample lead or plaster cast of part to verify fit of die members and basic shape of part. May repair
forging dies and be designated Die Repairer, Forging (machine shop). May set up and operate
machines to plane surfaces and edges of forging dies and be known as Edger Machine Setter
(machine shop).
601.280-030 MOLD MAKER, DIE-CASTING AND PLASTIC MOLDING (machine shop) alternate titles: die-cast-die maker; mold maker, plastic molds
Lays out, machines, fits, assembles, and finishes metal
parts to make and repair dies for diecasting of metal products and metal molds for injection or
compression molding of plastic or glass products, analyzing specifications, and applying
knowledge of die and mold design and construction: Studies blueprints of product and die or
mold, and computes specifications, applying knowledge of shop mathematics and metal
diecasting or plastic or glass molding processes and machinery. Plans sequence of operations,
visualizing shape of die or mold in reverse of product. Measures, marks, and scribes metal stock
to lay out for machining [LAY-OUT WORKER (machine shop)]. Gives machining
specifications to TOOL-MACHINE SET-UP OPERATORS (machine shop) or sets up and
operates machines, such as horizontal boring mill, engine lathe, profile milling machine, and
pantograph machine to machine outer dimensions and contoured cavity of die or mold
[TOOL-MACHINE SET-UP OPERATOR (machine shop); PANTOGRAPH-MACHINE
SET-UP OPERATOR (machine shop)]. Grinds, files, and sands parts, using files, emery cloth,
and powered grinders, to fit parts for assembly and to smooth and finish cavity. Assembles die or
mold, using handtools. Verifies dimensions, using calipers, $T3planer gauges,$T1 and dial
indicators. May repair molds and be designated Mold Repairer, Die-Casting And Plastic Molding
(machine shop).
601.280-034 TAP-AND-DIE-MAKER TECHNICIAN (clock & watch)
Sets up and operates machines, such as watchmaker's
lathe, bench miller, and tap grinder to make taps and dies used in manufacture of watch screws
and taps: Makes master taps following blueprints and working to pitch (thread) tolerance of
0.00002 inch and outside diameter tolerance of 0.0001 inch. Threads master dies, using master
taps. Makes working taps and dies from master taps and dies, using variety of semiautomatic
machine tools. Laps, mills, spots, etches, drills, and taps die blanks, using variety of abrasives,
bench machines, and precision gauges. Anneals and hardens dies, utilizing knowledge of
heat-treating operations.
601.280-038 TEMPLATE MAKER, EXTRUSION DIE (machine shop)
Lays out sheet or plate steel, and sets up and operates
machine tools to make templates (replicas of cross sections of products to be extruded) used in
manufacture of extrusion dies: Analyzes blueprints to determine product specifications and plans
operations, applying knowledge of template making, extrusion of nonferrous metals, shop
mathematics and sheet metalwork. Applies copper sulfate solution to surface of steel plate, using
cloth or brush. Computes dimensions, and measures and scribes outline of product cross section
on steel. Saws, files, and operates drill press, arbor press, band-sawing machine, filing machine,
and vertical milling machine to drill, saw, shape, and smooth workpiece to layout lines
[TOOL-MACHINE SET-UP OPERATOR (machine shop)]. Verifies conformance of template to
specifications, using measuring instruments, such as micrometers, calipers, and protractors. May
operate bench grinder to grind standard files to shape for particular operation.
601.280-042 TOOL MAKER (machine shop)
Analyzes variety of specifications, lays out metal stock,
sets up and operates machine tools, and fits and assembles parts to fabricate or repair cutting
tools, jigs, fixtures, gauges, or machinists' handtools, applying knowledge of tool design, shop
mathematics, metal properties, and layout, machining, and assembly procedures: Studies
specifications, such as blueprints, sketches, or tool description, and plans sequence of operations.
Measures, marks, and scribes metal stock to lay out workpieces for machining [LAY-OUT
WORKER (machine shop) 600.281-018]. Sets up and operates machine tools, such as lathe,
milling machine, shaper, and grinder, to machine parts to specifications, and verifies
conformance of machined parts to specifications [TOOL-MACHINE SET-UP OPERATOR
(machine shop) 601.280-054]. Positions and secures parts on surface plate or worktable, using
devices such as vises, V-blocks, and angle plates. Fits and assembles parts into assemblies or
mechanisms, using handtools. Verifies dimensions and alignment, using measuring instruments
such as micrometers, height gauges, and gauge blocks. Examines standard tools and modifies
tools as required. Develops specifications from general descriptions and draws or sketches tool to
be fabricated, using drafting tools or computer and software programs. May heattreat tools or
parts [HEAT TREATER (heat treating) II 504.682-018]. May be designated according to special
materials used as Carbide-Tool Maker (clock & watch); Diamond-Tool Maker (clock & watch).
May only repair tools and be designated Tool Repairer (machine shop).
601.280-054 TOOL-MACHINE SET-UP OPERATOR (machine shop) alternate titles: machine-tool operator, general; machinist; set-up-operator, tool
Sets up and operates variety of machine tools, such as
$T3radial drill press,$T1 lathes, milling machines, shapers, and grinders, to machine metal
workpieces, such as patterns and machine, tool, or die parts, usually on custom basis. Analyzes
specifications and determines tooling, applying knowledge of metal properties, machining, and
shop mathematics: Studies blueprint or layout on workpiece to visualize machining required, and
plans sequence of operations. Selects method of holding workpiece. Lifts workpiece manually or
using hoist, and positions and secures it to holding device, such as machine table, chuck, centers,
or fixture, using wrenches and aids, such as shims, parallel blocks, planter gauges, and clamps.
Verifies workpiece position, using instruments, such as surface gauges, height gauges, and dial
indicator. Selects feed rate, cutting speed, depth of cut, and cutting tool (bar tool, rotary cutter, or
abrasive wheel) for each operation, according to knowledge of metal properties, machining, and
shop mathematics. Positions and secures tool in toolholder (chuck, collet, or toolpost). Moves
controls to position tool and workpiece in relation to each other, and to set feeds, speeds, and
depth of cut. Starts machine, turns handwheel to feed tool in workpiece or vice versa, and
engages automatic feeding device. Turns valve handle to start flow of coolant against tool and
workpiece. Observes operation and regulates tool position and action. Verifies conformance of
machined workpiece to specifications, using instruments, such as micrometers, gauges, and
gauge blocks. May measure, mark, and scribe workpiece to lay out for machining [LAY-OUT
WORKER (machine shop) 600.281-018]. May devise ways of clamping workpieces and make
special jigs and fixtures as needed. May work on nonmetallic materials. May operate bench
grinder or cutter grinding machine to sharpen tools [TOOL-GRINDER OPERATOR (machine
shop) 603.280-038].
601.280-058 TOOL-MAKER APPRENTICE (machine shop)
Performs duties as described under APPRENTICE (any
industry) Master Title.
601.281-010 DIE MAKER, BENCH, STAMPING (machine shop) alternate titles: bench die maker; die maker; stamping-die maker, bench
Lays out, fits, and assembles castings and metal parts to
make and repair stamping dies, analyzing specifications according to knowledge of shop
mathematics, die construction, and properties of sheet metal under pressure: Studies blueprints of
die and product, die models, templates, and prototype parts and visualizes shape, mechanical
structure, and operation of die. Computes dimensions, plans machining, layout, and assembly
operations. Measures, marks, and scribes metal stock for machining by other workers. Operates
drill press to drill and tap holes in parts for assembly. Lifts machined parts manually or with
hoist, and positions them for assembly on worktable or surface plate. Smooths flat and contoured
surfaces and fits parts to each other, using handtools, such as abrasive stones, files, and power
grinder. Verifies dimensions, alignments, and clearances, using dial indicators, gauge blocks,
thickness gauges, and micrometers. Dowels and bolts parts together, using handtools, such as
hammers and wrenches. Works to tolerances as close as 0.0005 inch. May fit and assemble
cam-operated mechanisms for lateral movement of part of die. May connect wiring and hydraulic
lines to install electric and hydraulic components. May dismantle die and repair or replace parts.
May make multistation $T3progressive dies$T1 and be designated Progressive-Die Maker
(machine shop).
601.281-014 DIE-TRY-OUT WORKER, STAMPING (machine shop)
Tests, shapes, and smooths stamping die, using tryout
power press and abrading handtools, until die members impart specified characteristics to sheet
metal product: Studies blueprint of die and model of part, applying knowledge of die
construction and flowing properties of metal under pressure. Installs die in press. Applies blue
pigment to one die member and orange to other, and intermittently operates press through part of
cycle to press die members together. Observes pigment markings to locate high spots. Secures
press, using blocks, to prevent premature closing, climbs into open press, and uses powered hand
grinder and handtools, such as scrapers, files, and abrasive stones, to remove high spots and
shape and smooth die surface to conform to other die member. Adjusts press to allow for
thickness of sheet metal workpiece and inserts model part. Repeatedly operates press. Observes
markings on model part, and performs shaping and smoothing operations accordingly. Inserts
sheet metal blank, operates press, and inspects and compares stamped workpiece with model part
and customer's specifications, using measuring devices and checking fixture. May operate power
shear to cut blank [SHEAR OPERATOR (any industry) II]. May consult with superiors and other
workers to solve metal forming problems.
601.281-018 INSPECTOR, GAUGE AND INSTRUMENT (machine shop) alternate titles: gauge checker
Inspects and adjusts gauges, measuring instruments, and
testing equipment for conformance to blueprint specifications: Verifies accuracy of gauges and
measuring instruments, such as dial indicators, fixed gauges, height gauges, and electrical and
functional gauges, using master gauges or master parts. Examines gauges or measuring
instruments for wear or adjustment. Disassembles inaccurate or worn gauges and measuring
instruments with handtools. Inspects parts for wear, warping, or other defects. Verifies
dimensions of parts against blueprint specifications, using gauge blocks, micrometer, vernier
height gauge, sine bar, bevel protractor, and optical comparator. Measures surface flatness and
finish, using optical flats and profilameter. Computes unspecified dimensions and other data,
using shop mathematics and trigonometry. Laps corroded or pitted surfaces. Reassembles gauge
and adjusts stops and levers to specified settings. Inspects accuracy of new gauges and
instruments for conformance to blueprint specifications before they are released for production
use.
601.281-022 INSPECTOR, TOOL (machine shop) alternate titles: precision inspector; surface-plate inspector; tool-and-die inspector; tool-and-gauge inspector; tooling inspector
Inspects, tests, and adjusts new and reworked tools, dies,
gauges, jigs, and fixtures, for conformance to specifications, such as dimensions, tolerances, and
hardness, applying knowledge of tool and die design, shop mathematics, and machining and
testing procedures, using precision measuring instruments, testing equipment, and handtools:
Computes angles, radii, and other unspecified dimensions of workpiece, using algebra, geometry,
and trigonometry. Positions workpiece on surface plate and lays out reference points and center
lines on parts [LAY-OUT WORKER (machine shop) 600.281-018]. Measures angular
dimensions, radii, contours, clearances, thread lead, and other specifications, using precision
measuring instruments, such as micrometer, gauge blocks, dial indicators, height gauges, level
protractors, and optical comparators. Tests units for fit of moving parts and mechanical
functioning. Tests parts for hardness, using hardness testing equipment [HARDNESS
INSPECTOR (heat treating) 504.387-010]. Inspects, adjusts, and verifies accuracy of gauges and
measuring instruments for conformance to specifications [INSPECTOR, GAUGE AND
INSTRUMENT (machine shop) 601.281-018]. Examines defective parts to determine cause of
defect and recommends changes or modifications. Determines salvageability of defective items,
utilizing knowledge of material and machining costs. Measures surface finish of part, using
profilometer. Inspects first run parts and assemblies. Writes report regarding inspection and
testing results. May draw enlarged part details for use on optical comparator. May use
laser-equipped measuring instruments. May inspect parts for flaws or internal fissures, using
ultrasonic equipment or fluorescent lights. May test gauges used in manufacture and assembly of
watches, using measuring devices and microscope, and be designated Gauge Controller (clock &
watch).
601.281-026 TOOL MAKER, BENCH (machine shop)
Lays out, fits, and assembles parts to make and repair
cutting tools, jigs, fixtures, gauges, or machinists' handtools, analyzing specifications according
to knowledge of tool designs, shop mathematics, machining, and layout and assembly
procedures: Studies blueprint to determine machining to be done and plans layout and assembly.
Measures, marks, and scribes metal stock to lay out for machining by other workers [LAY-OUT
WORKER (machine shop) 600.281-018]. Operates drill press to drill and tap holes in parts
[DRILL-PRESS SET-UP OPERATOR, SINGLE SPINDLE (machine shop) 606.682-018].
Smooths and scrapes parts to fit, using handtools such as files and scrapers. Positions and secures
parts on surface plate with devices such as V-blocks, vises, and angle plates. Assembles parts
into product, using tools such as wrenches, hammers, and tweezers, and verifies dimensions and
alignments, using measuring instruments such as micrometers, height gauges, and gauge blocks.
May set up and operate surface grinder [GRINDER OPERATOR, SURFACE, TOOL (machine
shop) 603.280-014] to grind surface of parts. May test assembled mechanism. May be designated
according to specialized function as Tool Repairer, Bench (machine shop); or according to
product made as Gauge Maker (machine shop); Jig-And-Fixture Maker (machine shop).
601.281-030 TOOL AND FIXTURE REPAIRER (auto. mfg.)
Replaces and adjusts tools and fixtures of production
machines and components of transfer systems in industrial establishment, using handtools and
precision measuring instruments, following specifications and blueprints, and applying
knowledge of hydraulics, pneumatics, and machine programming and maintenance: Observes
production machines, such as punch and drill presses, milling machines, lathes and robotic
equipment, to detect malfunctions, need for adjustment and alignment, or replacement of worn or
broken tools and fixtures. Removes, replaces, adjusts, and aligns components of machines and
equipment, such as production fixtures, programmable machines (robots), and conveyors and
transfer devices (workpiece shuttle mechanisms), using precision measuring instruments and
handtools. Enters instructions on $T3programmable controller$T1 or $T3robot controller$T1, to
adjust speed, motion, and alignment of programmable machines, applying knowledge of machine
programming and operations and production processes. Repairs and calibrates electronic
measuring gauges, using electrical test equipment, master gauges, and handtools. Operates
machines to verify that repairs, adjustments, and alignments have corrected problems and that
machines function according to specifications. Disassembles, cleans, and polishes machine
components. Informs supervisor of machine malfunctions requiring repair by other maintenance
workers, such as ELECTRICIAN, MAINTENANCE (any industry) 829.261-018. May set up
and operate machine tools, such as lathes, mills, and surface grinders, to repair worn or broken
production tools and fixtures.
601.380-010 CARBIDE OPERATOR (machine shop) alternate titles: carbide grinder
Fabricates tungsten-carbide cutting tips for use on lathes,
planers, milling machines, and other metalworking tools, using mechanical or hydraulic press,
furnaces, cutting and grinding wheels, and precision-measuring instruments: Weighs cobalt,
carbon, tungsten, titanium, and other powdered metals on balance scale to obtain specified
molding mixture. Pours mixture from pans into molds or into hoppers for automatic feeding into
molds in press. Turns valves on press to compress mixture into billet. Removes billet from press.
Sets automatic feed, time, and temperature controls on sintering furnace. Feeds billets into
furnace to fuse metals together. Removes billets from furnace and cuts and grinds them into
cutting tips, using diamond cutting wheel and electric grinding wheel. Measures cutting edges of
tips to ensure attainment of specified tolerances, using gauges, rulers, micrometers, and
protractors. Sets pyrometer controls of heat-treating furnace, and feeds cutting tips into furnace to
harden them. May regrind cutting tips and remeasure for conformance to specifications.
601.381-010 DIE FINISHER (machine shop) alternate titles: die fitter
Grinds, files, sands, and polishes surfaces of
metalworking die members to specified shape and smoothness and inspects dies for conformity
to wood, plastic, or plaster die models or prototype parts: Lifts and positions die member on
bench manually or with hoist. Studies blueprints, die models, and prototype parts, and compares
them with die member to ascertain contours. Verifies dimensions and radii, using micrometers,
dial indicators, and calipers. Brushes blue pigment on ridged and grooved surface of
rough-milled die member, and grinds down ridges with powered hand grinder until only traces of
blue pigment remain. Brushes contrasting pigments on die member and prototype part, die
model, or corresponding die member, and presses them together, manually or with press.
Observes pattern of pigments where surfaces have made contact, and grinds and files high spots
until die member conforms to specified contour. Polishes die member, using hand stones.
Inspects smoothness and contour conformity visually and tactually. May be designated according
to part finished as Punch Finisher (machine shop).
601.381-014 DIE MAKER (jewelry-silver.) alternate titles: die cutter; hub cutter
Fabricates set of dies for use in forming and shaping
metal jewelry blanks, following drawings or blueprints and using variety of metalworking
machines and engraver's handtools: Brushes blue dye on surface of steel block workpiece.
Measures, locates, and marks center of block with cross-lines, using divider and drafter's pencil.
Copies design, freehand, from sample drawing or blueprint, maintaining size specifications.
Scribes along drawn line, using scribe. Measures finished design for conformance to
specifications, using calipers and gauges. Positions workpiece in vise and cuts out lines of
design. Chips and cuts away excess metal to complete design, using metalworking machines and
handtools. Verifies dimensions of workpiece, using calipers and gauges. Hardens and tempers
steel block and drives it into another block of soft steel or plastic to form sunken design, using
press, or sends it to machine shop for processing. Engraves other half of die by pounding thin
sheets of metal into completed half. May engrave lettering and designs into dies, using
pantograph machine. May cut out, shape, and harden upper steel die (forcer) used to stamp out
jewelry articles and be known as Forcer Maker (jewelry-silver.).
601.381-018 DIE POLISHER (nonfer. metal)
Polishes and resurfaces bores and cavities of wire
drawing dies to specified size and angles, using hand laps or various die polishing machines,
tools, and diamond cutting pastes: Cleans dies by immersing them in tank with water, detergent,
and agitating pebbles or sonic cleaner. Inspects worn dies to ascertain extent of wear, using
loupe, steel gauge pins, and micrometer. Laps die surfaces to specified dimensions as it revolves
in $T3lapping$T1 machine or on bench lathe, using cotton swabs and progressively finer
diamond pastes; or resurfaces and polishes die, using polishing machine and diamond pastes.
Inspects die for cracks and smoothness of finish, using loupe or microscope, and measures
diameter of die openings for conformance to specifications, using steel gauge pins and
micrometer. May resurface and clean dies, using powered drill, grinder, or files and other
handtools.
601.381-022 DIE-MAKER APPRENTICE (jewelry-silver.) alternate titles: die-cutter apprentice; hub-cutter apprentice
Performs duties as described under APPRENTICE (any
industry) Master Title.
601.381-026 PLASTIC TOOL MAKER (machine shop)
Molds and assembles plastic tools, such as gauges, jigs,
templates, and fixtures, following blueprints: Spreads layers of glass cloth on molds or forms and
brushes each layer with plastic to build plastic tool following configuration of mold. Pries cured
plastic tool from mold with prying tool. Calculates, from blueprints, location of guide and
reference lines and holes for tools. Measures and marks location of lines and holes on tools,
using calipers, micrometers, and protractors. Drills holes in tools, using drill press, and forces
bushings into holes, using arbor press or hammer. Assembles tools by laminating them with glass
cloth and resin. Verifies alignment and dimensions of assembly, using calipers, height gauges,
gram scale, and sight level. Trims excess material from tool parts with power grinder. Fills space
between adjoining parts with plastic. May build wood frame to support and maintain alignment
of complex tools, using carpenter's handtools. May laminate tools to frame.
601.381-030 PLASTIC-FIXTURE BUILDER (machine shop) alternate titles: model maker, plastic
Fabricates precision plastic checking fixtures used to
determine accuracy of stamped metal parts: Casts plastic reproduction from model of part
[PLASTIC DUPLICATOR (machine tools)]. Lays out reference lines on cast as guides in
assembling, fitting, and trimming operations, using height gauges, surface plates, squares,
protractors, and other measuring instruments. Cuts and trims casts following reference lines,
using files, saws, planes, and other handtools. Assembles casts with glue, bolts, and other
fasteners. Fits and fastens metal inserts into fixture at specified points to increase strength or
accuracy. Verifies dimensions of completed fixture for conformance to specifications, using
templates and measuring instruments. May fabricate metal inserts used in fixture, using powered
saws, powered grinder, and files.
601.381-034 SAW MAKER (cutlery-hrdwr.) alternate titles: saw mechanic
Fabricates blades for bandsaws, circular saws, and
jigsaws from steel blanks or band stock, following work order specifications and using
handtools, machine tools, and knowledge of metal characteristics: Selects blank or band stock,
according to size, type, and operating requirements of blade. Hammers dents, kinks, and twists
from blank or band stock. Operates power roller to straighten blade and stretch (roll) blade to
specified temper. Installs specified serrating dies in punch press and operates press to cut teeth in
blade. Sharpens and sets blade teeth, using power grinder and swaging machine. Operates butt
welding machine to join ends of bandsaw blade. May operate surface grinder to grind blanks to
specified thickness. May heat-treat saws to relieve internal stress and temper metal [HEAT
TREATER (heat treating) I]. May specialize in tempering and aligning blades and be designated
Sawsmith (cutlery-hrdwr.).
601.381-038 TEMPLATE MAKER (any industry)
Designs and fabricates templates of assorted materials,
such as metal, fiberglass, wood, and plastic, for laying out reference points and dimensions on
metal plates, sheets, tubes, and structural shapes used for fabricating, welding, and assembling
structural metal products or dies: Plans and develops layout according to blueprints, work orders,
tool planning orders, mockups, or sample parts, applying knowledge of trigonometry, product
design, and properties of metal. Lays out design onto template material, using instruments, such
as compass, protractor, dividers, and ruler, and marks shape and reference points, using scriber,
pencil, chalk, and punch. Cuts, trims, drills, reams, files, shapes, and forms templates, using
handtools, power tools, and fabricating machines, such as bandsaw, drill press, jointer, punch
press, and shear. Nails, glues, screws, bolts, solders, or welds component parts to assemble
templates. Marks job numbers, file codes, dimensions, layout, and fabricating instructions on
templates. Repairs and reworks templates. May construct jigs and fixtures for fabricating
machine operations [TOOL MAKER, BENCH (machine shop) 601.281-026].
601.381-042 DIE MAKER, ELECTRONIC (machine shop)
Lays out, machines, fits, and assembles metal parts to
fabricate electronic (heat-sealing) dies used to form plastic products, working from blueprints or
drawings and using milling machine, tools, and precision instruments: Studies blueprints,
drawings, and specifications to plan machine operations applying knowledge of metal properties
and machine shop math. Selects and positions brass or steel stock on milling table, by hand or
using hoist. Sets up and operates milling machine to machine channels of specified width and
depth in stock to form electrodes. Measures, marks, and cuts electrodes to specified sizes, using
rule, scribe, and cutoff knife. Sets aside electrodes for further processing by other workers.
Positions completed electrodes on die board template to locate reference points for lugs and die
parts, and marks reference points, using hammer and punch. Drills and taps holes in aluminum
plate that serves as base for die, using power drill with tapping attachment, and mounts dies to
base with screws, using screwdriver. Operates milling machine to reduce electrode altitude from
die bottom to top of electrodes, working to tolerances of plus or minus .001 inch. Measures dies
to verify conformance to specifications, using vernier gauge, micrometer, and ruler.
601.482-010 PROFILE-GRINDER TECHNICIAN (clock & watch)
Sets up and operates grinding equipment to grind
precision cutting tools and dies from tungsten carbide and high-speed steel, working from
blueprints and to tolerances of 0.0001 inch: Plans and lays out work and sets up equipment, using
variety of precision measuring devices and machine attachments and fixtures. Grinds tools and
dies to prescribed dimensions by turning handwheels or adjusting controls to feed work against
grinders. Measures dimensions with precision gauges. Removes, dresses, and installs emery,
diamond-impregnated, and diamond-charged cast-iron grinding wheels.
601.682-010 TOOL DRESSER (any industry) alternate titles: drill-sharpener operator
Operates compressed-air or steam-driven machine to
sharpen large drills, such as rock drills, used in construction, mining, quarrying, and
well-drilling: Places cutting end of drill in forge to heat cutting edge to increase malleability.
Inserts heated drill into die space on machine. Starts hammering action of die to shape cutting
edge of drill. Stops machine and removes edged drill. Tempers drill by heating it in forge and
quenching it in water, brine, or oil.
602 GEAR MACHINING OCCUPATIONS
This group includes occupations concerned with shaping metal gears by any combination of milling, turning, planing, abrading, boring, chipping, sawing, or shaving.
602.280-010 GEAR-CUTTING-MACHINE SET-UP OPERATOR, TOOL (machine shop) alternate titles: gear cutter; gear shaper; tool-room gear-machine operator
Sets up and operates variety of gear-cutting machines,
such as gear shapers, hobs, and generators to machine spline, rack, or gear teeth on metal blanks,
analyzing specifications according to knowledge of gear designs, shop mathematics, and gear
machining procedures: Studies blueprint to visualize machining required, and plans sequence of
operations. Selects machine and method of holding workpiece. Computes machine settings from
gear specifications. Positions and secures workpiece to cutting angle on arbor, in chuck or other
holding device, using wrenches. Selects, positions, and secures cutters in toolhead, in spindle, or
on arbor. Sets feed rates and rotation speeds of cutters and workpiece in relation to each other by
selecting and mounting gears, cams, or templates, or by moving levers. Moves controls to set
cutting speeds and depth of stroke and cut for reciprocating cutters, and to position tool and
workpiece in relation to each other. May select and mount guides to impart twisting motion to
spindle for cutting helical gears. Starts machine, turns valve handle to start flow of coolant
against cutter and workpiece. Verifies conformance of machined gear to specifications, using
gear $T3measuring wires, involute checker,$T1 master gears, optical comparator (shadowgraph),
and other special gear inspection equipment. May operate broaching machine to broach internal
splines or gears [BROACHING-MACHINE SET-UP OPERATOR (machine shop)
605.382-010]. May work on nonmetallic materials. May be required to have experience with
particular gear type, material, or size, type, or trade name of machine.
602.360-010 GRINDER SET-UP OPERATOR, GEAR, TOOL (machine shop) alternate titles: gear-and-spline grinder
Sets up and operates precision gear grinding machine
with special $T3indexing$T1 equipment to grind master and precision gears, usually on custom
basis, analyzing specifications and selecting tooling according to knowledge of gear grinding
procedures: Studies blueprints and machining instructions to determine grinding operations and
to plan sequence of operations. Computes machine indexing ratios and cam dimensions for
specified spacing and contour of gear teeth, using shop mathematics. Selects index plate, cams,
grinding wheel, feed rates, grinding speed, and depth of cut, according to computations, gear
specifications, and knowledge of gear design, metal properties, and abrasives. Positions and
secures index plate, cams, and grinding wheel in machine, using wrenches and measuring
devices. Sets up automatic dressing device to dress wheel to specified profile. Moves controls to
set synchronized rotation speeds and feed rates. Positions and secures workpiece on mandrel
between centers or in chuck, and turns handwheels to position workpiece and wheel, verifying
positions with thickness gauges, dial indicators, and micrometers. Turns valve handle and directs
flow of coolant against wheel and workpiece. Moves controls to index workpiece and feed wheel
to workpiece, adjusting depth of cut in part by sight and feel. Verifies dimensions of ground
workpiece for conformance to specifications, using gear $T3measuring wires and involute
checker.$T1 May grind nonmetallic materials. May be required to have experience with
particular type of gear, precision level, or type or trade name of machine.
602.362-010 GEAR INSPECTOR (machine shop)
Sets up and operates gear inspection equipment to
measure curvature of gear tooth, distance between teeth, concentricity of gear, profile and surface
dimensions, surface finish, and material hardness of production and prototype gears, utilizing
knowledge of gear inspection techniques and procedures: Reads blueprints or specifications to
determine dimensions and tolerances. Mounts master gears on testing machine, attaches
recording instrument leads and styluses to gear, and starts machine to calibrate machine
instruments. Mounts and secures gear on spindle or arbor of machine, sets instrument stylus on
gears, and turns instrument dials to zero. Starts machine and reads instrument dials to determine
dimensions of gear, and compares readings to specifications. Measures profile and surface
dimensions of gear, using optical comparator and micrometer, vernier gauges, and sine blocks.
Measures surface finish, using profilameter. Measures material hardness, using hardness gauge.
Recommends corrections on gear forming machine setup to eliminate defects. Maintains records
of gears tested and measured. May lay out and mark drill holes, keyways, and gear tooth profile
on blanks, using measuring devices and marking tools. May check gear-forming machine setup,
using master gears.
602.362-014 GEAR-SORTING-AND-INSPECTING MACHINE OPERATOR (machine shop) alternate titles: gear-coding machine operator
Sets up and operates gear inspecting and sorting
machines to measure gears for deviations from dimensional specifications and to test mesh of
gears with master (inspection) gears: Positions gear in spindle and moves controls to engage it
with master gear. Rotates gear and observes mating with master gear and listens for sounds
indicating defective gear. Marks gear with ink or attaches tracing stylus to gear to locate and
highlight wear points. Color codes gears to enable other workers to match gears having similar
deviations. May file burrs or highspots on gears. May test mesh and accuracy of finished
transmission gears and be designated Gear Roller (machine shop).
602.380-010 GEAR-CUTTING-MACHINE SET-UP OPERATOR (machine shop) alternate titles: all-around-gear-machine operator; gear cutter; gear-machine operator, general
Sets up and operates two or more types of gear-cutting
and finishing machines, such as gear shapers, hobs, honers and lappers, and generators, to
machine spline or gear teeth on metal blanks according to machining instructions and knowledge
of gear types and gear machining: Reads blueprint or job order to determine gear dimensions and
specifications, fixture and cutter to use, and machine settings. Secures and positions cutters in
toolhead, on spindle, or on arbor, and bolts fixtures on machine. Mounts gears, cams, or
templates, or moves levers to set feed rates and rotation speeds of cutters and workpiece in
relation to each other. Positions and secures workpiece to specified cutting angle on arbor, in
chuck, or in fixture, using wrenches. Starts machine, turns valve handle, and directs flow of
coolant against tool and workpiece. Verifies conformance to specifications, using micrometers,
gear $T3measuring wires,$T1 master gears, and special gear inspection equipment. May set
cutting speeds and depth of stroke and cut for reciprocating cutters. May mount guides to control
twisting motion of spindle for cutting helical gears. May compute gear dimensions and machine
settings, applying knowledge of shop mathematics and gear design. May machine nonmetallic
materials. May be required to have experience with custom or production work, or with
particular material, product, or size, type, or trade name of machine.
602.382-010 GEAR HOBBER SET-UP OPERATOR (machine shop) alternate titles: hobbing-machine operator
Sets up and operates one or more gear $T3hobbing$T1
machines to machine splines or gear teeth on metal blanks according to specifications, machining
instructions, and knowledge of gear hobbing procedures: Reads machining instructions or
blueprints to determine machine settings, fixtures and hobs to use, and gear specifications, such
as dimensions and tolerances. Clamps workpiece in fixture or presses it on arbor and mounts
arbor between centers. Positions and secures specified hob on arbor in relation to workpiece,
using wrenches. Moves levers or mounts gears in machine to set feed rates and rotation speeds of
hob and workpiece following machining instructions. Turns handwheel to feed hob to workpiece
or vice versa, and engages automatic feed. Turns valve handle and directs flow of coolant against
hob and workpiece. Verifies conformance of hobbed gears to specifications, using micrometers,
gear $T3measuring wires,$T1 master gears, and $T3involute checker.$T1 May compute data,
such as gear dimensions and machine settings, applying knowledge of shop mathematics. May
machine plastic or other nonmetallic materials. May be required to have experience with custom
or production work, or with particular material, product, or size, type, or trade name of machine.
602.382-014 GEAR-GENERATOR SET-UP OPERATOR, SPIRAL BEVEL (machine shop) alternate titles: curved-tooth-gear-generator operator; gleason-gear generator; hypoid-gear generator; spiral-gear generator
Sets up and operates one or more spiral-bevel $T3gear
generating$T1 machines to cut and shape spiral or hypoid teeth on metal bevel-gear blanks
according to specifications, machining instructions, and knowledge of gear types and generating
procedures: Reads blueprint or machining instructions to determine gear type, dimensions, and
number of teeth, and machine settings and cutter to be used. Clamps workpiece in fixture or
presses it on arbor, and positions it to cutting angle. Positions and secures cutter on spindle in
relation to workpiece, using wrenches and turning handwheels. Moves levers to set cutter and
workpiece rotation speeds in relation to each other. Mounts gears, cams, or templates in machine
to control $T3indexing$T1 of workpiece and rolling motion of cutter. Starts machine, turns valve
handle, and directs flow of coolant against cutter and workpiece. Verifies conformance of
machined gear to specifications, using micrometers, master gears, and special gear inspection
equipment. May compute data, such as gear dimensions and machine settings, applying
knowledge of shop mathematics. May machine plastics or other nonmetallic materials. May be
required to have experience with custom or production work, or with particular material, product,
or size, type, or trade name of machine.
602.382-018 GEAR-GENERATOR SET-UP OPERATOR, STRAIGHT BEVEL (machine shop) alternate titles: bevel-gear-generator operator; generator operator, straight-bevel gear; straight-tooth-gear-generator operator
Sets up and operates one or more straight-tooth
bevel-gear generating machines to cut and shape straight teeth on metal bevel-gear blanks,
according to machining instructions and knowledge of $T3gear generating$T1 procedures: Reads
blueprint or machining instructions to determine machine settings, fixtures and cutters to use, and
gear type, dimensions, tolerances, and number of teeth to be generated. Mounts workpiece on
arbor and positions it to cutting angle. Positions and clamps two cutters in toolheads, and
positions cutter cradle to specified angle, using wrenches. Mounts gears and cams in machine to
control rotation speed and $T3indexing$T1 of workpiece, cutting speed, and rolling motion of
cutter cradle. Starts machine, turns valve handle, and directs flow of coolant against reciprocating
cutters and workpiece. Verifies conformance of machined gear to specifications, using
micrometers, master gears, and special gear inspection equipment. May compute such data as
gear dimensions and machine settings, applying knowledge of shop mathematics. May machine
plastics or other nonmetallic materials. May be required to have experience with custom or
production work, or with particular material, product, or size, type, or trade name of machine.
602.382-022 GEAR-MILLING-MACHINE SET-UP OPERATOR (machine shop) alternate titles: milling-machine operator, gear
Sets up and operates one or more gear milling machines
to machine splines or gear teeth on metal blanks, according to machining instructions and
knowledge of gear milling procedures: Reads blueprints or machining instructions to determine
machine settings, fixtures and milling tools to use, and gear specifications, such as dimensions
and tolerances. Clamps workpiece in fixture or presses it onto arbor. Positions and secures cutter
on spindle in relation to workpiece, using wrenches. Moves levers or mounts gears in machine to
set feed rates and rotation speeds of cutter and workpiece in relation to each other. Starts
machine, turns valve handle, and directs flow of coolant against cutter and workpiece. Verifies
conformance of machined gears to specifications, using micrometers, gear $T3measuring
wires,$T1 and special gear inspection equipment. May compute data, such as gear dimensions
and machine settings, applying knowledge of shop mathematics. May machine plastics or other
nonmetallic materials. May be required to have experience with custom or production work, or
with particular material, product, or size, type, or trade name of machine.
602.382-026 GEAR-SHAPER SET-UP OPERATOR (machine shop)
Sets up and operates one or more gear shaping machines
to machine splines or gear teeth in metal blanks, according to machining instructions and
knowledge of gear types and gear shaping procedures: Reads machining instructions or
blueprints to determine machine settings, holding fixtures and cutters to use, and gear type,
dimensions, tolerances, and number of teeth to be cut and shaped. Clamps workpiece in fixture or
presses it on arbor. Positions and secures specified cutter on spindle in relation to workpiece and
sets length of stroke, using wrenches. Moves levers or mounts gears in machine to set feed rates,
cutting speeds, and rotation speeds of cutter and workpiece, according to machining instructions.
Turns valve handle and directs flow of coolant against cutter and workpiece. Verifies
conformance of machined gears to specifications, using micrometers, master gears, gear
$T3measuring wires,$T1 and special gear inspection equipment. May mount guides to control
twisting motion of spindle for cutting helical gears. May compute data, such as gear dimensions
and machine settings, applying knowledge of shop mathematics. May machine plastics or other
nonmetallic materials. May be required to have experience with custom or production work or
with particular material, product, or size, type, or trade name of machine.
602.382-030 GEAR-SHAVER SET-UP OPERATOR (machine shop)
Sets up and operates one or more gear-shaving machines
that utilize gashed, gear-shaped cutting tools to shape and smooth gear teeth or to correct
distortions remaining from roughing (gear-cutting) operation, following machining instructions
and knowledge of gear-shaving methods: Reads blueprints or machining instructions to
determine machine settings, fixtures and cutterheads to use, and gear dimensions and tolerances.
Presses gear on arbor and mounts it between centers, using handtools. Mounts cutter on
cutterhead. Moves controls to set feed rates, cutting speeds, reciprocating action, and angles of
cutter and gear. Turns handwheel to feed gear to cutter. Verifies conformance to specifications,
using micrometers, $T3measuring wires,$T1 and $T3involute checker.$T1 May compute gear
dimensions and machine settings, applying knowledge of shop mathematics and gear formulas.
May work on nonmetallic gears. May be required to have experience with custom or production
work, or with particular material, kind of gear, or machine of particular type or trade name.
602.382-034 GRINDER, GEAR (machine shop) alternate titles: gear-grinding-machine operator; gear-tooth-grinding-machine operator
Sets up and operates one or more gear grinding machines
to grind surfaces of splines or gear teeth, following machining instructions and applying
knowledge of gear grinding techniques: Reads blueprint or machining instructions to determine
fixtures and grinding wheel to use, machine settings, and gear dimensions and tolerances.
Clamps workpiece in chuck or fixture, or presses it on arbor and mounts between centers.
Positions and secures wheel on arbor in relation to workpiece, using wrenches. Moves levers or
mounts gears in machine to set feed rates and rotation speeds of wheel and workpiece in relation
to each other. Turns handwheels to feed wheel to workpiece or vice versa, and to index
workpiece, and engages automatic feeding and $T3indexing$T1 device. Turns valve and directs
flow of coolant against wheel and workpiece. Sets up and operates wheel dressing device to dress
and true abrasive wheel. Verifies conformance to specifications, using micrometers, gear
$T3measuring wires, and involute checker.$T1 May compute data, such as gear dimensions and
machine settings, applying knowledge of shop mathematics. May work on nonmetallic materials.
May be required to have experience with custom or production work or with particular material,
gear type, or size, type, or trade name of machine.
602.482-010 GEAR-LAPPING-MACHINE OPERATOR (machine shop) alternate titles: gear finisher; gear nicker; gear-tooth-lapping-machine operator
Sets up and operates gear-lapping machine to lap gears
according to specifications, machining instructions, standard charts, and knowledge of gear
$T3lapping$T1 procedures: Reads blueprint or instructions to determine gear dimensions,
tolerances, and number of gears to be lapped, and machining instructions for lapping speeds and
pressures, work-holding fixtures, and spindle angles to be used. Positions and secures pairs or
trains of gears on spindles, using fixture and wrenches. Moves controls to set spindle angles,
lapping speeds, tool pressure, and length of cycle. Brushes or sprays $T3lapping compound$T1
on gears. Starts machine, examines gear contact area, and moves handwheels to adjust action of
gears. Inspects lapped gears for conformance to specifications, using knowledge of gear design
and surface finishing. May inspect finish and mechanical action of gears with gear inspection
equipment. May be required to have experience with particular type of gear or machine. May lap
gears against each other metal-to-metal without lapping compound and be designated Gear
Burnisher (machine shop).
602.685-010 GEAR-CUTTING-MACHINE OPERATOR, PRODUCTION (machine shop) alternate titles: hob mill operator; production-gear cutter
Tends one or more previously set up gear-cutting
machines, such as gear shapers, hobbers, finishers, and generators, to machine spline or gear
teeth on metal blanks: Positions and secures workpiece on arbor, or in chuck, fixture, or
automatic feeding mechanism. Starts machine and flow of coolant and observes operation.
Adjusts machine stops and changes worn cutter, using wrenches. Verifies conformance to
specifications, using fixed gauges, micrometers, and preset dial indicators. May machine plastics
or other nonmetallic materials. May be required to have experience with particular material,
product, or size, type, or trade name of machine.
603 ABRADING OCCUPATIONS
This group includes occupations concerned with smoothing, polishing, sharpening, or cutting through or into metal objects by the wearing away action of abrasives. The smoothing, polishing, sharpening, or shaping of nonmetallic materials, except wood, are also included when the methods and machine tools commonly applied to the machining of metal are used.
603.130-010 SUPERVISOR, GRINDING (any industry)
Supervises and coordinates activities of workers engaged
in grinding metal objects to specifications, applying knowledge of metal properties, abrasives,
and grinding procedures. May set up machines. May train new workers. Performs duties
described under SUPERVISOR (any industry) Master Title.
603.137-010 FILING-AND-POLISHING SUPERVISOR (ordnance)
Supervises and coordinates activities of workers engaged
in filing, burring, tumbling, sandblasting, and polishing small arms, such as rifles and machine
guns. Performs duties as described under SUPERVISOR (any industry) Master Title.
603.260-010 GRINDER SET-UP OPERATOR, THREAD TOOL (machine shop) alternate titles: precision-thread-grinder operator; thread-grinder, tool
Sets up and operates thread-grinding machine to grind
internal or external threads on metal objects, such as worm gears and leadscrews, on custom
basis, analyzing specifications and selecting tooling according to knowledge of thread grinding
procedures: Studies blueprint to visualize grinding to be done and plans sequence of operations.
Selects and computes machine settings, such as positioning angles, rotation speeds, feed rates,
and gear ratios, using knowledge of shop mathematics. Selects grinding wheel, gears, and cams,
using knowledge of thread types, metal properties, and abrasives, and installs them, using
wrenches. Positions and secures workpiece between centers or in chuck jaws. Sets trip stops
along calibrated rack to limit workpiece travel and activate wheel withdrawal. Adjusts device to
dress wheel to computed angles, and to set for automatic dressing during operation. Moves
controls to adjust, start, and control operation of machine. Verifies conformance of ground
workpieces to specifications, using such measuring devices as thread $T3measuring wires,$T1
dial indicator, gauge blocks, and optical comparator (shadowgraph). May be required to have
experience with particular type of thread, kind of computation, or level of precision, or with
machine of particular type or trade name.
603.280-010 GRINDER OPERATOR, EXTERNAL, TOOL (machine shop) alternate titles: cylindrical grinder, tool; external-cylindrical-grinder operator; external grinder, tool; grinder, hand; outer-diameter grinder, tool; precision grinder, external
Sets up and operates external grinding machines to grind
external cylindrical and tapered surfaces of rotating metal workpieces, such as tool, die, and
machine parts, usually for limited runs, analyzing blueprints and specifications and selecting
tooling according to knowledge of external grinding procedures: Studies blueprint or layout on
workpiece to visualize grinding to be done and plans sequence of operations. Selects grinding
wheel, according to knowledge of metal properties and abrasives, and mounts wheel on spindle.
Dresses wheel manually or with preset dressing device. Moves controls and reads dials to set
angle of workpiece to grinding wheel. Positions and secures workpiece between centers, on
magnetic chuck, or in chuck jaws, using wrenches. Selects and sets grinding wheel speed, work
surface speed, and travel rate of powered table. Positions and tightens stops to set depth of
grinding wheel cut and stroke of worktable. Moves controls to feed wheel to workpiece manually
or automatically. Turns valve handle and directs flow of coolant against wheel and workpiece.
Verifies dimensions of ground workpiece for conformance to specifications, using such
measuring instruments as micrometers, dial indicators, and gauge blocks. May dress grinding
wheel to specified profile for contour grinding, using special fixtures and tools. May grind
nonmetallic materials. May operate tracer attachment to duplicate contours from templates or
models. May be required to have experience with particular material, product, or precision level,
or with machine of particular size, type, or trade name. May set up machines for other workers.
May be designated according to type of machine operated as Roll Grinder Operator (machine
shop).
603.280-014 GRINDER OPERATOR, SURFACE, TOOL (machine shop) alternate titles: grinder, hand; precision grinder, surface; rotary-surface grinder; surface grinder; surface-grinding-machine hand
Sets up and operates surface grinding machines with
horizontal or vertical spindle and reciprocating or rotating table to grind flat or contoured
surfaces of metal workpieces, such as tool, die, and machine parts, usually for limited runs,
analyzing specifications and selecting tooling according to knowledge of surface grinding
procedures: Studies blueprint or layout on workpiece to visualize grinding to be done and plans
sequence of operations. Positions and secures workpiece on magnetic chuck, in holding fixture,
or directly to machine table. Selects grinding wheel, grinding speeds, and feed rates for each
operation according to knowledge of metal properties and abrasives, and mounts wheel on
spindle. Moves device to dress wheel. Moves controls and reads dials to set rotation speeds and
feed rates. Positions and tightens stops to limit table travel. Moves controls to feed workpiece to
wheel or vice versa. Turns valve handle and directs flow of coolant against wheel and workpiece.
Verifies dimensions of ground workpiece for conformance to specifications, using such
measuring instruments as micrometers, comparators, dial indicators, gauge blocks, and load test
equipment. May dress grinding wheel to specified profile for contour grinding, using special
fixtures and tools. May grind nonmetallic materials, such as plastics. May operate tracer
attachment to duplicate contours from templates or models. May be required to have experience
with particular material, product, or precision level, or with machine of particular size, type, or
trade name.
603.280-018 GRINDER OPERATOR, TOOL (machine shop) alternate titles: precision grinder
Sets up and operates variety of grinding machines, such
as external, internal, and surface grinders, to grind metal workpieces, such as machine parts, dies,
or tools, according to knowledge of grinding procedures: Studies blueprint or layout on
workpiece to visualize grinding to be done, and plans sequence of operations. Selects grinding
wheel, applying knowledge of abrasives and metal properties, and secures it on spindle, using
wrench. Dresses wheel with dressing device. Lifts workpiece manually or with hoist, and
positions and secures workpiece to holding device, using wrenches and clamps. Selects feed
rates, grinding speeds, depth of cuts, and grinding wheel of size, shape, and grade for each
operation, applying knowledge of metal properties, abrasives, product specifications, and shop
mathematics. Positions and tightens stops to limit travel of workpieces or grinding wheel. Moves
controls to position wheel and workpiece in relation to each other, and to set feed, speed, and
depth of cut. Starts machine, turns handwheel to feed grinding wheel to workpiece or vice versa,
and engages power feeding device. Turns valve handle and directs flow of coolant against wheel
and workpiece. Observes operation and adjusts position and action of wheel and workpiece.
Verifies dimensions of ground workpieces for conformance to specifications, using measuring
instruments, such as templates, micrometers, dial indicators, and gauge blocks. Works to
tolerances of plus or minus 0.0001 inch. May measure, mark, and scribe workpiece to lay it out
for grinding [LAY-OUT WORKER (machine shop) 600.281-018]. May dress grinding wheels to
complex profiles, using special fixtures and tools. May grind nonmetallic materials, such as
plastics. May operate tracer attachment to duplicate contours from templates or models. May be
required to have specialized experience with particular materials, product, or precision level or
with machine of particular size, type, or trade name.
603.280-022 GRINDER SET-UP OPERATOR, INTERNAL (machine shop) alternate titles: grinder, hand; inner-diameter grinder, tool; internal grinder, tool; internal-grinding-machine hand; internal-grinding-machine operator; precision grinder
Sets up and operates internal grinding machines to grind
internal cylindrical and tapered surfaces of rotating metal workpieces, such as tool, die, and
machine parts, usually for limited runs, analyzing blueprints and specifications and selecting
tooling according to knowledge of internal grinding procedures: Studies blueprint or layout on
workpiece to visualize grinding to be done and plans sequence of operations. Selects grinding
wheel, according to knowledge of metal properties and abrasives, and mounts wheel on spindle.
Moves controls and reads dial to set angle of workpiece to grinding wheel, following product
specifications. Dresses wheel manually or with preset device. Positions and secures workpiece on
faceplate, magnetic chuck, or in chuck jaws, using wrenches. Selects and sets grinding wheel
speed, work surface speed, and workpiece table travel rate, according to knowledge of metal
properties and abrasives. Positions and tightens stops to set depth of grinding wheel cut and
stroke of workpiece table. Moves controls to feed wheel to workpiece manually and
automatically. Turns valve handle and directs flow of coolant against wheel and workpiece.
Verifies dimensions of ground workpiece for conformance to specifications, using such
measuring instruments as micrometers, dial indicators, and gauge blocks. May dress grinding
wheel to specified profile for contour grinding, using special fixtures and tools. May grind
nonmetallic materials, such as plastics. May operate tracer attachment to duplicate contours from
templates or models. May be required to have experience with particular material, product, or
precision level, or with machine of particular type or trade name.
603.280-026 GRINDER SET-UP OPERATOR, JIG (machine shop) alternate titles: jig grinder; jig-grinding-machine operator; precision jig grinder
Sets up and operates jig grinding machine to locate and
precision-grind holes and contours in metal objects, such as tool, die, and machine parts, on
custom basis, analyzing blueprints and specifications and selecting tooling according to
knowledge of jig grinding procedures: Studies blueprint, layout on workpiece, or written or oral
specifications to visualize grinding to be done and plans sequence of operations. Computes and
sketches hole and contour dimensions and locations in relation to base reference points and lines.
Positions and secures workpiece on machine table, and turns handwheels to move table and
workpiece to computed position under spindle center, verifying each step with dial indicator.
Selects grinding wheel, grinding speeds, and feed rates for each operation according to
knowledge of metal properties and abrasives, and mounts wheel on spindle. Moves controls and
reads dials to set grinding speed, feed rate, spindle angle for taper grinding, diameter of
$T3planetary action,$T1 and limits of automatic reciprocating wheel feed. Dresses wheel
manually or with preset dressing device. Moves controls to feed wheel into hole and against
surface of workpiece. Verifies hole locations and dimensions for conformance to specifications,
using measuring instruments, such as dial indicator, gauge blocks, and $T3telescoping
gauges.$T1 May be required to have experience with particular material, product, precision level,
or with machine of particular type or trade name.
603.280-030 GRINDER SET-UP OPERATOR, UNIVERSAL (machine shop) alternate titles: precision grinder, universal; universal grinder, tool
Sets up and operates combination external- and internal-
(universal) grinding machine to grind external and internal cylindrical and tapered surface of
rotating workpieces, such as tool, die, and machine parts, usually for limited runs, analyzing
blueprints and specifications and selecting tooling according to knowledge of external and
internal grinding procedures: Studies blueprint or layout on workpiece to visualize grinding to be
done and plans sequence of operations. Selects grinding wheel, according to knowledge of metal
properties and abrasives, and mounts wheel on spindle. Dresses wheel manually or with preset
dressing device. Moves controls and reads dials to set rotation speeds and feed rates. Positions
and tightens stops or cams to limit travel of workpiece or wheel. Moves controls to feed grinding
wheel to workpiece or vice versa manually or automatically. Turns valve handle and directs flow
of coolant against wheel and workpiece. Verifies dimensions of ground workpiece, using such
measuring instruments as micrometers, dial indicators, gauge blocks, and optical comparator.
May dress grinding wheel to specified profile, using special fixtures and tools. May grind
nonmetallic materials, such as plastics. May operate tracer attachment to duplicate contours from
templates or models. May be required to have experience with particular material, product, or
precision level, or with machine of particular type or trade name.
603.280-034 JOB SETTER, HONING (machine shop)
Sets up horizontal or vertical honing machines for
HONING-MACHINE OPERATORS, PRODUCTION (machine shop) engaged in production
honing of metal objects: Reads blueprint to select tooling and plans sequence of operations.
Selects and secures tool in spindle, using wrenches. Positions workpiece in fixture or on machine
table, securing it with clamps and wrenches, and verifies positions with instruments, such as
surface gauges and dial indicators. Selects feed rate, honing tool rotation speed, and depth of cut,
according to knowledge of metal properties and abrasives. Moves controls to position tool in
relation to workpiece and to set feed rate and spindle speed. Positions and tightens stops, using
wrench, to control length of honing tool stroke. Starts machine and turns handwheels to feed tool
to workpiece. Measures first-run workpiece for conformance to specifications, using micrometers
and fixed gauges. May instruct new workers in machine operation.
603.280-038 TOOL-GRINDER OPERATOR (machine shop) alternate titles: cutter grinder; cutter-grinder operator; grinder operator; tool dresser; tool grinder; tool-grinding-machine operator; tool sharpener
Sets up and operates grinding machines, such as surface
and universal, carbide, drill, and tool-and-cutter grinders, to sharpen cutting tools to
specifications, using blueprints, job orders, and knowledge of abrasives and metal properties:
Reviews blueprints and job orders to plan production sequence. Selects grinding wheel of shape
and grade and attaches to spindle, using wrenches. Positions and secures cutting tool on machine
table, using magnetic chuck or holding fixture, or mounts tool on arbor and clamps between
centers. Turns handwheels to position table or spindle to obtain specified taper and bevel on
edges of cutting tools. Moves controls to set cutting tool rotation speed, feed rate, and grinding
wheel rotation speed. Starts machine and turns wheel or engages feed to move workpiece to
grinding wheel. Measures sharpened cutting tools to verify conformance to specifications, using
fixed gauges, micrometers, calipers, optical comparators, and surface gauges. Dresses abrasive
wheel to change cutting action or shape. May grind special $T3form tools,$T1 involving special
setups and wheel dressing. May analyze specifications and select tooling to be used on
production jobs. May design, modify, or make special tools according to specifications or tooling
requirements. May braze or solder carbide tips to cutting tools. May be required to have
specialized experience with particular type of cutting tool sharpened or machine operated and be
designated Broach Grinder (machine shop); Drill Sharpener (machine shop); Hob Grinder
(machine shop).
603.360-010 BUFFING-LINE SET-UP WORKER (any industry)
Sets up buffing line to buff metal parts, such as
automobile trim or hardware, to specified finish, following work order and using knowledge of
metals, abrasives, and finishing techniques: Reads work order to determine part to be buffed.
Selects holding fixtures and bolts them to drive mechanism. Selects buffs and positions and
attaches them to spindles, using knowledge of buffing operations to determine type of buffs,
angle of contact, and pressure against workpiece. Sets timers to control speed of
$T3indexing,$T1 according to size and material of workpiece and to control application of
lubricant and abrasive. Examines finish of first piece through buffing line for conformance to
specifications. Adjusts setup to achieve specified finish. May change speed of buffing wheels by
varying ratio of drive pulleys.
603.380-010 GRINDER MACHINE SETTER (machine shop)
Sets up metal-grinding machines, such as external,
internal, surface, and centerless grinders, for GRINDER OPERATORS, PRODUCTION
(machine shop) 603.685-062, according to specifications, tooling instructions, standard charts,
and knowledge of grinding procedures, and operates machine to grind first-run workpiece: Reads
from blueprint and job order product specifications for dimensions, tolerances, and number of
parts to be ground and tooling instructions, such as speeds, feed rates, holding fixtures, and
grinding wheels to be used. Mounts grinding wheels on spindles with wrenches. Dresses wheels
to specifications, using dressing devices. Moves controls to set specified grinding speeds, feed
rates, and angle of grinding wheel to workpiece or vice versa. Positions and tightens cams to
control depth of cut and length of stroke. Lifts and positions workpieces manually or with hoist,
and secures them on machine tables, faceplates, or magnetic chucks, in chuck jaws, or between
centers, using wrenches and clamps. Starts machine, moves controls to adjust machine settings,
and observes operation. Verifies first-run products for conformance to specifications, using such
measuring instruments as micrometers, calipers, and preset gauges. May feed machine by hand.
May direct flow of coolant over cutting area. May measure workpiece prior to grinding to
determine amount of material to be removed. May be required to have experience with particular
material, product, or precision level, or machine of particular size, type, or trade name.
603.382-010 BUFFING-MACHINE OPERATOR (any industry)
Sets up and operates semiautomatic buffing machine to
buff parts, such as automobile trim or hardware to specified finish: Reads work order to
determine parts to be buffed and setup procedure. Selects holding fixture and bolts it to feed arm.
Slides spacers between buffs on spindle to set spacing. Measures and sets angle of feed arm to
control position of workpiece against buff, according to specifications or using knowledge of
machine operation. Sets length of traverse and stroke of feed arm by adjusting air cylinder and
setting stops. Starts buff revolving and clamps workpiece in fixture. Presses button to feed
workpiece against buff. Removes buffed part from fixture and examines it to ensure that surface
coloration meets specifications. Adjusts angle, feed, or traverse of machine to achieve specified
finish.
603.382-014 GRINDER SET-UP OPERATOR, CENTERLESS (machine shop) alternate titles: centerless-grinding-machine operator
Sets up and operates one or more centerless grinding
machines to grind external or internal cylindrical or tapered surfaces of metal workpieces to
blueprint specifications, following tooling instructions and standard charts and applying
knowledge of grinding procedures: Reads blueprint and job order for product specifications, such
as dimensions, tolerances, and number of parts to be ground, and tooling instructions, such as
grinding speeds, feed rates, holding fixtures, and grinding wheels to be used. Mounts grinding
wheel and regulating wheel on spindles with wrenches. Dresses wheels to specifications, using
dressing device. Moves controls to set specified grinding speeds, feed rates, and spacing between
wheel faces. Positions and secures work rest at specified height, using wrenches. Lifts and
positions workpiece manually or with hoist, and secures it between wheels and on work rest.
Starts machine and observes operation. Verifies dimensions of ground workpiece for
conformance to specifications, using measuring instruments, such as micrometers, calipers, and
preset gauges. Changes worn grinding wheels, using wrenches. May set up automatic
work-feeding device. May grind nonmetallic materials. May be required to have experience with
custom or production work or with particular material, product, or precision level, or with
machine of particular size, type, or trade name.
603.382-018 HONING-MACHINE SET-UP OPERATOR (machine shop) alternate titles: hone operator; honing-machine operator
Sets up and operates one or more vertical or horizontal
honing machines to hone internal or external surfaces of objects, such as cylinders, bearings, and
connecting rods to specifications, following tooling instructions, standard charts, and honing
procedures: Reads blueprint and job order for product specifications, such as dimensions,
tolerances, and number of parts to be honed, speeds, feed rates, work-holding fixtures, and
honing tools to be used. Positions and secures fixtures on machine table, using squares, steel
rules, micrometers, and wrenches. Lifts workpiece manually or with hoist and positions and
secures fixture with clamps and wrenches. Inserts and tightens specified tool in spindle. Moves
controls to set tool-feed rate and spindle speed. Sets stops with wrench to control length of stroke
and depth of cut. Starts machine and turns handwheels or engages automatic mechanism to feed
and oscillate tool along workpiece surface. Turns valve handle to direct flow of coolant against
tool and workpiece. Measures honed workpiece for conformance to specifications, using
measuring instruments, such as preset gauges, micrometers, calipers, and comparators. May be
required to have experience with custom or production work, or with particular material or
product, or with machine of particular size, type, or trade name, and be designated accordingly.
603.382-022 HONING-MACHINE SET-UP OPERATOR, TOOL (machine shop) alternate titles: honing-machine operator, tool;job honer; precision-honing-machine operator
Sets up and operates vertical or horizontal honing
machine to hone internal or external surfaces of metal objects, such as prototype cylinders,
bearings, or connecting rods, usually on custom basis, analyzing specifications and selecting
tooling according to knowledge of honing procedures: Studies blueprint to visualize honing to be
done and plans sequence of operations. Positions workpiece in fixture or on machine table, and
secures it with clamps and wrenches, verifying positions with instruments, such as surface
gauges and dial indicators. Selects feed rate, honing speed, depth of cut, and honing tool for each
operation, according to knowledge of metal properties, abrasives, and shop mathematics.
Positions and secures tool in spindle. Moves controls to position tool in relation to workpiece and
to set feed rate and spindle speed. Turns nut on tool or sets automatic mechanism to expand tool
to selected diameter. Positions and tightens stops with wrench to control length of stroke. Starts
machine and turns handwheels to feed tool to workpiece. Engages automatic mechanism to feed
tool along workpiece with oscillating action. Turns valve handle and directs flow of coolant
against tool and workpiece. Measures honed workpiece for conformance to specifications, using
electromechanical limit gauges, surface gauges, micrometers, and $T3telescoping gauges.$T1
May use special optical inspection equipment. May replace worn honing stones. May be required
to have experience with particular material or product or with machine of particular size, type, or
trade name and be designated accordingly.
603.382-026 LAPPING-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates $T3lapping$T1 machines to lap
surfaces of flat, cylindrical, or spherical objects or of adjacent mechanical parts to specified
finish or dimensions, following specifications, tooling instructions, and standard charts, applying
knowledge of lapping procedures: Reads blueprint or job order for product specifications, such as
dimensions, tolerances, and number of parts to be lapped, tooling instructions, such as lapping
speeds and pressures, work-holding fixtures, and laps to be used. Mounts laps on spindles with
wrenches. Positions and secures workpieces in fixture or on machine table. Moves controls to set
lapping speeds, tool pressure, and length of cycle and to guide action of laps against workpieces
or workpieces against each other. Starts machine and brushes or sprays $T3lapping
compound$T1 on laps and workpieces. Inspects lapped workpiece for conformance to
specifications, using instruments, such as comparator, flatness gauges, and surface plates. May
be assisted by MACHINE SETTER (machine shop) 600.360-014 in setting up machine. May
operate machine equipped with abrasive wheels instead of metal laps. May be required to have
experience with custom or production work, with particular material or product, or with machine
of particular type or trade name and be designated accordingly.
603.382-030 PRINTING-ROLLER POLISHER (machine shop)
Operates polishing lathe to reduce circumference of
printing rollers to specifications and remove defects, such as turning and polishing lines, high
spots, and scratches: Mounts roller on mandrel of lathe, using hoist. Measures circumference of
roller at several points to locate irregular spots, using girth tape. Examines surface of roller for
defects. Depresses pedal to raise water vat and starts lathe to rotate roller in vat. Polishes roller
by either of following methods: (1) Moves polishing stone back and forth across length of roller,
changing from coarse to finer grades of stone to impart acceptably smooth finish. (2) Mounts flat
stone on spindle of polishing head, starts oscillation of stone, and lowers stone onto surface of
rotating roller. Moves lever to engage gear that moves machine head back and forth over surface
of roller. Changes stones on machine head to impart final polish. Examines polished rollers for
rough spots, pinholes, and scratches. Rubs scratches and rough spots with burnishing tool to
finish roller. Verifies circumference of polished roller, using girth tape. Cleans roller before and
after polishing, using cloth, water, and detergents or cleaning solution.
603.382-034 GRINDER SET-UP OPERATOR (machine shop)
Sets up and operates grinding machines to grind threads
on metal objects, such as screws, bolts, and micrometer spindles, and to grind internal and
external surfaces of metal workpieces to specifications, following tooling instructions, standard
charts, blueprints, and job orders, applying knowledge of grinding procedures: Reads blueprint
and job order for product specifications, such as dimensions, tolerances, and number of parts to
be ground, and tooling instructions, such as grinding speeds, feed rates, holding fixtures, and
grinding wheel to be used. Mounts wheel on spindle, using wrenches. Dresses wheel to
specifications, using dressing device. Sets machine controls to specified grinding speeds, feed
rates, and angle of wheel. Positions and tightens cams and stops to control depth of cut and
length of stroke. Lifts and positions workpiece, manually or using hoist, and secures workpiece
on faceplate or magnetic chuck, in fixture or chuck, or directly to machine table. Starts machine
and activates controls to feed wheel against workpiece or vice versa, or engages automatic
feeding device. Verifies dimensions of finished workpiece for conformance to specifications,
using measuring instruments, such as micrometers, calipers, preset gauges, load test equipment,
thread $T3measuring wires$T1, and thread gauges. Changes worn grinding wheel, using
wrenches. May place workpiece in hopper or fixture of automatic feeding device. May grind
nonmetallic materials. May be required to have experience with custom or production work or
with specific type of machine, material, product, or precision level and be designated Grinder
Set-Up Operator, External (machine shop); Grinder Set-Up Operator, Internal (machine shop);
Grinder Set-Up Operator, Surface (machine shop); Grinder Set-Up Operator, Thread (machine
shop).
603.382-038 KNIFE GRINDER (machine shop) alternate titles: cutter-head sharpener; tool grinder
Sets up and operates grinding machines to shape and
sharpen planer knives and woodworking machine cutters according to specifications: Positions
and secures workpiece or sheet stock, template, and machine accessories onto machine, using
handtools. Turns handwheels to set travel and pressure of cutterhead or knife stock across or
against grinding wheel to shape or sharpen workpiece. Starts machine and observes grinding
operation to verify conformance to specifications. May cut out plastic templates used to fabricate
knives and cutterheads. May hone cutting edge of ground knives, using whetstone and oil. May
cut and grind silicon carbide jointing stones to match pattern of knives. May select and install
grinding wheels on machine, using handtools, applying knowledge of product specifications and
abrasives. May manipulate blade across grinding wheel by hand. May turn valve to control flow
of coolant. May sharpen or shape knives and saw blades, using handtools. May sharpen bits and
boring tool [BIT SHARPENER (any industry) 603.685-026].
603.482-010 DEBURRER, STRIP (clock & watch)
Sets up and operates multiple stage deburring machine to
smooth edges and set (establish) width of mainspring strip: Threads strip from feeding roll
through deburring cutters to winding roll, aligning cutters and adjusting cutters for specified
width. Makes trial run, cuts off piece of deburred strip, examines piece under microscope, and
adjusts cutters to correct deficiencies in operation. Adjusts and sharpens cutters on diamond
wheel, using mechanic's tools. Works to tolerances of 0.0005 inch.
603.482-030 GRINDER I (clock & watch) alternate titles: grinder, watch parts
Operates grinding machine to grind blocked watch parts
to size: Places blocks on magnetic chuck and regulates feed and depth of grinding wheel cut to
grind parts to specified thickness, working to tolerances of 0.0005 to 0.0001 inch. Removes
blocks to measure thickness with upright gauge to ensure conformance to specifications. Dresses
chuck by running grinding wheel across chuck slowly. Laps part for finish after grinding by
putting blocks, parts side down, under pressure pads of $T3lapping$T1 machine, putting oil and
emery on lapping surface, and setting timer for specified time.
603.482-034 HONING-MACHINE OPERATOR, PRODUCTION (machine shop) alternate titles: cylinder honer; honer; honing-machine operator, semiautomatic; production-honing-machine operator
Operates honing machines to hone internal or external
surfaces of metal parts, such as cylinders, bearings, and connecting rods to specifications, usually
on production basis: Obtains such information as dimensions, tolerances, and number of parts in
run from job order and instructions of MACHINE-SHOP SUPERVISOR, PRODUCTION
(machine shop) or JOB SETTER, HONING (machine shop). Lifts workpiece manually or with
hoist and secures it in fixture. Starts machine and turns handwheels or engages automatic
mechanism to feed tool to workpiece. Moves controls to adjust feed rate, spindle speed, length of
stroke, and depth of cut. Measures finished workpiece with instruments, such as calipers, fixed
gauges, and micrometers. Changes worn tools, using wrenches. May read blueprints. May assist
JOB SETTER, HONING (machine shop) to set up machine. May be required to have experience
with particular material, or product, with machine of particular size, type, or trade name, and be
designated accordingly.
603.664-010 TOOL GRINDER II (any industry) alternate titles: tool sharpener
Sharpens and smooths cutting edge of tools, such as axes,
chisels, drills, picks, and straight cutting blades, using abrasive wheel: Presses button to start
abrasive wheel. Positions and holds cutting edge of tool against machine guide and abrasive
wheel to sharpen and smooth tool edge. Immerses tool in oil to cool edge. Repositions and holds
tool edge against guide and abrasive wheel to further sharpen and smooth edge. May heat tools
and immerse them in brine, oil, or water to harden them. May remove burrs from ground edges
of tools, using whetstone. May sharpen and reduce diameter of circular cutting blades. May be
designated according to kind of tool sharpened as Ax Sharpener (any industry); Chisel Grinder
(any industry); Knife And Spur Grinder (saw. & plan.); Knife Grinder (any industry).
603.665-010 BUFFING-MACHINE TENDER (any industry)
Tends automatic buffing machine that buffs parts, such as
automobile hardware or trim: Loads parts on holding fixture of revolving table that is preset for
regular $T3indexing$T1 and starts machine. Removes buffed parts and examines them for
surface defects. Places buffed parts into shallow tray and covers them with cardboard separators.
Informs BUFFER (any industry) I or BUFFING-LINE SET-UP WORKER (any industry) of
buffing defects. May maintain count of buffed parts and parts which do not meet specifications.
603.682-010 BUFFING-MACHINE OPERATOR, SILVERWARE (jewelry-silver.)
Sets up and operates battery of machines that
automatically buff shells for silver-plated hollowware, such as bowls, tea sets, vegetable dishes,
and gravy boats, to remove scratches and pressmarks and impart smooth finish for subsequent
plating: Selects buffing wheel of size and shape to match workpiece and bolts it to stationary
drive shaft. Selects jig to match exterior or interior shape of workpiece and bolts it to chuck on
lathe arbor. Clamps workpiece in jig and turns stop nuts to position assembly against buffing
wheel. Turns knobs of timing device to regulate buffing time according to kind and thickness of
metal and surface area to be buffed. Starts machine and holds stick of compound to wheel to coat
wheel with abrasive. Observes operation and removes workpiece when machine stops at end of
timed cycle.
603.682-018 LINTER-SAW SHARPENER (oils & grease) alternate titles: saw filer; sharpener
Operates machine to sharpen cylinders of circular saws
used in linter machines: Removes saw cylinders from linter machine and mounts cylinder in
feeding head of sharpening machine. Examines saw blades to determine amount of cut necessary
to sharpen them. Turns handwheels to set cutting control to specified depth of cut for saw teeth,
and to adjust space between cutting tools. Starts machine and observes operation.
603.682-022 MIRROR-FINISHING-MACHINE OPERATOR (jewelry-silver.) alternate titles: buffing-machine operator, semiautomatic; polishing-machine operator, semiautomatic
Sets up and operates one or more semiautomatic
machines to buff silver or stainless steel flatware between cloth or felt rolls to impart mirrorlike
finish: Mounts buffing rolls in machine holders, using wrenches. Turns adjustment wheel and
observes pressure dial to set distance between rolls. Turns setscrews and stop nuts to adjust
motion of machine table. Starts rollers, turns valve, and depresses pedal to spray buffing
compound across rolls or pulls bar-mounted stick of compound across them. Squeezes handles to
open jaws of holding fixture and grip ends of workpieces racked in position on racking table.
Inserts and locks fixture in sleeves of machine table, with blades, tines, bowls, or handles of
workpieces inserted between buffing rolls. Starts machine that closes rolls on workpieces, rocks
machine bed up and down and side to side to ensure complete buffing, separates rolls, and
retracts machine bed after completion of preset time cycle. Inspects luster of workpieces and
adjusts pressure of rolls or changes rolls to buff flatware to desired finish. May position
workpieces in racks on racking table. May dump buffed flatware from racks onto conveyor for
inspection. May dip ends of workpieces in buffing paste.
603.682-026 POLISHING-MACHINE OPERATOR (any industry)
Sets up and operates belt sanding machine to polish flat
metal surfaces, such as small arms parts and metal strips: Pushes button to lower drive wheel and
installs abrasive belt of specified grit, using wrenches. Places metal part on conveyor belt and
turns knobs to raise conveyor and bring workpiece into contact with polishing belt. Turns valves
to regulate flow of coolant onto polishing belt and starts machine. Examines first run part to
determine conformance of finish to specifications and adjusts height of conveyor as indicated to
achieve specified finish. Replaces worn polishing belts, fills coolant tank, and cleans collection
tank, using handtools, to maintain machine in operating condition.
603.682-030 DRILL-BIT SHARPENER (electron. comp.) alternate titles: drill sharpener
Sets up and operates drill-sharpening machine
(sharpener) to sharpen drill bits used in numerically controlled drill for fabricating printed circuit
boards (PCB's): Reads work order to determine number and size of drill bits to be sharpened.
Inserts drill bits into cleaning machine, point-side down, that automatically starts brushes
rotating to clean and remove debris from dull bits. Removes drill bit from cleaning machine and
measures bit to verify specified size, using micrometer. Selects corresponding size bushing (brass
sleeve) and mounts bushing into chuck of sharpener, using handtools. Inserts drill bit in chuck of
sharpener and activates table that moves chuck and bit assembly through rotating abrading
wheels to sharpen both sides of drill bit. Flips switch to release chuck and drill bit and removes
bit. Observes sharpened bits under optical microscope to detect defects, such as chips or breaks.
Discards defective drill bits. Places sharpened drill bits in box, point-end up. May clean
sharpener.
603.685-010 BAND-REAMER-MACHINE OPERATOR (nonfer. metal)
Tends pneumatic reaming machine that removes burrs
from inner surface of copper bands: Selects reaming fixture (steel spring having cutting edge
around outer surface of each coil) of desired size, and secures it in place. Fastens metal trough in
place and aligns copper bands in trough. Opens compressed air line and starts machine that
pushes reaming fixture through bands. Removes bands by sliding hooked metal bar through
reamed holes.
603.685-014 BARREL POLISHER, INSIDE (ordnance) alternate titles: inside polisher
Tends single-spindle, horizontal machine that smooths
and polishes shotgun barrel bores: Clamps barrel in holding fixture and secures polishing rod in
machine headstock. Wraps emery cloth on rod tip to form polishing tool. Starts machine and
turns wheel to feed rotating polishing rod through barrel. Varies rate of feed according to
resistance sensed through wheel. Pushes tow-tipped cleaning rod through polished barrel and
sights through bore to inspect finish for defects.
603.685-022 BEVEL POLISHER (clock & watch)
Tends single-or-multiple-holder polishing machines that
polish beveled edges on rachet and winding wheels or endstone caps: Mounts wheels on rubber
heads or endstone caps over pins protruding from holder face. Applies compounds to product or
polishing laps. Positions lap over product or vice versa. Starts machine and sets timer for
specified polishing period. Loads next set of holders. Inspects products for conformance to
specifications. Imparts finish to wheels with cast-iron lap and polishes finish with lead-tin lap.
603.685-026 BIT SHARPENER (any industry) alternate titles: bit grinder
Sharpens boring tools, such as bits and router cutters,
using oilstone, and $T3bench grinder$T1 with tool-holding adapters: Inserts bit into collet of tool
adapter, and turns handwheels to adjust relative angle of bit axis and grinding wheel surface,
according to specifications. Starts bench grinder, and turns handwheels to move bit against
grinding wheel, and turns bit to sharpen each cutting edge. Rubs bit on oilstone by hand to
smooth edges and complete sharpening. May file auger spurs to sharpen them. May sharpen
cutlery and small shop tools.
603.685-030 BIT-SHARPENER OPERATOR (mine & quarry) alternate titles: bit grinder
Tends bit-sharpening machine to shape and sharpen
detachable bits of mining equipment: Inserts bits into clamps of power-driven revolving drum
and fastens them in place, using wrench. Turns handwheel to move bit against grinding wheels
and to turn bit to sharpen cutting and reduce it to gauge size. Lubricates sharpening machine and
changes worn grinding wheels, using handtools.
603.685-034 BOTTOM POLISHER (elec. equip.)
Tends machine, equipped with power-driven wire brush,
that polishes bottoms of metal dry cell battery containers (cans): Dumps box of cans into tray on
bed of machine. Presses cans into tray to level bottoms. Start rapidly rotating brush. Grasps
handle on tray and slides tray back and forth to bring bottoms into contact with brush. Inspects
can bottoms to ensure cleanliness. Withdraws tray and inverts it over box to dump cans.
603.685-038 BRUSH POLISHER (clock & watch)
Tends machine that bevels watch screwheads or polishes
cap jewel plates: Secures watch part, shellacked onto surface of metal blocks, in holding fixture
and starts machine that presses block of parts against rotating brush to bevel edges of slot or
outside diameter of screwheads. Spreads abrasive mixture over brush and sets automatic timer to
polish plates for specified period.
603.685-042 BURNISHER (clock & watch)
Tends machine that grinds center-pinion pivots,
shoulders, and similar watch parts to specifications: Inserts pivots into chuck or collet of
machine, using fingers or tweezers, and starts machine. Removes product when machine stops
and measures part for conformance to specifications, using gauge. May clean and oil machine
and change machine belts as needed.
603.685-046 BURRER, MACHINE (clock & watch) alternate titles: burring-machine operator
Tends machine that removes burrs from watch pinions
and similar timing-device parts: Inserts part in deburring-machine chuck or collet and adjusts
levers or depresses pedals to feed part against tool that grinds burrs. Examines parts to ensure
removal of burrs.
603.685-050 DEBURRER (button & notion) alternate titles: wire-brushing-machine operator
Tends battery of automatic deburring machines that
remove rough edges from metal slide-fastener links attached to tape: Positions carton of stringer
(one side of fastener chain) behind machine and threads end through guides, tension bars, and
under wire brushes to pickup drum. Starts machine and observes passage of stringer through
rotating brushes onto receiving drum. Examines brushed stringer to verify smoothness of surface.
Notifies supervisor of machine malfunctioning.
603.685-054 FLAT POLISHER (clock & watch) alternate titles: lap polisher
Tends machine that rough and finish polishes flat watch
parts in successive operations: Applies polishing agent to $T3lap I$T1 surface. Positions blocked
parts face down on lap under tripod holder, turns on air pressure which forces tripod against
blocks, and adjusts machine to polish specified time. When machine automatically stops,
removes blocks, cleans polished surfaces with tissue and cleansing agent, and inspects parts for
scratches and blemishes. Verifies thickness of parts with micrometer, and reruns substandard
parts. Refaces surface of lap on automatic turning machine.
603.685-058 GRINDER OPERATOR, AUTOMATIC (cutlery-hrdwr.) alternate titles: grinder-and-honer operator, automatic
Tends machine that grinds and hones blades and blade
edges of articles, such as razors, knives, and garden tools: Loads blades in machine hopper or
positions blades in holding fixture. Starts machine that automatically feeds blades to abrasive
wheel or belt. Verifies dimensions of blades and keenness of blade edges, using fixed gauges.
603.685-062 GRINDING MACHINE TENDER (machine shop) alternate titles: production grinder
Tends grinding machines that grind internal and external
surfaces of metal workpieces to specifications: Starts machine, places workpiece in holding
fixture or hopper, and engages automatic feeding device. Observes machine operation, and
removes and inspects finished workpiece to verify conformance to specifications, using
measuring instruments, such as preset gauges, calipers, micrometers, and load test equipment.
Replaces worn grinding wheel, using handtools. Dresses wheel, using preset dressing device.
May move controls to adjust depth of wheel cut, angle between workpiece and grinding wheel,
wheel rotation speed, and feed rate. May grind nonmetallic workpieces. May prepare production
records. May be designated Centerless-Grinder Tender (machine shop); Double-Spindle-Disk
Grinder Tender, Spring End (metal prod., nec); External-Grinder Tender (machine shop);
Internal-Grinder Tender (machine shop); Knife Glazer (jewelry-silver.); Surface-Grinder Tender
(machine shop).
603.685-066 GRINDER, LAP (clock & watch)
Tends $T3lapping$T1 machine that grinds flat watch
parts to specified thickness: Secures parts, shellacked onto surface of metal blocks, to holding
fixture that rotates blocks on surface of revolving wheel. Spreads oil and abrasive powder over
wheel, and adjusts automatic timer to permit grinding for specified period. Tests thickness of
parts with micrometer. Removes parts from block, using brush and cleaning solution, and cleans
parts by dipping them into series of cleaning solutions. Resurfaces lapping wheel, using
automatic turning machine.
603.685-070 LAPPING-MACHINE OPERATOR, PRODUCTION (machine shop) alternate titles: micromatic-hone operator
Tends one or more $T3lapping$T1 machines to lap
surfaces of metal objects to specifications, usually on production basis: Starts machine and places
workpieces in machine or engages automatic feeding mechanism. Measures lapped workpieces
for conformance to specifications, using instruments, such as preset comparators and surface
plate. May move controls to adjust lapping speeds, tool pressure, and length of machine cycle.
May assist MACHINE SETTER (machine shop) in setting up machine. May be required to have
experience with particular material or product or with machine of particular type of trade name
and be designated Barrel Lapper (ordnance).
603.685-074 SHOT-GRINDER OPERATOR (ordnance)
Tends machine that grinds and polishes steel pellets to
specified diameter for use as BB shot in air guns: Scoops pellets into feed hopper and starts
machine. Turns valve to control coolant flow and adds scouring powder to hasten abrasive
action. Measures ejected shot at machine discharge chute to verify size, using gauges, and turns
handwheel to adjust pressure plates that increase or decrease size of shot.
603.685-078 SNAILER (clock & watch)
Tends machine that automatically polishes watch crown
and ratchet wheels and inscribes decorative snailed (spiral or volute-shaped) lines on them:
Places wheel in rotating chuck of machine. Brushes abrasive mixture onto metal lap and starts
machine that automatically polishes and snails wheels.
603.685-082 STONER AND POLISHER, BEVEL FACE (clock & watch) alternate titles: screwhead stoner and polisher
Tends machine that stones and polishes bevel face
(outside periphery) of screwheads: Inserts screws in spring chuck. Swings stoning face into
position against rotating heads and holds it in place until pilot bulb lights, indicating heads are
stoned to size. Turns stoning face away and swings polishing lap into position against rotating
heads to impart finish to bevel faces. Removes finished screws from chucks.
603.686-010 POLISHING-MACHINE-OPERATOR HELPER (any industry)
Feeds metal parts into automatic polishing machine, and
transfers polished parts from conveyor to trays. Adds coolant to reservoir of polishing machine,
and removes abrasive sludge from collection tank. Assists POLISHING-MACHINE
OPERATOR (any industry) 603.682-026 in changing abrasive belts.
603.686-014 DEBURRER, PRINTED CIRCUIT BOARD PANELS (electron. comp.)
Feeds and off bears machine that automatically cleans
and removes burrs from panels for production of printed circuit boards (PCB's): Loads panels
into automatic feeder device that conveys panels into deburring machine. Flips switch or presses
button to start deburring machine that automatically cleans and deburrs panels. Removes cleaned
and deburred panels from machine and examines panels for scratches. Records production data.
May turn crank to adjust pressure of steel brushes that deburr panels. May buff scratches on
panels, using hand buffer. May replace machine filter, using wrench.
604 TURNING OCCUPATIONS
This group includes occupations concerned with shaping metal by the paring or chipping action of rigid cutting tools applied to metal rotating in a lathe. The shaping of nonmetallic materials, except wood, is also included when the methods and machine tools commonly applied to the machining of metal are used.
604.130-010 SUPERVISOR, ROLL SHOP (steel & rel.)
Supervises and coordinates activities of workers engaged
in grinding, turning, and shot blasting mill rolls to specified surface finish and in repairing roll
set bearings of mill rolls used in shaping steel in rolling mills: Reviews job orders, studies
blueprint specifications, and inspects rolls to plan shop work. Schedules shop operations and
daily work loads, considering such factors as mill rolling schedules, amount of turning, grinding,
and shot blasting required to dress rolls, and available workers. Assigns workers to duties,
explains work requirements, and issues blueprints and templates for performing work. Inspects
work in progress and completed work for conformance to specifications and shop standards.
Prepares production and progress reports. Inspects roll shop equipment and arranges for
maintenance and repair work. Initiates changes in work methods to improve worker performance
and production efficiency. Trains workers in operation of shop machines and equipment. Keeps
production and time records. Requisitions materials and supplies.
604.260-010 SCREW-MACHINE SET-UP OPERATOR, SWISS-TYPE (clock & watch) alternate titles: automatic-screw-machine setter, swiss-type
Sets up swiss-type automatic screw-machines to perform
series of machining operations, such as boring, threading, and facing metal wire, rod, or bar stock
to specifications, to produce small, accurately turned parts for clocks, watches, and other timing
devices: Studies blueprint and layout sheet to determine machining to be done, dimensions of
parts, and permissible tolerances, and plans sequence of operations. Visualizes movements of
machine parts, workpieces, and tools in each operation in relation to others and decides on
station and timing of each operation to assure efficient use of tools and time. Selects cutting
speeds, feed rates, depth of cuts and cutting tools to be used on basis of experience and
knowledge of metal properties and shop mathematics, or by referring to tables, charts, or
instructions on layout sheet. Installs stock feed pushers, collets, and bushings, using wrenches.
Inserts stock into stock feed mechanism and sets stock stop to control length of stock fed. Installs
spindle speed and feed change gears to obtain required spindle speeds and tool feeds. Installs
cams that control movement of stock and tools. Mounts cutting tools in toolholders and mounts
them on machine, using wrenches, verifying their position with gauges and other measuring
instruments. Cranks machine through cycle, stopping machine and adjusting tool positions and
machine controls to allow for such factors as timing and clearance between moving parts. Starts
machine, observes operation, and verifies conformance of first-run and sample workpieces to
specifications, using such instruments as micrometers, calipers, limit gauges, and scales.
Replaces worn tools. May operate $T3bench grinder$T1 or cutter-grinding machine to sharpen
tools. May set up and operate machine to machine first-run workpiece only. May be required to
have experience with particular product, or machine of particular size, type, or trade name.
604.280-010 ENGINE-LATHE SET-UP OPERATOR, TOOL (machine shop) alternate titles: precision-lathe operator; tool-room-lathe operator; tracer-lathe set-up operator
Sets up and operates engine lathe to perform machining,
such as turning, $T3facing,$T1 boring, and threading on rotating metal castings, forgings, and
bar stock, to machine tool, die, or machine parts, analyzing specifications and deciding on
tooling according to knowledge of metal properties and lathe operation: Studies blueprint or
layout on workpiece to visualize machining to be done, and plans sequence of operations. Selects
method of holding workpiece according to its size and shape and installs holding fixtures, such
as chuck jaws, collets, arbors, and mandrels, to headstock or tailstock, using clamps or wrenches.
Lifts workpiece manually or with hoist, and positions and secures it in holding fixture or between
centers, using clamps and wrenches, and verifying position with measuring instruments, such as
calipers, height gauges, and dial indicators. Selects feed rate, cutting speed, depth of cut, and
cutting tool for each operation, according to knowledge of metal properties and shop
mathematics. Positions and secures cutting tool in tool holder on cross-slide or tailstock. Moves
controls to set cutting speed and feed rate and to position tool in relation to workpiece. Starts
machine and turns handwheels to feed tool to and along workpiece, or engages automatic feed.
Turns valve handle and directs flow of coolant against tool and workpiece. Verifies conformance
of machined workpiece to specifications, using measuring instruments, such as micrometer,
calipers, and depth gauges. May operate large engine lathe to machine large objects, such as ship
propeller shafts, and be designated Lathe Set-Up Operator, Large (machine shop). May offset
position of tailstock to machine tapered surfaces. May mount gears, move levers, and engage
threading dial to machine threads, using knowledge of thread cutting. May machine teeth on
cutting tools, or duplicate contours from templates or models, using $T3relieving$T1 or tracing
attachments. May operate $T3bench grinder$T1 to sharpen tools. May work on nonmetallic
materials, such as plastics. May be required to have specialized experience with particular
materials, product, precision level, machining process or size, type, or trade name of machine.
604.280-014 SCREW-MACHINE SET-UP OPERATOR, MULTIPLE SPINDLE (machine shop) alternate titles: automatic-screw-machine operator; bar-machine operator, multiple spindle; screw-machine operator; screw-machine setter
Sets up and operates one or more multiple-spindle
lathe-type screw machines equipped with automatic $T3indexing$T1 and feeding mechanisms to
perform turning, boring, threading, and $T3facing$T1 operations on metal bar stock on custom
basis, analyzing specifications and deciding on tooling according to knowledge of
screw-machine operations: Studies blueprint, visualizes machining to be done, dimensions of
parts and permissible tolerances, and plans sequence of operations. Visualizes movements of
machine parts, workpieces, and tools in each operation in relation to others, and decides on
station and timing of each operation to assure efficient use of tools and time. Selects cutting
speeds, feed rates, depth of cuts, and cutting tools to be used on basis of experience and
knowledge of metal properties and shop mathematics. Installs collets, bushings, and stock
pushers in stock-feeding mechanism, using wrenches and screwdrivers. Installs and adjusts cams,
gears, and stops to control stock and tool movements at each station. Positions and secures tools
in tool holders, verifying positions with gauges and other measuring instruments. Moves controls
to set cutting speeds and feed rates. Cranks machine through cycle, stopping machine and
adjusting tool positions and machine controls to allow for such factors as timing, clearance
between moving parts, and chip removal. Starts machine, observes operation, and verifies
conformance to specifications of first-run and sample workpieces, using such instruments as plug
and ring gauges, calipers, and micrometers. Replaces worn tools. May operate $T3bench
grinder$T1 or cutter-grinding machine to sharpen tools. May machine plastics or other
nonmetallic materials. May set up and operate single-spindle screw machine. May be required to
have experience with particular material or product or machine of particular size, type, or trade
name. May set up machines for other workers.
604.280-018 SCREW-MACHINE SET-UP OPERATOR, SINGLE SPINDLE (machine shop) alternate titles: automatic-screw-machine operator; bar-machine operator, single spindle
Sets up and operates one or more single-spindle
lathe-type screw machines equipped with automatic feeding and tool-indexing mechanisms to
perform turning, boring, threading, and $T3facing$T1 operations on metal bar stock on custom
basis, analyzing specifications and deciding on tooling according to knowledge of screw machine
operations: Studies blueprint to visualize machining to be done, dimensions of parts and
permissible tolerances, and plans sequence of operations. Selects cutting speeds, feed rates, depth
of cuts, and cutting tools to be used on basis of knowledge of metal properties and shop
mathematics. Installs collets, bushings, and stock pushers in stock-feeding mechanism, using
wrenches and screwdrivers, and loads with bar stock manually or with hoist. Installs and adjusts
cams, gears, and stops to control stock and tool movements. Positions and secures tools in tool
holders, verifying positions with gauges and other measuring instruments. Moves controls to set
cutting speeds and feed rates. Starts machine, observes operations, and verifies conformance of
first-run and sample workpieces to specifications, using such instruments as plug and ring
gauges, calipers, and micrometers. Replaces worn tools. May operate $T3bench grinder$T1 or
cutter-grinding machine to sharpen tools. May machine plastics or other nonmetallic materials.
May be required to have experience with particular material or product or machine of particular
size, type, or trade name, and be designated accordingly. May set up machines for other workers.
604.280-022 TURRET-LATHE SET-UP OPERATOR, TOOL (machine shop)
Sets up and operates turret lathe to perform series of
machining operations, such as turning, $T3facing,$T1 boring, and tapping, on metal workpieces,
such as machine, tool, or die parts, analyzing specifications and deciding on tooling, applying
knowledge of metal properties, shop mathematics, and turret-lathe operations: Studies blueprint
to visualize machining to be done, and plans sequence of operations. Selects and installs
work-holding fixtures on machine, such as collets, faceplates, two-jaw chuck, or specially-shaped
holding devices, and positions and secures workpiece in holding fixture, using wrenches. Selects
cutting speed, tool feed rate, depth of cut, and cutting tools for each operation, according to
knowledge of metal properties and shop mathematics. Positions and secures tools in toolholders
at each station of turret and cross-slide toolpost, and positions tools in relation to workpiece.
Moves stops, cams, or levers to control rotation of workpiece and feeding of tools. Turns
handwheels to feed tools to and along workpiece and to $T3indexing$T1 toolholders between
operations, or engages feeding and indexing mechanisms. Turns valve to direct flow of coolant,
against tool and workpiece. Verifies conformance of machined workpiece to specifications, using
measuring instruments, such as gauges, calipers, and micrometer. May sharpen tools with
$T3bench grinder.$T1 May operate tracing attachment to duplicate profile of template or model
on workpiece. May work on nonmetallic materials, such as plastics. May be required to have
specialized experience with particular material, product, precision level, machining process, or
size, type, or trade name of lathe. May be designated according to whether lathe is primarily
equipped to machine bar stock fed through headstock of screw machine as Screw-Machine
Set-Up Operator, Tool (machine shop); or workpiece held in chuck (chucking machine) as
Chucking-Machine Set-Up Operator, Tool (machine shop). May be designated according to type
of lathe as Turret-Lathe Set-Up Operator, Tool, Vertical (machine shop).
604.360-010 SETTER, AUTOMATIC-SPINNING LATHE (any industry)
Sets up automatic spinning lathe to spin (form) shaped
articles from sheet or plate metal as specified by blueprints and computed from data charts: Bolts
specified spinning chuck to headstock spindle and follow block to tailstock, using handtools or
power tools. Positions, aligns, and bolts specified circular forming tool on hydraulic carriage
according to diameter and thickness of metal disk, using such measuring tools as calipers,
micrometers, and verniers. Turns control knobs to set speed of lathe and feed speed of carriage
according to chart. Makes trial run and measures dimensions of first piece for conformance to
blueprint specifications. May set up automatic spinning lathe equipped with special forming tools
to shape, trim, or form knurls or beads on workpiece and be designated Setter,
Automatic-Spinning-And-Beading-Lathe (any industry).
604.362-010 LATHE OPERATOR, NUMERICAL CONTROL (machine shop)
Sets up and operates numerically controlled horizontal
lathe to perform machining operations, such as turning, boring, $T3facing,$T1 and threading
parts, such as castings, forgings, and bar stock: Reads process sheets, blueprints, and sketches of
part to determine machining to be done, dimensional specifications, set up, and operating
requirements. Inserts beginning point of tape in reading head of control unit. Mounts workpiece
between centers, in chuck, or to faceplate, manually or using hoist. Selects and installs preset
tooling in tool posts, turrets or $T3indexing$T1 heads, and automatic-tool-change magazine, in
sequence specified on process sheet. Depresses buttons, toggles, or sets tape and starts machining
operation. Observes numerical displays on control panel and compares with data on process sheet
to verify dimensional adjustments, feed rates, and speeds of machining cuts. Turns dials and
switches to override tape control and correct machine performance, applying practical knowledge
of lathe operation. Inspects first-run piece and spot-checks succeeding pieces for conformance to
specifications, using micrometers and precision $T3dial$T1 gauges. Studies job packet and
organizes materials for next run during automatic tape-controlled cycles to shorten changeover
time. May set tools before positioning them in lathe, using precision gauges and instruments.
May set up and operate another machine tool during tape-controlled machining cycles. May
machine nonmetallic materials. May be designated by type of lathe operated as Engine Lathe
Operator, Numerical Control (machine shop); Turret Lathe Operator, Numerical Control
(machine shop).
604.380-010 CHUCKING-MACHINE SET-UP OPERATOR (machine shop) alternate titles: chucking-lathe operator
Sets up and operates one or more single- or
multiple-spindle horizontal chucking machines (lathes) to perform series of machining
operations, such as turning, boring, threading, and $T3facing,$T1 on metal workpieces, such as
castings, forgings and bar stock, according to specifications, tooling instructions, standard charts,
and knowledge of turning procedures: Reads blueprint, job order, tooling instructions, or
standard charts to determine product specifications, work-holding arrangement, cutting speeds,
feed rates, and cutting tools to be used. Attaches specified chuck or chuck jaws to headstock,
using wrenches. Moves controls, cams, and stops to set rotation speeds and feed rates and to
control tool and workpiece movement for specified operations. Lifts workpiece manually or
using hoist, and positions and secures it in chuck. Turns handwheels to position tools in relation
to workpiece. Turns valve handle and directs flow of coolant against tools and workpiece. Starts
machine, and moves controls to adjust positions and movements of tools during machine
operation. Verifies conformance of turned workpieces to specifications, using measuring
instruments, such as micrometers, calipers, and fixed gauges. May be required to decide on
station and timing of each operation to assure efficient use of tools and time. May set up
automatic device to feed workpieces to machine. May compute such data as dimensions, rotation
speeds, and feed rates, using knowledge of shop mathematics and metal properties. Important
variations are custom or production work; size or trade name of machine operated; types of
metals or products machined; or work site (plant or job shop). May set up machines for other
workers.
604.380-014 CHUCKING-MACHINE SET-UP OPERATOR, MULTIPLE SPINDLE, VERTICAL (machine shop)
Sets up and operates one or more multiple-spindle
vertical chucking machines (lathes) to perform series of machining operations, such as turning,
boring, threading, and $T3facing$T1 on metal workpieces, such as castings, forgings, and bar
stock, according to specifications, tooling instructions, standard charts, and knowledge of turning
procedures: Reads blueprint, job order, tooling instructions, and standard charts to determine
product specifications, work-holding arrangement, and cutting speeds, feed rates, and cutting
tools to be used. Visualizes movements of machine parts, workpieces, and tools in each operation
in relation to others, and decides on station and timing of each operation to assure efficient use of
tools and time. Installs specified chucks or holding fixtures on headstocks, and places and
secures workpiece in holding device. Positions and secures tools and toolholders to toolheads.
Moves controls, stops, and cams to set specified rotation speeds and feed rates, and to control
timing and action of tools at each station. Starts machine, turns valve handle, and directs flow of
coolant against tools and workpieces. Stops machine and verifies conformance of workpiece to
specifications after initial machining operation, using fixed gauges, calipers, and micrometers.
May compute such data as dimensions, rotation speeds, feed rates, tool setting angles, and
machining times, using knowledge of shop mathematics and metal properties. May work on
nonmetallic materials, such as plastics. May set up and operate machine to machine first-run
workpiece only and be designated Chucking-Machine Setter, Multiple Spindle, Vertical
(machine shop). May be required to have experience with particular material or product, or with
machine of particular size, type, or trade name and be designated accordingly.
604.380-018 ENGINE-LATHE SET-UP OPERATOR (machine shop) alternate titles: bench-lathe operator
Sets up and operates engine lathes to machine metallic
and nonmetallic workpieces according to specifications, tooling instructions, and standard charts,
applying knowledge of machining methods: Reads blueprint or job order for specifications, such
as dimensions and tolerances, tooling instructions on holding devices, feed rates, cutting speeds,
depth of cuts, and cutting tools. Positions and secures tools in holders, using wrenches. Lifts
workpiece manually or with hoist, and positions and secures workpiece in holding device,
machine table, chuck, centers, or fixture, using clamps and wrenches. Sets specified rotation
speed, feed rate, and depth of cut, and positions tool in relation to workpiece. Starts machine,
turns handwheels to feed tool to workpiece, and engages feed. Turns valve handle to direct flow
of coolant against tool and workpiece. Observes cutting action of machine to detect excessive
wear or malfunction. Verifies conformance of machined workpiece to specifications, using
micrometers, calipers, and fixed gauges. May scribe reference lines on workpiece, using scale, or
template and scriber, to lay out interrelated surfaces, lengths, and depths of cut. May compute
unspecified dimensions and machine settings, using knowledge of metal properties and shop
mathematics. May set up tracing attachment that guides cutting tool to follow movement of
tracing stylus along template to duplicate template profile on turned workpiece and be designated
Tracing-Lathe Set-Up Operator (machine shop). May be required to have experience with custom
or production work, or with particular material, product, level of precision, or size, type, or trade
name of machine.
604.380-022 SCREW-MACHINE SET-UP OPERATOR (machine shop) alternate titles: automatic-screw-machine operator; bar-machine operator; screw-machine operator
Sets up and operates single- or multiple-spindle
lathe-type screw machines equipped with automatic $T3indexing$T1 and feeding mechanisms to
machine metal bar stock, following specifications and tooling instructions and applying
knowledge of screw machine operations: Reads blueprint or job order for product specifications,
such as dimensions, tolerances, number of parts to be machined, and tooling instructions, such as
cutting speeds, feed rates, depth of cuts, and cutting tools to be used. Positions and secures
specified collets, bushings, and stock pushers onto stock-feeding mechanism, using wrenches and
screwdrivers, and loads bar stock into feeding mechanism, manually or using hoist. Installs and
adjusts specified cams, gears, and stops to control stock and tool movements at each station.
Positions and secures tools in toolholders, verifying positions with gauges and other measuring
instruments. Sets cutting speeds and feed rates. Moves controls to cycle machine through
settings, stopping machine and adjusting tool positions and machine controls to allow for
operating factors, such as timing, clearance between moving parts, and chip removal. Starts
machine, observes operation, and inspects first-run and sample workpiece to ensure machining
conforms to specifications, using measuring instruments, such as plug and ring gauges, calipers,
and micrometers. Replaces worn tools. May operate $T3bench grinder$T1 to sharpen tools. May
machine nonmetallic materials. May be required to have experience with particular material or
product or machine of particular size, type, or trade name. May set up machines for other
workers.
604.380-026 TURRET-LATHE SET-UP OPERATOR (machine shop)
Sets up and operates turret lathes to perform series of
machining operations, such as turning, boring, threading, and $T3facing,$T1 on metal
workpieces, such as castings, forgings, and bar stock, according to specifications, tooling
instructions, standard charts, and knowledge of turning procedures: Reads blueprint, job order,
tooling instructions, and standard charts for such specifications as dimensions, tolerances, and
tooling instructions, such as type of holding fixtures, cutting speeds, feed rates, and cutting tools
to be used. Positions and secures tools in toolholders on turret and cross-slide, using wrenches.
Moves controls to set specified rotation speeds, feed rates, and depth of cuts. Positions and
secures workpiece in chuck or to faceplate, using wrenches. $T3Indexes$T1 turret and adjusts
positions of tools at each station in relation to workpiece to assure clearance between moving
parts and machining of specified dimensions and tolerances. Observes operation and indexes
turret between operations. Verifies conformance of machined workpieces to specifications, using
micrometers, calipers, and fixed gauges. Turns valve and directs flow of coolant against tool and
workpiece. May compute such data as dimensions, rotation speeds, feed rates, and machining
times, using knowledge of shop mathematics and metal properties. May work on nonmetallic
materials, such as plastics. May be required to have experience with custom or production work
or with particular material, product, level of precision, or machine of size, type, or trade name.
604.382-010 SCREW-MACHINE OPERATOR, MULTIPLE SPINDLE (machine shop) alternate titles: bar-machine operator, multiple spindle
Operates one or more previously set up multiple-spindle
screw machines equipped with automatic $T3indexing$T1 and feeding mechanism to perform
series of machining operations on metal bar stock, following specifications: Reads blueprint and
job order for such information as dimensions, tolerances, and number of workpieces to be
machined. Examines machine to become familiar with tooling setup. Loads stock into feeding
mechanism. Starts machine and observes operation. Verifies conformance of sample workpieces
to specifications, using preset gauges, micrometers and dial indicators. Replaces worn tools.
Adjusts machine controls and changes tool settings to keep dimensions within specified
tolerances. May operate $T3bench grinder$T1 or cutter-grinding machine to sharpen tools
[TOOL-GRINDER OPERATOR (machine shop)]. May machine plastics or other nonmetallic
materials. May operate single-spindle screw machine [SCREW-MACHINE OPERATOR,
SINGLE SPINDLE (machine shop)]. May be required to have experience with particular
material or product or machine of particular size, type, or trade name.
604.382-014 SCREW-MACHINE OPERATOR, SINGLE SPINDLE (machine shop) alternate titles: bar-machine operator, single spindle
Operates one or more previously set up single-spindle
screw machines (type of lathe) equipped with automatic $T3indexing$T1 and feeding
mechanisms to perform series of machining operations on metal bar stock, following
specifications: Reads blueprint and job order for such information as dimensions, tolerances, and
number of workpieces to be machined. Examines machine to become familiar with tooling setup.
Loads stock into feeding mechanism manually or with hoist. Starts machine and observes
operation. Verifies conformance of sample workpieces to specifications, using preset gauges,
micrometers, or dial indicators. Adjusts machine controls and changes tool settings to keep
dimensions within specified tolerances. Replaces worn tools. May operate $T3bench grinder$T1
or cutter-grinding machine to sharpen tools [TOOL-GRINDER OPERATOR (machine shop)].
May machine plastics or other nonmetallic materials. May be required to have experience with
particular material or product or machine of particular size, type, or trade name. Differs from
SCREW-MACHINE OPERATOR, PRODUCTION (machine shop) in that this work is
characterized by variety, with shorter runs and less repetition.
604.666-010 THREADING-MACHINE FEEDER, AUTOMATIC I (machine shop)
Feeds cylindrical stock into one or more threading
machines: Shovels, dumps, or inserts material in hopper or feedrack of machine that
automatically threads stock. Carries or wheels filled and empty containers, such as buckets and
wheelbarrows, to and from machine. Notifies THREADING-MACHINE SETTER (machine
shop) of machine malfunctions. May fill tanks of lubricating oil, clean machine and work area.
604.682-010 SCREW-MACHINE OPERATOR, SWISS-TYPE (clock & watch)
Operates one or more previously set up automatic screw
machines to perform series of machining operations, such as boring, threading, and facing metal
bar, rod, or wire stock to specifications to produce parts for clocks, watches, and other timing
devices: Reads specifications to determine dimensions, tolerances, and number of parts required.
Loads specified stock into feeding mechanism. Pushes starting button, and moves clutch lever to
start machine and engage gears. Observes machine operation and verifies conformance of
workpiece to specifications, using measuring instruments, such as micrometers, calipers, scales,
and go-not-go gauges. Makes adjustments to tool and toolholders, stock and guide tensions, and
operating speed and lubricant flow to maintain machine setup, using handtools. May operate
$T3bench grinder$T1 to reshape or sharpen edges of cutting tools.
604.682-014 THREADING-MACHINE OPERATOR (machine shop)
Sets up and operates single- or multiple-spindle threading
machine to thread and chamfer cylindrical stock according to specifications: Selects, installs, and
adjusts threading die, die cutters, chamfering tools, feed grips, pressure tripping mechanism,
cams, gears and pulleys, using screwdrivers and wrenches. Lifts precut stock manually or with
hoist and positions and secures stock in chuck jaws. Starts machine and moves handwheel or
lever to alternately feed stock on each spindle. Verifies dimensions of workpieces with
specifications, using fixed gauges and scale. May sharpen die cutters on grinding wheel. May be
designated by type of stock threaded as Bolt-Threading-Machine Operator (machine shop);
Nipple-Machine Operator (machine shop); Pipe-Threading-Machine Operator (machine shop).
604.685-010 BALANCE RECESSER (clock & watch)
Tends semiautomatic turning machine to cut recess in
watch balance wheel: Fits center hole of balance wheel over pin protruding from face of quill
(removable headstock), using tweezers. Fits holding ring over wheel and depresses pedal to
clamp ring in place. Depresses pedal to start machine. Observes machine operation to detect
malfunction. Lifts recessed wheel from pin, using tweezers, when machine automatically stops at
end of cycle. Verifies contour of recess, using go-not-go gauge, depth of recess, using upright
gauge, and quality of cut, using jeweler's loupe.
604.685-014 FACING-MACHINE OPERATOR (clock & watch)
Tends one or more single- or multiple-spindle lathe-type
machines to cut and finish watch parts, such as watch plates, balance wheels, and bridges to
specified thickness and surface finish: Depresses pedal to open chuck or nest to clamp piece in
place, or fits hole of piece over pin projecting from face of quill, exercising care to seat parts to
prevent damage to diamond cutting edge. Starts machine and turns handwheels to move cutting
edge into position and across face of part or move machine controls to start machine and engage
cutting tool to automatically face parts to specifications. Removes piece at end of facing cut and
checks thickness with precision gauges to determine that dimensions and finish meet
specifications and shop standards. Notifies supervisor if parts do not meet specifications, of
machine malfunctions, and of need for cutter replacement. May change and adjust cutting tools.
604.685-018 KNURLING-MACHINE OPERATOR (ordnance)
Tends band-seating machine that roughens grooves (band
seats) of artillery shells so that brass or copper bands affixed by BANDING-MACHINE
OPERATOR (ordnance) will secure shell and rotate it when fired: Positions shell in chuck of
lathe and tightens chuck, using wrench. Moves machine controls to start shell rotating and
engage feed of knurling tool. Presses and releases pedal when band seat is sufficiently scored and
removes processed shell from chuck.
604.685-022 LAP CUTTER-TRUER OPERATOR (optical goods)
Tends truing machine that $T3mills$T1 and recuts
surfaces of metal lap used in grinding and polishing eyeglass lenses to specified curvature: Holds
lap against rotating brush to remove marks indicating number of times lap was used. Set scale
indicators of truing machine, according to dioptric power indicated by numbers on lap, and
clamps lap in chuck of machine. Starts machine and positions cutting blade against surface of
lap, or engages automatic feed mechanism which reciprocates lap against cutting blade to shave
and true surface of lap. Removes lap from machine chuck, and measures it for conformance to
specifications, using template. Grooves surface of lap to retain abrasive on surface edges of lap,
by hand or machine, to remove roughness caused by cutting, $T3truing I,$T1 and grooving
operations. Occasionally sharpens cutting blade, using grinder.
604.685-026 LATHE TENDER (machine shop) alternate titles: automatic-lathe tender; engine-lathe tender; turret-lathe tender
Tends lathes, such as turret lathes, engine lathes, and
chucking machines (lathes) that cut, shape, drill, bore, thread, or face metal workpieces
according to specifications: Lifts workpiece, manually or using hoist, and positions and secures
workpiece between lathe centers, in chuck, or in holding fixture, using wrenches and clamps, or
positions workpiece in automatic loading mechanism. Starts machine and turns handwheels to
feed tools to workpiece or engages automatic feed. Turns valve to control flow of coolant against
tool and workpiece. Observes machining operation to detect malfunction or excessive tool wear.
Verifies that machined workpiece conforms to specifications, using thread, plug, and fixed
gauges, dial indicators, calipers, and micrometers. Changes worn tools, using wrenches. May
machine plastic or other nonmetallic materials. May be designated by type of machine as
Knurling-Machine Tender (pen & pencil); Tapper (clock & watch) I.
604.685-030 RIM-TURNING FINISHER (clock & watch)
Tends semiautomatic lathes that face and chamfer rim,
cut diameter to size, and impart finish on watch balance wheels: Places balance wheel on
locating pin in nest of quill, heats quill nest, wheel, and shellac stick to melt and apply shellac,
using Bunsen burner. Places quill in holder of semiautomatic shellacking machine and presses
button to start machine that heats and melts shellac. Presses wheel into nest and cools shellac to
secure wheel in position. Places and clamps quill in lathe, exercising care to seat parts to prevent
damage to diamond cutters. Presses button to start and run lathe through machining cycle.
Removes quill from lathe, heats nest, and removes wheel, exercising care to prevent damage to
wheel. Places wheel in alcohol to dissolve and remove shellac. Examines finish and gauges
outside diameter of wheels to ensure specifications are met, using loupe and micrometer or fine
gauge. Removes old shellac from quill, using Bunsen burner and brass wiping tool. Lubricates
and cleans quill and machine as needed.
604.685-034 SCREW-MACHINE TENDER (machine shop) alternate titles: bar-machine operator, production
Tends single- or multiple-spindle screw machines
equipped with automatic $T3indexing$T1 and feeding mechanisms that drill, turn, bore, thread,
tap, and face metal bar stock according to specifications: Loads bar stock into feeding
mechanism. Starts machine, engages feeds, and observes machine operation. Changes worn
cutting tools, using wrenches. Removes sample workpiece from machine and inspects workpiece
to verify conformance to specifications, using instruments, such as preset comparator, ring and
screw pinch gauges, calipers, and micrometer. Moves controls to adjust machine operation. May
sharpen tools, using bench grinder. May machine plastic or other nonmetallic materials.
604.685-038 THREADING-MACHINE OPERATOR (ordnance)
Tends planetary-type, threading-cutting machine that cuts
interior and exterior threads in artillery shells, so that fittings, such as fuse caps, can be attached:
Turns setscrews to secure position and depth of thread and to adapt compressed-air holding
chuck to material. Positions shell in machine and tightens chuck. Closes switch to activate
cutting tools. Presses levers to stop cutting tools and release chuck. Inspects shells, using fixed
gauges.
604.685-042 TURRET-LATHE OPERATOR, TUMBLE TAILSTOCK (clock & watch)
Tends turret lathe to spot, drill, finish-recess, and
rough-post watch barrel bridges: Places bridge in nest of quill and turns clamping ring to tighten
bridge in place. Depresses pedal to start machine. Feeds spotter, drill, and hollow mill in order
against bridge by pressing $T3indexing$T1 button which clicks each into working position.
Loosens clamping ring and removes completed bridges. Verifies dimensions of post and
thickness of recess with precision plug and indicator gauges.
604.686-010 WIRE THREADER (clock & watch)
Threads fine wire on automatic wire-threading machine
for further processing into watch screws.
605 MILLING, SHAPING, AND PLANING OCCUPATIONS
This group includes occupations concerned with shaping metal by the action of revolving, multiple-tooth cutters; rigid, single-edge cutters; or linear, single-pass, multiple-tooth cutters. Excess material is removed by milling, broaching, shaping, or planing to produce flat or profiled surfaces, grooves, splines, keyways, and slots. Includes shaping, without removal of excess material, by raising burrs, or by shaving strands from stock. The milling, broaching, shaping, or planing of nonmetallic materials, except wood, are also included when the methods and machine tools commonly applied to the machining of metal are used.
605.280-010 MILLING-MACHINE SET-UP OPERATOR I (machine shop)
Sets up and operates variety of milling machines to mill
flat or curved surfaces on metal workpieces, such as machine, tool, or die parts, analyzing
specifications, and selecting tooling, according to knowledge of milling procedures: Studies
blueprints or layout on workpiece to determine sequence of operations and finished dimensions
of workpiece. Lifts and positions workpiece on machine table manually or with hoist, and
secures it, using clamps, bolts, or fixtures. Selects feed rate, cutting speed, depth of cut, and
milling cutter, applying knowledge of metal properties and shop mathematics. Mounts milling
cutter in spindle, and positions cutter and workpiece in relation to each other. Verifies alignment
of workpiece, using measuring instruments, such as dial indicator and thickness gauge. Turns
handwheel to feed workpiece to cutter or vice versa. Turns valve handle to start flow of coolant
or lubricant on work area, starts machine, and engages automatic feed. May compute
$T3indexing$T1 ratios and set up and operate dividing head to index workpiece for such
operations as milling helical cuts. May mount different tool in place of cutter and perform other
operations, such as drilling and boring. May set up and operate attachments, such as
$T3pantograph mechanism$T1 to duplicate contours from models or profiles from templates, or
universal head to mill at angles. May mill nonmetallic materials.
605.280-014 PROFILING-MACHINE SET-UP OPERATOR I (machine shop) alternate titles: cam-milling-machine operator; die-sinking-machine operator; profiler
Sets up and operates milling machine equipped with
built-in or attached tracing mechanism that guides cutting tool in parallel relationship to stylus
that moves along three-dimensional model or two-dimensional template to mill contour of model
or profile of template on metal workpieces: Studies blueprint, layout on workpieces, and
template or model to determine tooling, sequence of operations, and finished dimensions of
workpiece. Positions and secures workpiece and model or template parallel to each other on
machine bed or angle plate, using height gauges, parallel blocks, sine bars, steel rule, wrenches,
and clamps. Moves handwheel to position cutting tool on workpiece in specified relation to
stylus on model or template. Observes operation and makes adjustments to ensure conformance
of milled workpiece to specifications. Verifies conformance of workpiece, using dial and surface
gauges, templates, calipers, and micrometers. May turn lever to start flow of coolant on
machining area. May mill plastics or other nonmetallic materials.
605.280-018 PROFILING-MACHINE SET-UP OPERATOR, TOOL (machine shop) alternate titles: duplicating-machine operator; tracer-controlled-milling-machine operator; milling-machine operator; milling-planer operator; slab-miller operator
Sets up and operates various types of tracer-controlled
profile milling machines to mill duplicates of template or model contour on metal workpieces,
such as cams, metalworking dies, aircraft parts, and automobile prototype parts, determining
tooling according to knowledge of profiling procedures: Studies blueprint, dimensioned sketch,
or layout on workpiece to visualize milling required and plans sequence of operations. Lifts and
positions workpiece on machine bed manually or using hoist. Secures workpiece and template or
model on angle plates or machine table, using clamps, wrenches, and such devices as height and
$T3planer gauges,$T1 parallel blocks, shims, and screwjacks. Selects cutting speeds, depth of
cut, cutting tool, and corresponding tracing stylus. Positions and secures cutter and stylus in
respective spindles. Turns switches or dials to set feed and speed and to position cutter and stylus
at reference points on workpiece and template or model allowing for tool pressure, die clearance,
and amount of stock to be left for subsequent removal. Engages feeding mechanism. Observes
machining operation and adjusts cutter position, cutting speed, and feed rate to ensure that
workpiece conforms to specifications. Verifies conformance of milled workpiece to
specifications, using gauges, calipers, and micrometers. May work on nonmetallic materials.
May make cutters and styluses. May inspect workpiece on $T3projection (shadow) comparator
machine$T1 to determine if profiled cuts align with projected drawing.
605.282-010 MILLING-MACHINE SET-UP OPERATOR II (machine shop)
Sets up and operates milling machine to mill flat or
curved surfaces on metal workpieces, such as machine, tool, or die parts, analyzing specifications
and selecting tooling, according to knowledge of milling procedures: Studies blueprints or layout
on workpiece to determine sequence of operations and finished dimensions of workpiece. Lifts
and positions workpiece on machine table manually or with hoist, and secures it, using clamps,
bolts, and fixtures. Selects feed rate, cutting speed, depth of cut, and milling cutter, applying
knowledge of metal properties and shop mathematics. Mounts milling cutter in spindle, and
positions cutter and workpiece in relation to each other. Verifies alignment of workpiece, using
measuring instruments, such as dial indicator and thickness gauge. Turns handwheel to feed
workpiece to cutter or vice versa. Turns valve handle to start flow of coolant or lubricant on work
area, starts machine, and engages automatic feed. Periodically adjusts machine controls to
achieve specified tolerances. May compute $T3indexing$T1 ratios and set up and operate
dividing head to index workpiece for such operations as milling helical cuts. May mount
different tool in place of cutter and perform other operations, such as drilling and boring. May set
up and operate attachments, such as $T3pantograph mechanisms$T1 to duplicate contours from
models or profiles from templates, or universal head to mill at angles. May work on nonmetallic
materials. May set up machines for other workers.
605.282-014 PLANER SET-UP OPERATOR, TOOL (machine shop)
Sets up and operates planers that reciprocate workpieces
against stationary bar tools to plane and groove large metal workpieces, such as castings for
metalworking dies and machine ways, analyzing specifications and selecting tooling according to
knowledge of machine planing procedures: Studies blueprint or layout on workpiece to visualize
planing to be done, or marks layout on workpiece with scribe, and plans sequence of operations.
Selects method of holding workpiece so that entire surface to be planed will remain parallel to
table during planing operation. Lifts workpiece manually or with hoist, and positions and secures
it on table, using shims, parallel blocks, clamps, and wrenches. Verifies workpiece position with
gauges, rule, square, or other instrument. Selects and mounts cutting tools on railhead or side
head. Selects and sets cutting speed, length of stroke, and depth of cut, according to knowledge
of metal properties and shop mathematics. Sets stops to limit length of stroke and to actuate table
reversing mechanism. Moves controls to position tool in relation to workpiece. Starts table
reciprocation, turns handwheels to feed tool to or across workpiece between cuts, and engages
feed. Observes operation and verifies conformance of planed workpiece to specifications within
tolerances to plus or minus 0.001 inch, using measuring instruments, such as surface gauge,
$T3planer gauge,$T1 and micrometer. May operate $T3bench grinder$T1 to sharpen tools. May
turn valve handle and direct flow of coolant or lubricant against tool and workpiece. May set up
and operate milling attachment instead of rail or side head tool
[PLANER-TYPE-MILLING-MACHINE SET-UP OPERATOR (machine shop) 605.282-018].
May plane or mill nonmetallic materials. May set up and operate rotary planer which reciprocates
cutting tool against workpiece mounted on rotating machine bed and be designated Rotary Planer
Set-Up Operator (machine shop).
605.282-018 PLANER-TYPE-MILLING-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates planer-type milling machine that
moves workpiece back and forth against rigidly held rotating cutters to mill workpieces, such as
castings and machine parts, according to knowledge of planer-mill operating procedures: Studies
blueprints or layout on workpiece to determine machine set-up, and sequence of machining
operations. Lifts workpiece, using hoist, to position on machine bed. Secures workpiece in
holding fixture, using wrenches, and verifies position, using gauges, calipers, or square. Selects
cutting tool and mounts it in spindle, using handtools. Adjusts controls to set feed rate, speed of
cutting tool, and depth of cut. Turns controls to position cutting tool relative to workpiece, starts
machine, and engages automatic feed. Observes operation, stops machine to change cutting tool,
and adjust controls. Verifies conformance of workpiece to finished specifications, using
precision measuring instruments. Removes workpiece from machine bed.
605.360-010 ROUTER SET-UP OPERATOR, NUMERICAL CONTROL (machine shop)
Sets up and operates multiaxis, numerically controlled
routing machine to cut and shape metallic and nonmetallic workpieces: Selects and positions
workpiece on machine bed. Threads perforated or magnetic tape through read head. Inserts
precision indicator in machine chuck, and depresses switches to jog chuck into contact with
workpiece, synchronize tape and tool, and record setup point. Retracts chuck, and loads and
secures first preset cutting tool and holder. Starts machine and observes operation. Compares
numerical data displays with specifications on operation sheets, and uses scales, gauges, and
micrometer to verify machining operations. Removes and replaces cutting tool when worn or
damaged or when new cutting tool is specified by operation sheets. Assembles and presets
cutting tools at bench during tape-controlled machining to reduce machine downtime.
Repositions workpiece for intermediate setups when specified on operation sheets, and removes
and replaces workpiece at end of machining cycle. Verifies new tapes by starting machine and
observing operation to detect errors, plotting two-dimensional movement with recording stylus,
or by machining sample workpiece and inspecting each cut, using precision gauges.
605.380-010 MILLING-MACHINE SET-UP OPERATOR, NUMERICAL CONTROL (machine shop)
Sets up and operates multiaxis numerical-control milling
machine to mill surfaces of metallic and nonmetallic workpieces according to specifications and
tooling instructions, applying knowledge of machining methods: Threads perforated or magnetic
tape through read-head in control console, or enters commands into control panel, to retrieve
preprogrammed machine data from mainframe computer. Inserts precision indicator in machine
spindle, and depresses switches to jog spindle into contact with workpiece, synchronize tape and
tool, and record setup point. Retracts spindle and loads and secures first preset tool and holder.
Starts machine and observes cutting operation. Compares numerical data display with
specifications on operations sheet. Assembles and presets tooling for next operation during
automated cycle to reduce machine downtime. Replaces milling tools with drilling and boring
tools at specified change points to reduce or eliminate subsequent machining of workpiece on
another machine. May operate machine on preliminary dry run before machining first part to
detect errors in tape or computer program. May be designated according to make, trademark, or
configuration of machine, characteristics of control system, or type of product as Contour-Path
Tape-Mill Operator (machine shop); Planer-Type Milling-Machine Operator, Numerical Control
(machine shop); Profile-Mill Operator, Tape Control (machine shop); Tape Control
Skin-or-Spar-Mill Operator (machine shop); Tape Keller Operator (machine shop).
605.382-010 BROACHING-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates one or more broaching machines to
broach internal or external cylindrical or flat surfaces of metal workpieces according to
specifications, tooling instructions, standard charts, and knowledge of broaching: Reads
blueprint, job order, or specifications to determine dimensions and tolerances, and tooling
instructions, such as holding fixtures, cutting speed, and cutting tools (broaches) to be used. Lifts
workpiece manually or with hoist and positions and secures it in fixture. Installs broach or ram,
using wrenches. Moves controls to set specified depth of cut and ram speed, and to start ram that
pushes or pulls broach along surface of work. Pulls lever to start flow of coolant or lubricant on
work area. Verifies conformance of broached workpiece to specifications, using measuring
instruments, such as fixed gauges, calipers, and micrometers. May broach nonmetallic materials.
May change worn broaches, using handtools.
605.382-014 ENGRAVER, TIRE MOLD (machine shop) alternate titles: skid-machine operator
Sets up and operates cam-controlled tread-engraving
(skid) machine to mill tread designs in metal molds for rubber tires, according to specifications:
Examines work order or receives verbal instruction to ascertain cams, gearing ratio, and
templates to be used. Lifts mold half with hoist and secures it in work-holding fixture on
machine. Mounts specified cutting tool in machine spindle. Positions and secures drum cam
(grooved cylinder) corresponding to specified tread design number in machine, using wrenches.
Rotates mold in fixture to align specified design location on mark with mark and design number
on fixture corresponding to mounted cam. Moves controls to position tool in relation to mold and
starts machine. Turns handwheel and simultaneously exerts pressure on hand lever to traverse pin
against cam and tool against mold to mill (engrave) tread pattern in mold, adjusting action
according to movement and resistance sensed by hands on controls. Mounts systematically
varied sequence of cams which produce tread pattern of minimum tire noise. Verifies engraved
mold for conformance to specifications, using precision measuring instruments such as
micrometers, calipers, and dial indicators. May setup and operate engraving machine equipped
with template tracing stylus and be designated Tire Mold Engraver, Numerical Control (machine
shop).
605.382-018 KEYSEATING-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates keyseating machine (vertical shaper)
to cut keyseats in metal workpieces, such as wheels and gears, according to specifications: Reads
blueprint or job order to determine dimensions and tolerances of workpiece, and tooling
instructions, such as holding fixtures, cutting speeds, depth of cut, and cutting tools to be used.
Measures workpiece and scribes guidelines for cutting keyseat, using steel rule and scriber.
Mounts specified tool on ram. Lifts workpiece manually or with hoist, and aligns it with cutting
tool. Secures workpiece in fixture or to post on machine table, using clamps and wrenches.
Moves controls to set specified ram speed, length of stroke, and feed rate. Turns handwheel to
feed reciprocating tool to workpiece until depth of cut conforms to specifications, or engages
automatic feeding device. Verifies conformance of machined workpiece to specifications, using
fixed gauges, calipers, and micrometers. Turns handwheel or adjustment screw to tilt table to cut
tapered keyseats.
605.382-022 PANTOGRAPH-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates pantograph-milling machine to mill
contoured two-dimensional profiles and three-dimensional cavities in metal parts of such
products as dies and molds for metal diecasting and plastic molding, duplicating contour of
template or model to specified scale: Studies blueprint, workpiece, and template or model, and
plans operations. Positions and secures workpiece and model or template in relation to each other
on machine, using work aids and handtools, such as clamps, parallel blocks, and wrenches.
Selects tracing stylus, cutting tool, and cutting speed, according to operation to be performed and
knowledge of metal properties and machining methods. Mounts stylus and tool, using handtools.
Turns controls to set cutting speed and dimensional ratio of model to workpiece, and starts
machine. Grasps knob and moves stylus back and forth against template or model, causing
similar action of tool against workpiece. Watches tool, feels action and resistance of tool through
hand on knob, and manually controls cutting action in response to these stimuli. Verifies
conformance of machined workpiece to specifications, using templates and measuring
instruments, such as micrometers, dial indicators, and gauges. May make templates or cutting
tools for own use.
605.382-026 PROFILING-MACHINE SET-UP OPERATOR II (machine shop) alternate titles: cam-milling-machine operator; die-sinking-machine operator; profiler
Sets up and operates profile milling machine equipped
with built-in or attached tracing mechanism that guides cutting tool in parallel relationship to
stylus to mill two-dimensional scale profiles from models, according to specifications: Examines
layout or workpiece, blueprints, and work order to ascertain type of tooling required and finished
dimensions of workpiece. Positions and secures workpiece and template or model on machine
table, using clamp, vise, blocks, measuring instruments, and wrenches. Selects and inserts
specified stylus and cutting tool, using handtools. Starts machine, turns controls to change speed
of cutting tool, directional movement of stylus, and automatic feed rate to ensure conformance of
milled workpiece to specifications. Verifies conformance of workpiece, using dial and surface
gauges, templates, calipers, and micrometers. Removes milled workpiece and template or model
from machine table. May mill nonmetallic materials. May turn lever to start flow of coolant or
lubricant on machining area. May manually move stylus to mill workpiece.
605.382-030 ROTARY-HEAD-MILLING-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates vertical milling machine with
spindle mounted within larger rotary head so that rotating cutter can move anywhere within
given circle to mill complex shapes, such as arcs and tangents, without changing position of
workpiece or machine table. Computes dimensions of shapes to be milled and successive
positions of cutter in relation to rotary head, using knowledge of shop mathematics. Moves
controls to position and move cutter in computed directions to mill specified shapes.
605.382-034 ROUTER OPERATOR (any industry)
Sets up and operates routers, such as pin, horizontal, and
radial arm, to cut, trim, slot, scarf, chamfer, profile, and shape metallic and nonmetallic
materials, parts, castings, and tooling, according to specifications and knowledge of machine
routing procedures: Reads work order, tooling instructions, blueprints, sketches, or other
specifications to determine machining information, such as material needed, sequence of
operations, quantity, tolerances, and dimensions of finished parts. Installs machine accessories,
such as pins, collars, cutting tools, blocks, templates, and router boards, using handtools and
power tools. Positions and secures parts or materials on machine, using bolts, clamps, or other
fasteners. Adjusts controls to regulate speed of cutting tool, depth of cut, and flow of air, coolant,
and lubricant. Starts machine and guides material against cutting tool or cutting tool against
material. Verifies conformance of finished workpiece to specified tolerances, using precision
measuring instruments. Observes machine operation and reports malfunctions to supervisor. May
engage automatic feed of material. May record production output. May mark reference points on
workpiece. May use milling cutters in router to shape parts. May operate specific type router and
be designated Router Operator, Pin (aircraft mfg.) or Router Operator, Radial (aircraft mfg.).
605.382-038 SHAPER SET-UP OPERATOR, TOOL (machine shop) alternate titles: shaper machine hand; shaper operator; shaping-machine operator
Sets up and operates one or more shapers that reciprocate
bar tool against stationary workpiece to plane, shape, or groove metal workpieces, such as
machine, tool, or die parts, according to specifications and knowledge of shaping operations:
Studies blueprint, dimensioned sketch, or layout on workpiece, and plans sequence of operations.
Positions and secures workpiece in vise or directly on machine table, manually or with hoist,
using clamps or holding fixture. Verifies position with such instruments as dial indicator,
thickness gauges, and surface gauge. Selects cutting speed, length of stroke, depth of cut, and
cutting tool to be used, according to knowledge of metal properties and shop mathematics.
Positions and secures cutting tool in toolpost. Turns handwheels to position tool and workpiece
in relation to each other and to feed reciprocating tool to workpiece, or engages automatic feed.
Verifies conformance of shaped workpiece to specifications within prescribed tolerances, using
micrometers, calipers, and gauge blocks. Turns valve handle to direct flow of coolant against tool
and workpiece. May shape contours by intermittently turning handwheel to feed tool to curved
layout line while watching cutting action. May compute angles and manipulate controls to tilt
table or toolhead of universal shaper for angular or taper shaping. May sharpen tools, using
$T3bench grinder.$T1 May shape nonmetallic materials. May record production output.
605.382-042 THREAD-MILLING-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates thread-milling machine to mill
threads on external and internal surfaces of metal workpieces, applying knowledge of thread
types and thread-milling methods: Studies blueprints, charts, drawings, and work orders to
determine pitch and depth of thread, and type of tooling specified. Lifts workpiece to fixture and
bolts or clamps it in place, using handtools. Selects and inserts cutting tool in machine spindle.
Sets and adjusts speed of cutting tool and feed rate of workpiece. Positions cutting tool and
workpiece to computed angles, and installs gears, cams, and stops to control multiple movements
of workpiece and cutting tool. Starts machine and inspects workpiece during and on completion
of milling operation, using measuring instruments, such as thread gauge and thread
$T3measuring wires.$T1 Removes milled workpiece from fixture. May compute thread
dimensions, using standard formulas.
605.382-046 NUMERICAL-CONTROL ROUTER OPERATOR (aircraft mfg.; electron. comp.)
Sets up and operates numerical control router machine to
rout (cut) parts, such as individual printed circuit boards (PCB's) from printed circuit panels or
metal workpieces from sheet metal stock: Reviews setup instructions and specifications. Loads
control media into computer console or enters commands to retrieve programmed control data.
Selects and installs specified cutting tools into machine spindle or magazine. Positions and
secures materials onto $T3indexing$T1 table of machine. Enters commands to activate machine
that automatically aligns indexing table and panels or metal stock under tool spindle and routs or
notches materials, according to programmed instructions. Monitors machine operation and
display readouts to detect malfunction. Measures dimensions of finished parts to verify
conformance to specifications, using precision measuring instruments. Notifies supervisor of
machine malfunction or when parts do not conform to specifications. Cleans machine, using
solvent, rag, and airhose. May perform maintenance and replace worn or damaged cutting tools,
using handtools.
605.482-010 STEEL-WOOL-MACHINE OPERATOR (nonmet. min.)
Sets up and operates machine that automatically shaves
steel wires to form steel wool: Installs specified cutting tools in machine toolholder, using
handtools. Turns controls to adjust speed and depth of cut according to cutting specifications.
Starts machine and threads wire stock through automatic feed mechanism. Places cut ribbons of
wire (steel wool) on machine rollers which carry them to catch basin. Ties broken ribbons.
Replaces worn tools to maintain product quality. May operate steel wool balling, padding, and
polyethylene extruding machines to produce soap-impregnated steel wool pads and polyethylene
foam-backed, soap-impregnated steel wool pads.
605.682-010 BARREL-RIB MATTING-MACHINE OPERATOR (ordnance)
Sets up and operates planer-type machine to cut matting
(knurling) on $T3sighting ribs$T1 of shotguns to improve appearance and reduce glare: Attaches
holding fixtures and matting tools on machine and clamps rib, or barrel with rib attached, in
fixture, using handtools. Depresses lever to position cutting tool in relation to rib, and starts
machine which moves rib under stationary tool. Maintains even pressure on lever to obtain
smooth cut. Turns adjustment knob after each pass to increase depth of cut. Removes rib from
holding fixture. May shim fixture to level workpiece. May hone surface of rib to remove burs.
605.682-014 BROACHING-MACHINE OPERATOR, PRODUCTION (machine shop) alternate titles: broach operator; production broacher
Operates one or more previously setup broaching
machines to broach internal or external surfaces of metal workpieces to specifications, on
production basis: Examines blueprints or work order to determine finished specifications of
workpiece. Lifts workpiece manually or using hoist, and places and secures it in holding fixture,
using handtools. Starts machine, observes operation, and verifies conformance of broached
workpieces to specifications, using measuring instruments, such as fixed gauges, calipers, and
micrometers. Moves controls to adjust cutting speeds. Changes worn broaches. May aid
MACHINE SETTER (machine shop) 600.360-014 in setting up machine. May place workpiece
on spindle of revolving turntable which automatically feeds broached workpiece to power
conveyor.
605.682-022 SCALPER OPERATOR (nonfer. metal) alternate titles: scalp-machine operator
Sets up and operates scalper (milling) machine to mill
defects from surfaces of ingot to prepare it for rolling: Adjusts scalper blades to depth of cut
required and positions holding jaws to width of ingot, using handwheel, setscrews, and
handtools. Lifts ingot from skid to entry table, using hoist. Starts lifting table that positions ingot
in jaws of machine carriage. Starts machine to make first cut. Releases ingot from carriage,
inverts ingot, using roller manipulators, and repositions it in carriage for second cut, using button
controls. Cleans machine lubricant from scalped ingot with squeegee. Stacks scalped ingots on
skid. May record weight of ingot on production form.
605.682-026 TOOTH CUTTER, ESCAPE WHEEL (clock & watch)
Sets up and operates semiautomatic tooth-cutting
machine to shape teeth on watch escape wheels: Positions stack of blanks on arbor, inserts and
locks arbor in machine spindle, and starts machine which automatically stops at end of cycle.
Removes wheel from machine and verifies dimensions of wheel diameters in ring go-not-go
gauge. Examines wheel under toolmaker's microscope and compares its blown-up shadow with
scale drawing on projector screen to determine if wheel conforms to specified tolerances. Adjusts
machine, using handtools, to correct for size and dimensions until parts are within tolerances, or
to accommodate different size wheels. May operate bank of milling machines. May be
designated according to type of wheel cut as Tooth Cutter, Contact Wheel (clock & watch).
605.682-030 WHEEL CUTTER (clock & watch)
Operates machine to cut teeth in clock and watch wheels:
Clamps wheel blank in chuck of dividing head of machine. Mounts and adjusts cutting tools of
specified sizes in turret. Starts motor, causing turret to rotate tool that cuts out groove in wheel.
Turns turret to successively blank and cut groove to specified depth and width, using different
sized tools. Verifies depth and width of cut, using precision gauges, and quality of cut, using
jeweler's loupe.
605.682-034 ROUTER, PRINTED CIRCUIT BOARDS (electron. comp.)
Operates routing machine to cut and shape individual
printed circuit boards (PCB's) according to specifications: Positions and secures PCB's between
dies or on templates. Positions secured PCB on router platform to align connector edges with
machine cutter. Adjusts cutter spindle, using wrenches, and installs cutter of specified size on
spindle. Flips switch to activate routing machine. Turns calibrated dials on routing machines to
specified markings on dials to adjust milling dimensions of router. Manually guides edges of
board against cutter to rout connector edges. Measures dimensions of board, using vernier
calipers, to verify that board is routed according to specifications. Separates dies or removes
template from PCB. May operate shearing machine to separate PCB from panels. May operate
slotting machine to mill slots in PCB's.
605.685-010 BARREL RIFLER (ordnance) alternate titles: barrel-rifler operator
Tends battery of machines that cut spiral grooves into
bores of artillery and small arms weapons by either of following methods: (1) Inserts barrel in
collet of machine and button in hole of push rod attachment on machine. Starts machine to rotate
barrel and feed it over button to impress grooves in bore. (2) Locks broach or hook cutter in
drawing head and barrel in $T3indexing$T1 head of broaching machine, using wrenches. Moves
levers to regulate automatic feed and to cut rifling to specified depth and twist. Cleans bore,
using cleaning rod and patch, and examines bore for burrs and scratches. Measures rifling for
conformance to specifications, using dial and depth gauges. May be designated according to type
of rifling tool used as Barrel Rifler, Broach (ordnance); Barrel Rifler, Button (ordnance); Barrel
Rifler, Hook (ordnance).
605.685-014 FILE CUTTER (cutlery-hrdwr.)
Tends machine that forms burrs (teeth) on surface of file
blanks: Adjusts cutting tool in reciprocating arm of machine to obtain burrs of specified height.
Positions blank in jig geared to reciprocating arm for automatic burr spacing. Starts machine that
automatically feeds blanks to cutting tool.
605.685-018 HOOKING-MACHINE OPERATOR (clock & watch)
Tends battery of automatic hooking machines that mill
hooks (recess on edge of which end of mainspring is secured) in barrel arbors: Loads sleevelike
feeding magazines with arbors, using tweezers. Inserts magazine in machine and engages power.
Verifies depth of specified number of hooks by measuring diameter of arbor including hook as
well as diameter in recess adjacent to hook. Makes adjustments to machine, such as turning
setscrews to change depth of hook.
605.685-022 JEWEL STRIPPER (clock & watch)
Tends automatic machine that cuts jewel settings to
specified thickness and bevels corners. Places hopper in automatic feed. Measures thickness of
stripped settings with dial indicator, and inspects finished work for appearance.
605.685-026 LEVER MILLER (clock & watch)
Tends milling machine that cuts edges of watch levers:
Pulls handle to clamp levers in special machine fitting. Turns controls to bring work into contact
with cutting tool. Pulls handle to release clamp, and removes milled levers. Verifies conformity
of levers to specifications, using gauge.
605.685-030 MILLING-MACHINE TENDER (machine shop)
Tends milling machines that mill surfaces of metal
workpieces according to specifications: Positions and secures workpiece in fixture or feeding
device. Starts machine, and turns handwheel to feed workpiece to cutter or vice versa, or engages
automatic feeding mechanism. Turns valve handle to direct flow of coolant against cutter and
workpiece. Observes machine operation, and removes and inspects machined workpiece to verify
conformance to specifications, using instruments, such as gauges, calipers, micrometers, and
templates. May change worn cutters, using wrenches. Records production output. May tend
machine that mills workpiece according to programmed cycle. May turn controls to adjust feed
rate of workpiece or speed of cutting tool. May mill nonmetallic materials.
605.685-034 PLANING-MACHINE OPERATOR (clock & watch)
Tends semiautomatic planing machine that cuts off
excess metal and imparts smooth surface to such watch parts as balance cocks and train bridges:
Places single part in chuck of machine, depresses pedal to close chuck, trips starting handle, and
observes machine which planes piece and ejects it from chuck at end of cycle. Measures
thickness of parts with dial indicator.
605.685-038 PROFILING-MACHINE OPERATOR (clock & watch) alternate titles: recessing-machine operator
Tends battery of previously set-up profiling machines
that trace templates to cut recesses in watch plates and chamfer edges, undercutting metal to form
partially hidden recesses, in watch parts, such as pillar plates and train bridges: Blows metal
shavings and dust from work plate, using air compressor. Fits blanks over protruding pins of
chuck or in nest of work plate and pulls lever to clamp them in place. Starts machine and loads
second machine while first is operating. Depresses pedal to eject workpiece or directs air blast to
blow workpiece into catch pan after machine stops at end of cycle. Verifies thickness of metal
below recess, and contour of recess, using jeweler's loupe and precision gauges. Important
variables may be indicated by trade name of machine used.
605.685-042 SCRIBING-MACHINE OPERATOR (cutlery-hrdwr.)
Tends machine that inscribes graduations in metal surface
of measuring tools, such as carpenter's steel squares and rules, and machinist's scales: Slides
workpiece into spring clamp on machine carriage. Starts machine that scribes graduations along
length of tool by automatic $T3indexing$T1 of multiple scribing points or cutters. Removes
scribed tool at end of cycle and examines and compares it with master scale to verify legibility
and accuracy of graduations.
605.685-046 SQUARING-MACHINE OPERATOR (clock & watch)
Tends battery of automatic squaring machines that mill
(file) flat round sides of engaging portions of winding stems and barrel arbors: Loads sleevelike
feeding magazines with stems or barrels, using tweezers. Inserts magazine in machine and starts
machine. Inspects parts, using loupe, to see that square is centered on stem (sides are milled flat
leaving rounded corners). Gauges squares in go-not-go gauge.
605.685-050 TOOTH CUTTER (clock & watch)
Tends battery of semiautomatic milling machines to cut
teeth in clock and watch parts, such as barrels, pinions, wheels, and clutches: Slides stack of
wheel or pinion blanks on fluted arbor, clamps on holding collar, inserts arbor into machine
chuck, and clamps in place, using pedal, or opens work holder and inserts barrel or pinion blanks
into holder, using tweezers. Pushes lever to start machine which automatically indexes and cuts
teeth around periphery of blanks. Loads remaining machines. Removes arbor or individually
machined parts from milling machine which automatically stops at end of cycle. Verifies shapes
of tooth and quality of cut, using jeweler's loupe, thickness of tooth, using jaw gauge, outside
diameter of part, using go-not-go gauge, and length of part, using upright gauge. May adjust
machine when machined product does not conform to standards. May clamp arbor in machine
chuck manually. May be designated according to type of machine used as Tooth Cutter, Hobbing
Machine (clock & watch); or according to type of tooth cut as Tooth Cutter, Clutch (clock &
watch); Tooth Cutter, Pinion (clock & watch); Tooth Cutter, Spur (clock & watch).
605.685-054 ROUTER MACHINE OPERATOR (plastic prod.)
Tends routing machine that trims edges of plastic drafting
scales: Places and secures router tool in chuck. Places and clamps scale on holding pin of routing
machine conveyor belt. Starts machine and observes movement of scale under router. Removes
trimmed scale from conveyor and inspects completed work to maintain establishment standards.
May tend routing machine that re-routes graduation lines removed accidentally during previous
operations and be known as Rework Machine Operator (plastic prod.).
606 BORING OCCUPATIONS
This group includes occupations concerned with piercing metal by means of rotary cutting tools advanced into the material in the direction of the tool's axis to make, enlarge, or thread holes. The piercing of nonmetallic materials, except wood, is also included when the methods and machine tools commonly applied to the machining of metal are used.
606.280-010 BORING-MACHINE SET-UP OPERATOR, JIG (machine shop) alternate titles: jig-borer
Sets up and operates jig borer to perform machining
operations, such as boring, drilling, reaming, and $T3counterboring$T1 holes in metal
workpieces, such as jigs, fixtures, gauges, and dies, according to specifications, applying
knowledge of metal properties, tooling, and precision machining: Studies machining instructions,
such as job order, blueprint, process sheet, or layout on workpiece to determine dimensional and
finish specifications, sequence of operation, setup, and tooling requirements. Lifts workpiece
either manually or with hoist onto machine table. Positions and secures workpiece on table with
bolts, clamps, shims, or other holding devices, using machinist's handtools. Verifies parallelism
of reference lines on workpiece to axis of table motion, using dial indicator mounted in spindle.
Establishes zero reference point on workpiece, such as at intersection of two edges or over hole
location. Turns handwheel to adjust machine table to align spindle over point, using dial
indicator. Sets table-position dial at zero; measures all machining locations from this zero point.
Selects and sets cutting speeds, feed rates, depth of cut, and cutting tool according to machining
instructions or knowledge of metal properties. Installs tool in spindle. Turns handwheels to lower
tool to workpiece and engages automatic feed. Turns valve and directs flow of coolant or cutting
oil over cutting area. Verifies location and dimensions of holes, using measuring instruments,
such as dial indicator, gauge blocks, $T3telescoping gauge$T1 and internal micrometer. Works
to tolerances as close as plus or minus 0.0001 inch. May work only from blueprint. May lay out
reference lines and machining locations on workpiece, according to blueprint, using layout tools,
such as rule, divider, and scriber, applying knowledge of shop mathematics and layout
techniques. May fasten workpiece in holding fixture mounted on machine table or clamp jig or
template in position on workpiece. May operate machine manually throughout first piece
operation to verify accuracy of setup. May sharpen tools on $T3bench grinder.$T1
606.280-014 BORING-MILL SET-UP OPERATOR, HORIZONTAL (machine shop) alternate titles: horizontal-boring-drilling-and-milling-machine operator; horizontal-boring-mill operator
Sets up and operates horizontal boring, drilling, and
milling machine to perform machining operations, such as milling, drilling, boring, and reaming
metal workpieces, such as machine, tool, or die parts, analyzing specifications and deciding on
tooling according to knowledge of shop mathematics, metal properties, and machining
procedures: Studies machining instructions, such as job order, blueprint, process sheet, or layout
on workpiece to determine machining required, sequence of operation, tooling, feed, and speed
rate, applying knowledge of materials and machining. Lifts workpiece either manually or with
crane or hoist onto machine table or directs MONORAIL CRANE OPERATOR (any industry) to
put workpiece on machine table. Positions and secures workpiece to table or angle plate, using
clamps, shims, and parallel blocks and verifies position with such instruments as dial indicators,
gauge blocks, and height gauges. Selects and mounts tool in spindle. Moves controls to set feeds,
speeds, and depth of cut, and to position tool and workpiece in relation to each other, verifying
position visually, with instruments, such as thickness gauges, and by reading dials. Starts
machine and observes operation, making one or more trial passes with manual control before
engaging feed. Verifies dimensions of machined workpiece with such measuring instruments as
micrometers, $T3telescoping gauges,$T1 vernier calipers, and dial indicators. Works to tolerance
of plus or minus 0.001 inch. May use precision positioning devices, such as dial indicators
mounted on machine troughs with standard length rods and work to tolerance as close as plus or
minus 0.0001 inch. May operate tracing attachment to duplicate contours from templates or
models. May operate machine with automatic positioning controls. May lay out reference lines
and machining locations on workpiece, according to blueprints, using layout tools, such as rule,
divider, and scriber, applying knowledge of shop mathematics and layout techniques. May
operate $T3bench grinder$T1 to sharpen tools. May set up and operate vertical boring mill and
be designated Boring-Mill Set-Up Operator, Vertical (machine shop). Important variations may
be indicated by trade names of machine used.
606.362-010 DRILL-PRESS OPERATOR, NUMERICAL CONTROL (machine shop)
Sets up and operates numerically controlled drill press
that automatically performs machining operations such as drilling, reaming, countersinking,
$T3spot-facing,$T1 and tapping of holes in metal workpieces, according to specifications, setup
instructions, and knowledge of machining: Studies blueprints or setup instructions to determine
dimensional specifications, setup requirements, and work procedure. Installs workpiece holders,
such as blocks, risers, and clamps, on $T3indexing$T1 table of machine, using machinist
handtools. Lifts workpiece manually or with hoist and positions and secures it on machine table
or in holding fixture with clamps and bolts. Installs cutting tools in tool magazine, turret, or
spindle of machine. Inserts programmed tape or punched card in tape or card reader of control
unit. Actuates machine that automatically positions indexing table containing workpiece under
spindle, selects tool, and machines part according to programmed instructions. Stops machine
after trial run and inspects machined workpiece to ensure conformance to blueprint
specifications, using fixed gauges, dial indicators, micrometers, and calipers. Monitors machine
operation and display panel of control unit for indications of malfunction. Notifies supervisor if
machined workpiece does not conform to specifications or if machine malfunctions. May make
manual adjustments, such as aligning workpiece on machine table, changing cutting tools, or
setting cutting speed, feed rates, and depth of cut. May occasionally operate machine in
semiautomatic mode by setting selector switch and manually dialing in data according to oral or
written instructions to machine relatively simple pieces.
606.380-010 DRILL-PRESS SET-UP OPERATOR, MULTIPLE SPINDLE (machine shop) alternate titles: gang-drill-press operator; multiple-spindle-drilling-machine operator
Sets up and operates multiple-spindle drilling machine to
perform simultaneously or in sequence machining operations, such as drilling, reaming,
countersinking, $T3spot-facing,$T1 and tapping of holes in metal workpieces, according to
specifications, tooling instructions, standard charts, and knowledge of machining procedures:
Reads blueprint or job order for product specifications, such as hole locations and dimensions,
and tooling instructions, such as drilling jigs, holding fixtures, feed rates, cutting speeds, and
cutting tools to be used. Places workpiece in fixture or positions it on machine table, and secures
it with clamps. Mounts cutting tools in spindles. Positions and secures specified drilling jig and
moves controls and positions spindles to align tools with guide bushings in jig. Sets stops to
control depth of cut. Moves controls to set cutting speeds and feed rates, and regulate flow of
coolant. Engages power feed and observes machine operation. Periodically verifies conformance
of machined work to specifications, using such measuring instruments as calipers, micrometers,
and fixed gauges. May machine plastics or other nonmetallic materials. May tilt table or spindles
to machine holes at specified angles.
606.380-014 DRILL-PRESS SET-UP OPERATOR, RADIAL (machine shop)
Sets up and operates $T3radial drill press$T1 to perform
drilling and other machining operations, such as boring, reaming, and tapping holes in metal
workpieces, such as castings, forgings, and weldments, according to specifications, machining
instructions, and knowledge of machining: Studies specifications and machining instructions,
such as job order, blueprint, process sheet, or layout on workpiece, to determine hole locations
and size and setup requirements, including tooling, feed rates, and cutting speeds. Plans sequence
of operation, determines suitable work holding arrangement, and fastens holding fixture or jig on
machine base to hold workpiece and guide cutting tool. Lifts workpiece manually or with hoist
and positions and secures it on machine base or in fixture or jig with clamps and bolts. Verifies
position with surface gauges and height gauges. Selects cutting tool, installs it in machine
spindle, and moves controls to set cutting speeds and feed rates, according to machining
instructions or knowledge of metal properties. Operates controls to swing radial arm over
workpiece, position cutting tool over hole center location, engage power feed, and to advance
tool into workpiece. Turns valve handle to start flow of cutting oil and coolant against cutting
tool and workpiece. Observes machining operation and periodically verifies conformance of
machined workpiece to specifications, using measuring instruments, such as $T3telescoping
gauges,$T1 dial indicators, and micrometers. May measure, mark, and scribe reference lines and
hole locations on workpiece, according to blueprint, using layout tools, such as rule, divider, and
scriber, applying knowledge of shop mathematics and layout techniques. May operate
universal-type machine, computing and setting angles of tilting spindle. May work on
nonmetallic materials. May sharpen cutting tools, using $T3bench grinder.$T1
606.380-018 DRILL-PRESS SET-UP OPERATOR, RADIAL, TOOL (machine shop)
Sets up and operates $T3radial drill press$T1 to perform
drilling and other machining operations, such as boring, reaming, and tapping of holes in metal
workpieces, such as machine, tool, or die parts, usually on custom basis, analyzing specifications
and deciding on tooling according to knowledge of machining: Studies blueprint or layout on
workpiece and plans sequence of operations. Selects method of holding workpiece. Positions and
secures workpiece onto machine table, using such devices as shims, blocks, and $T3planer
gauges.$T1 Verifies position with surface gauges and height gauges. Selects cutting speeds, feed
rates, and tool for each operation, according to knowledge of metal properties and shop
mathematics. Positions and secures tool in spindle. Swings radial arm and moves controls to
position spindle and tool along arm over hole center location, to set feeds and speeds, to feed tool
in workpiece, and to engage feed. Turns valve handle to direct flow of coolant or cutting oil
against tool and workpiece. Observes operation and regulates tool position and action. Verifies
hole location and dimensions, using measuring instruments, such as $T3telescoping gauges,$T1
micrometers, and dial indicators. May measure, mark, and scribe workpiece. May operate
universal-type machine, computing and setting angles of tilting spindle. May work on
nonmetallic materials. May operate $T3bench grinder$T1 to sharpen tools.
606.382-010 DRILLER-AND-REAMER, AUTOMATIC (musical inst.)
Operates automatic reamer to ream and mill drilled holes
in clarinet posts: Secures reaming tool in chuck of machine. Positions hole over reamer and
reams as specified. Secures mill shaft in machine chuck. Mounts mill on end of mill shaft. Mills
clarinet post flat on each side of reamed hole to specified tolerances. Verifies milling with
go-not-go gauge.
606.382-014 JIG-BORING MACHINE OPERATOR, NUMERICAL CONTROL (machine shop)
Sets up and operates numerically controlled jig-boring
machine to perform machining operations, such as boring, drilling and counter-sinking holes in
metal workpieces according to specifications and setup instructions, applying knowledge of
metal properties and machining methods: Studies blueprints and setup instructions to determine
machining required, dimensional specifications, and work procedures and methods. Installs
work-holding devices, such as blocks and clamps on $T3indexing$T1 table of machine, using
handtools. Lifts workpiece manually or with hoist and positions and secures it on machine table
or in holding device. Inserts cutting tool in spindle of machine. Inserts punched card or loads
perforated or magnetic tape containing programmed instructions into reader of control unit.
Pushes button to zero indexing table and console at established locating point. Sets conventional
cams, stops, and dial-type switches on machine head as indicated on setup instructions if
machine spindle is not under numerical control. Actuates machine that automatically positions
indexing table containing workpiece under spindle and machines part according to programmed
instructions. Inspects and measures dimensions of machined workpiece to verify conformance to
specifications and shop standards, using precision measuring instruments, such as precision
gauges, dial indicators, micrometers, and calipers. Monitors machine operation and display panel
of control unit for indications of malfunctions. Notifies supervisor if machined workpiece does
not conform to specifications or if machine malfunctions. May make manual adjustments, such
as setting cutting speed, feed rate, and depth of cut. May operate machine in semiautomatic mode
by setting selector switch and manually dialing in data according to oral or written instructions to
machine relatively simple pieces. May operate machine as inspection machine in manner similar
to normal operations by inserting precision measuring instrument in spindle and moving machine
through cycle under automatic or manual mode to indicate deviations from prescribed tolerances.
606.382-018 NUMERICAL-CONTROL DRILL OPERATOR, PRINTED CIRCUIT BOARDS (electron. comp.)
Sets up and operates numerical-control drilling machine
to drill holes into printed circuit boards (PCB's): Reviews setup instructions and specifications.
Loads control media containing programmed commands into control console of machine or
enters commands to retrieve programmed control data. Attaches depth collars to drill bits and
measures bit depth, using depth gauge, to verify specified drill bit cutting depth. Measures drill
bit sizes, using micrometer, and installs specified drill bits in tool magazine of machine.
Positions and secures PCB's to $T3indexing$T1 table of machine. Enters commands to activate
machine that automatically aligns indexing table and printed circuit boards under spindle, selects
drill bit, and drills holes of specified dimension, location, and sequence into PCB's. Monitors
machine operation and display readouts to detect malfunctions. Compares display data to
specifications and notifies supervisor of machine malfunctions. Inspects and measures drilled
PCB's to verify conformance to specifications, using measuring devices, such as micrometer,
plug gauges, and test board. Performs machine adjustments and maintenance, such as setting
speed and feed rates, cleaning machine parts, and replacing worn or damaged drill bits, using
handtools.
606.382-022 BORING-MACHINE OPERATOR (machine shop)
Sets up and operates boring machines to bore, drill, tap,
spot face, groove, mill, or ream metal workpieces according to specifications, tooling
instructions, and standard charts, applying knowledge of boring procedures and machining
methods: Reads blueprint or job order for product specifications, such as hole locations and
dimensions, and tooling instructions, such as fixtures, feed rates, cutting speeds, and cutting tools
to be used. Positions and secures cutting tool in toolholder, and toolholder in spindle. Lifts and
positions workpiece, manually or using hoist, and secures workpiece in machine table fixture,
using wrenches and clamps. Moves controls to position tool in relation to workpiece, and to set
feed rate, cutting speed, and depth of cut. Starts machine, moves controls to feed tool against
workpiece, or to engage automatic feeding device. Turns valve handle to direct flow of coolant
onto cutting area. Observes machine operation, and removes and inspects machined workpiece to
verify conformance to specifications, using instruments, such as fixed and air gauges, calipers,
and micrometers. May compute cutting speeds, feed rates, and dimensions, using standard charts
and shop mathematics.
606.382-026 ROBOTIC MACHINE OPERATOR (aircraft mfg.) alternate titles: industrial robot operator
Sets up and operates industrial robot to drill, countersink,
and counterbore metallic and nonmetallic workpieces used to manufacture aircraft parts or
tooling, according to specifications and preprogrammed machine control instructions: Reads
work order and specifications to determine prescribed setup and operation. Mounts and positions
workpiece on locating pins of holding fixture adjacent to robot, manually or using hoist, and
aligns and secures workpiece on holding fixture, using template, bolts, handtools, and power
tools. Installs specified type and size drill bits in $T3end effectors$T1 and places end effectors in
holding station adjacent to robot. Loads cassette tape of machine instructions into machine
controller or enters commands to retrieve preprogrammed instructions from mainframe
computer. Pushes button or enters commands to activate robot that automatically retrieves and
secures designated end effector on robot arm and positions arm for drilling. Operates robot to
drill holes in test specimen and measures holes for conformance to specifications, using
measuring instruments. Obtains written approval of test specimen from quality control inspector.
Enters commands to start robot, observes robotic operation, and monitors screen of machine
controller for malfunctions and error messages. Changes worn drill bits or adjusts machine
according to error message instructions. Inspects finished workpiece for conformance to
specifications. Notifies supervisor of numerical control programming problems. Cleans parts,
tools, and fixtures, using solvents and rags. May drill holes in parts manually, using drill motor.
May perform machine maintenance. May set up and operate robot to perform additional machine
operations, such as sealing and fastener installation, to join component parts into complete
assembly and be designated Assembly Line Robot Operator (aircraft mfg.).
606.682-014 DRILL-PRESS OPERATOR (machine shop) alternate titles: production-drilling-machine operator
Operates previously set up drilling machines, such as
single- or multiple-spindle drill presses to drill, ream, countersink, spot face, or tap holes in metal
or nonmetal workpieces according to specifications: Lifts workpiece manually or with hoist, and
positions and secures it on machine table in drilling jig or holding fixture. Moves machine
controls to feed tools into workpiece, and engages automatic feed. Observes machine operation,
and verifies conformance of drilled workpiece to specifications, using fixed gauges, calipers, and
micrometers. Changes worn cutting tools, using wrenches. Moves controls to adjust cutting
speeds, feed rates, and depth of cut. May assist MACHINE SETTER (machine shop)
600.360-014 in setting up machine. May sharpen cutting tools, using $T3bench grinder.$T1 May
perform minor assembly, such as fastening parts with nuts, bolts, and screws, using power tools
and handtools. May be designated according to product as Barrel Reamer (ordnance); or function
of machine as Reamer Operator (machine shop); Tapper Operator (machine shop).
606.682-018 DRILL-PRESS SET-UP OPERATOR, SINGLE SPINDLE (machine shop)
Sets up and operates single-spindle drill press to perform
such machining operations as drilling, countersinking, $T3spot-facing,$T1 and tapping holes in
metal workpieces, according to specifications, tooling instructions, standard charts, and
knowledge of machining procedures: Reads blueprint or job order and tooling instructions for
specifications, such as hole locations and size, feed rates, cutting speeds, and cutting tools to be
used. Secures specified tool in spindle. Lifts workpiece manually or with hoist, places it in
fixture or jig or on machine table, and secures it with clamps or holds it in position under spindle.
Moves controls to set cutting speed, feed rate, and depth of cut. Engages power or automatic feed
or manually operates feed lever to feed tool to specified depth in workpiece. Turns valve handle
to start flow of coolant against tool and workpiece or dips tool in cutting oil prior to mounting.
Verifies conformance of machined workpieces to specifications, using such measuring
instruments as calipers, micrometers, and fixed gauges. May position and secure drilling jig to
guide cutting tool. May tilt table or spindle to machine holes at specified angles. May work on
nonmetallic materials. May measure, mark, scribe, and center punch workpieces to mark hole
locations.
606.682-022 TAPPER OPERATOR (nut & bolt)
Sets up and operates one or more automatic tapping
machines to cut internal threads in nut blanks: Installs specified tap in spindle, using wrench and
rule. Fills feed hopper with nut blanks and starts machine. Measures threaded nuts with gauge
and changes worn taps to maintain specified tolerances. May set up machines for other workers
to operate.
606.685-010 BORING-MACHINE OPERATOR, PRODUCTION (machine shop)
Tends previously set up single- or multiple-spindle
boring machines to perform machining operations, such as boring, $T3counterboring,$T1 and
$T3facing$T1 metal workpieces on production basis: Lifts workpiece manually or with hoist and
clamps it in holding fixtures. Moves machine controls to feed tool into workpiece and engage
feed. Observes machine operation and verifies conformance of bored workpiece to specifications,
using measuring instruments, such as fixed gauges, calipers, and micrometers. Changes worn
tools, using wrenches. May move controls to adjust cutting speeds, feed rates, and depth of cut.
May aid MACHINE SETTER (machine shop) 600.360-014 in setting up machine. May bore or
drill plastics or other nonmetallic materials.
606.685-014 CHAMFERING-MACHINE OPERATOR I (ordnance)
Tends battery of machines that flare mouths of shell cases
to facilitate insertion of bullets: Lubricates and starts each machine and starts flow of compressed
air to cool chamfering tools. Observes cases sliding down feed and discharge tubes, repositioning
any that are out of order. Observes cutting tools in operation to ensure proper functioning and
replaces, sharpens, and resets them as necessary. Examines samples from each machine for burrs,
ragged edges, or scratches and determines that dimensions are within prescribed tolerances, using
variety of gauges and measuring tools.
606.685-018 CHAMFERING-MACHINE OPERATOR II (ordnance)
Tends automatic screw machine that bevels outside edges
of mouth of tracer bullets before they are charged with powder. Observes machine in operation
for malfunctioning and stops machine when bullets are improperly fed, machined, or ejected.
606.685-022 CHOKE REAMER (ordnance)
Tends machine to ream muzzle end of shotgun barrels to
choke bores that control spread of pellets during firing: Reams to specified distances within
barrel bore with rough, finish, and margin (choke) reamers. Visually examines and measures
inside of barrel after reaming to ensure that barrel has been reamed to specified length and
diameter, using plug and dial gauges.
606.685-026 DRILL PRESS TENDER (machine shop)
Tends single- or multiple-spindle drill presses that drill,
tap, ream, or countersink holes in metal workpieces according to specifications: Lifts workpiece
manually, or using hoist, and positions and secures workpiece in drilling jig or fixture on
machine table, using clamps and wrenches. Starts machine and feeds workpiece to cutter or vice
versa, or engages automatic feeding mechanism. Turns valve to direct flow of coolant and cutting
oils over cutting area. Observes operation and releases lever or turns handwheel to raise cutting
tool from workpiece when machining is completed. Inspects or measures machined workpiece
for conformance to specifications and shop standards, using instruments, such as fixed, plug,
depth, and thread gauges, calipers, micrometers, and templates. Changes worn cutting tools,
using wrenches. May machine plastics or other nonmetallic materials.
606.685-030 DRILLING-MACHINE OPERATOR, AUTOMATIC (clock & watch)
Tends one or more semiautomatic machines that perform
machining operations, such as drilling, boring, tapping, and chamfering holes in clock or watch
parts, such as balance wheels, watch plates, and bridges: Positions and clamps part to machine
table under cutting tool or inserts part in machine nest, chuck, or over positioning pins in spindle.
Depresses pedal or moves controls to start machine that automatically machines part to
specifications. Removes part from machine at completion of cycle or activates control that ejects
part from machine. Inspects and measures part for conformance to specifications, using loupe
and fixed gauges. Changes and replaces worn or broken tools. Cleans metal chips from machine
with brush or airhose. Notifies supervisor when machine malfunctions. May tend battery of one
kind of machine which may be set up to perform one or several different operations. Workers
may be designated according to machine tended or operation performed as
Balance-Wheel-Screw-Hole Driller (clock & watch); Boring-Machine Operator (clock & watch);
Chamfering-Machine Operator (clock & watch); Reamer (clock & watch); Tapping-Machine
Operator, Automatic (clock & watch).
606.685-034 REAMING-MACHINE TENDER (nonfer. metal)
Tends machine that reams and chamfers brass and copper
tubing and rods to smooth inside edges of tubing and to remove burrs and sharp edges from ends
of tubing and rods: Positions and fastens cutting tool in toolholder and installs funnel-shaped
sleeve on machine through which tubing or rod is guided. Starts machine and inserts tubing or
rod in sleeve to ream part way through tube or chamfer end of tube or rod. Reverses tube or rod
to ream or chamfer opposite end. Changes cutting tool as required, using allen wrench. May pack
tubing and rods into cartons.
607 SAWING OCCUPATIONS
This group includes occupations concerned with severing or shaping metal by the reciprocal or rotary cutting action of a serrated or abrasive-edged blade or disk which wears out a kerf. The severing or shaping of nonmetallic materials, except wood, is also included when the methods and machine tools commonly applied to the machining of metal are used.
607.382-010 CONTOUR-BAND-SAW OPERATOR, VERTICAL (machine shop)
Sets up and operates vertical contour-band saw to cut
straight, curved, irregular, or internal patterns in metal or plastic stock, according to
specifications, utilizing knowledge of sawing techniques: Reads work order or blueprints to
locate cutting layout lines on stock, to determine dimensions and tolerances, and to determine
metal to be cut, type of blade to be used, blade tension, cutting speed, feed rate, table angle, and
positions of table stops and guides. Relieves saw blade support and drive-wheel tension, using
handtools. Places saw blade over wheels and resets tension to change blade and adjust tension.
Turns controls to set prescribed cutting speed, feed rate, and table angle. Loosens table stops and
guides, using handtools, and positions them to align and secure workpiece. Places stock on
cutting table, either manually or using hoist, and clamps it into position. Cuts saw blade, threads
it through hole drilled in stock, welds blade together, using butt-welding attachment, and files
weld smooth to cut internal pattern in stock. Starts saw and manually guides stock along layout
lines to cut pattern, or engages automatic feed to cut straight line. Turns control to start airflow to
blow metal cuttings away from kerf. Verifies conformance to specifications, using ruler, calipers,
fixed gauges, templates, and micrometers. May make precision cuts, using magnifier to see
layout lines. May calculate and mark layout lines, according to product specifications. May be
required to have experience with particular product or size, type or trade name of machine.
607.382-014 SAW OPERATOR (aircraft mfg.)
Sets up and operates power saws to cut, slot, groove,
miter, and trim metallic and nonmetallic workpieces according to specifications: Selects and
installs blade on machine, using handtools. Sets controls to adjust speed, feed rate, and blade
tensions. Positions guides, stops, holding blocks, or other fixtures to secure and direct workpiece,
using handtools and measuring devices. Scribes reference lines on material as guide for sawing
operations, according to blueprints, templates, sample parts, or specifications. Mounts workpiece
in holding device, manually or using hoist. Operates saw to cut along scribed lines. Verifies
dimensions of finished workpiece, using measuring devices. May weld and anneal saw blades.
607.682-010 CUT-OFF-SAW OPERATOR, METAL (machine shop) alternate titles: band-saw operator; circular-saw operator; hack-saw operator; power-saw operator
Sets up and operates metal-sawing machines, such as
hacksaw, bandsaw, circular saw, friction saw, and rubber-disk saw to cut metal stock to
dimensions: Reads job order for specifications, such as material, type, and size of stock, and
dimensions to be cut. Obtains and transfers stock to machine, manually or with hoist. Installs saw
blade and sets blade tension and cutting speed for specified operation. Sets saw blade angle to
obtain desired angle cuts, using wrench. Sets stops and guides to control dimension of cut, using
steel rule and wrenches. Positions and secures stock against stops or in feeding device. Turns
valve to start flow of coolant against cutting area. Starts machine and observes operation.
Measures work for conformance to specifications, using rule. Marks identifying data on
workpiece. Replaces defective cutting blade or wheel, using handtools. May be required to have
experience with custom or production work or with particular material, product, size of
workpiece, or type or trade name of machine and be designated accordingly.
607.682-014 PROFILE TRIMMER (jewelry-silver.)
Operates scroll saw or jigsawing-and-nibbling machine to
cut or trim hollowware items, such as trays, platters and vegetable dishes into specified shape,
performing any combination of following tasks: Marks guidelines on workpiece by tracing from
template or sample hollowware, using pencil or scribe. Selects jigsaw or scroll saw blade
according to intricacy of outline and gauge of metal, and mounts in drive spindle, using wrench.
Starts machine and manually guides workpiece under blade along cutting line to cut workpiece to
specified shape or along edge of ornamentation to trim flash from molded items. Removes saw
blade and installs nibbling punches in spindle and bed of machine. Turns thumbscrew to adjust
depth of stroke to thickness of metal. Starts machine and guides edge of workpiece between
reciprocating punches to smooth and trim along edges of mounts (decorative) trim attached after
jigsawing by SILVERWARE ASSEMBLER (jewelry-silver.). May file burrs and rough edges
from workpiece.
607.685-010 CUT-OFF SAW TENDER, METAL (machine shop)
Tends band or circular saw to cut, miter or groove bar,
tube, or sheet metal stock to specified dimensions or shape: Places stock on table or in automatic
feed mechanism. Pulls lever or depresses pedal to lower saw blade and cut stock to size or shape.
Removes cut stock from table and stacks for removal. May stamp identifying marks on stock,
using die and hammer. May work as member of team when cutting structural beams. May assist
in changing saw blades and setting table stops and guides.
607.685-014 DEBRIDGING-MACHINE OPERATOR (nonfer. metal)
Tends debridging machine (circular saw) that cuts metal
bridge from bottom length of cement-filled aluminum extrusions used in manufacturing windows
and doors: Installs cutting blades in machine, using wrenches. Turns controls to set machine
cutting speed, blade height, and feed roller position. Places extrusions on intake conveyor and
guides extrusions into contact with feed roller for automatic cutting. Removes cut extrusion from
off-feed conveyor, and examines exposed cement along cut to detect overlapping metal. Adjusts
machine settings to remove metal according to company standards. Stacks extrusions on cart and
places cardboard sections between layers.
607.686-010 MAGNESIUM-MILL OPERATOR (nonfer. metal)
Feeds magnesium bar stock into milling machine for
grinding into powder: Saws bar stock into sections, places sections in jig of milling machine, and
turns handwheel to feed sections to milling cutter. Collects cuttings with air suction hose and
dumps them into grinding mill. Cleans magnesium scrap from equipment and work area to
eliminate fire hazard.
609 METAL MACHINING OCCUPATIONS, N.E.C.
This group includes occupations, not elsewhere classified, concerned with shaping metal parts or products by removing excess material from stock or objects. Removing excess material from nonmetallic materials, except wood, is also included when the methods and machine tools commonly applied to the machining of metal are used.
609.130-010 MACHINE-SHOP SUPERVISOR, PRODUCTION (machine shop)
Supervises and coordinates activities of workers engaged
in production machining of metallic or nonmetallic workpieces, applying knowledge of machine
shop procedures, machine tool setup and operating techniques, and production machining
methods. May repair machine tools. Performs duties as described under SUPERVISOR (any
industry) Master Title.
609.130-014 SCREW SUPERVISOR (clock & watch)
Supervises and coordinates activities of workers engaged
in fabricating watch screws. Performs duties as described under SUPERVISOR (any industry)
Master Title.
609.130-018 SUPERVISOR (plumbing-heat.)
Supervises and coordinates activities of workers engaged
in polishing, plating, machining, and assembling plumbing fixtures. Sets up and operates
machine shop equipment, such as drill press, lathe, and punch press, to fabricate fixtures.
Performs duties as described under SUPERVISOR (any industry) Master Title.
609.130-022 SUPERVISOR, AUTOMATIC MACHINES (clock & watch)
Supervises and coordinates activities of workers engaged
in setting up automatic machines to drill, ream, tap, chamfer, knurl, countersink, and perform
other operations, to make watch parts, such as balance staffs, pinions, pallet arbors, and winding
stems. Performs duties as described under SUPERVISOR (any industry) Master Title.
609.130-026 WATCH MANUFACTURING SUPERVISOR (clock & watch)
Supervises and coordinates activities of workers engaged
in watch manufacture or assembly, such as hairspring manufacture, balance assembly, or dial
manufacture, applying knowledge of watch manufacturing: Computes labor and machine
requirements based on work schedules, and assigns work accordingly. Sets up machines
[MACHINE SETTER (clock & watch)] and instructs personnel in machine operation. Compares
product with blueprint or other specifications, and makes or directs changes in setup to keep
product within specified tolerances. Performs duties as described under SUPERVISOR (any
industry) Master Title. May supervise workers who are responsible for particular operation or
phase of watch assembly or parts manufacture. May be designated according to operations
supervised as Watch Balance Assembly Manufacturing Supervisor (clock & watch); Watch
Hairspring Manufacturing Supervisor (clock & watch); Watch Metal Dial Manufacturing
Supervisor (clock & watch).
609.131-010 INSPECTION SUPERVISOR (machine shop) alternate titles: inspector, chief; quality-control supervisor
Supervises and coordinates activities of workers engaged
in inspecting materials, tools, workpieces, and products, such as metal stock, cutting tools,
gauges, machine parts, and assembled units for conformance to specifications, products,
inspection instruments, and procedures. May compute relative production and repair costs to
determine salvageability of rejected products. Performs other duties as described under
SUPERVISOR (any industry) Master Title.
609.131-014 SUPERVISOR, MOLD MAKING (glass mfg.)
Supervises and coordinates activities of workers engaged
in making and repairing cast iron molds used to produce bottles and other glass containers:
Refers to machine shop blueprints and specification charts in manual to determine maximum
allowable dimensions for basic type container specified by customer. Studies bottle design
designated by customer and estimates glass shrinkage to calculate loss in capacity due to design.
Computes dimensional corrections for molds to retain designated glass distribution and bottle
capacity. Examines bottles having such defects as improper glass distribution, ridges, and rough
surfaces, to determine if defects are due to mold or faulty production equipment. Receives mold
change orders, and issues instructions for delivery of molds to bottle-making machines. Performs
other duties as described under SUPERVISOR (any industry) Master Title.
609.131-018 SUPERVISOR, MOLD SHOP (glass mfg.)
Supervises and coordinates activities of workers engaged
in machining metal castings used in molding glassware: Pours sulfur mix into rough casting to
obtain plastic model of object to be molded. Verifies dimensions of model against blueprint,
using micrometers and calipers, to determine machining operations required to prepare casting
for use as mold. May operate wood lathe to turn patterns for bottle molds. Performs other duties
as described under SUPERVISOR (any industry) Master Title.
609.132-010 SLAB-CONDITIONER SUPERVISOR (nonfer. metal)
Supervises and coordinates activities of workers engaged
in scalping, sawing, and surfacing of slabs with aluminum to condition aluminum-alloy slabs for
rolling, utilizing knowledge of machining, and conditioning processes and techniques. Performs
duties as described under SUPERVISOR (any industry) Master Title.
609.260-010 GUNSMITH, BALLISTICS LABORATORY (ordnance)
Sets up and operates variety of metalworking machines to
repair and alter guns and gun parts, and develops designs for special devices used in testing small
arms ammunition: Develops designs and fabricates gauges, reamers, holding fixtures, and testing
equipment, such as gun-holding and target-changing devices, cartridge-slicing fixtures, and
special test barrels. May measure velocity of projectiles [CHRONOGRAPH OPERATOR
(ordnance)].
609.262-010 TOOL PROGRAMMER, NUMERICAL CONTROL (electron. comp.) alternate titles: programmer operator, numerical control; soft tooling technician
Operates optical programming (digitizing) equipment to
generate numerical control (NC) tape program used to control NC machine tools that drill, mill,
rout, or notch printed circuit boards (PCB's): Analyzes drawings, specifications, and phototool
(photographic film copy of printed circuit pattern) to determine program input data, such as hole
sizes, tool sizes, reference points, and direction of machine cutting paths, and calculates data,
such as starting point coordinates (location), size of panels or boards, and number of boards per
panel. Draws machine tool paths on phototool, using colored markers and following guidelines
for tool speed and efficiency, to prepare phototool for use as tool programming aid. Aligns and
secures phototool on reference table of optical programmer. Observes enlarger scope of
programmer that projects image of circuit board pattern from phototool. Moves reference table,
following previously marked paths, to align phototool circuit pattern holes with reference marks
on enlarger scope. Depresses pedal or pushes button of programmer to enter coordinates of hole
locations into program memory. Repeats process for each hole location on phototool to enter NC
machine instructions, such as hole locations, machine paths, and reference points. Keys in
additional instructions, such as tool size, machine feed and speed rates, and starting point
coordinates, basing entries on specifications, calculations, and knowledge of machine capabilities
and programming techniques. Types commands on keyboard to generate NC tape. Observes trial
run of NC machine to verify tape program accuracy. Revises NC tape program to eliminate
instruction errors. May operate NC machine tools on production basis.
609.280-010 TRIM-MACHINE ADJUSTER (ordnance) alternate titles: shell-trim tool setter
Sets up battery of machines that trim small arms cartridge
cases and artillery shell cases to specified length: Installs cutters and adjusts stops and cams to
regulate machine stroke and synchronize movements of feeding, cutting, and ejection
mechanisms, using handtools. Sharpens dulled cutters and polishes scratched punches, using
$T3bench grinder,$T1 speed lathe, and emery cloth. Removes housings, guards, feed tubes,
chutes, tool holders, and other accessories to replace worn or broken parts, such as springs,
bushings, and push-rods. May straighten bent punches and machine parts, using hammer and
anvil.
609.360-010 NUMERICAL CONTROL MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates numerical control machines or
machining centers to perform various machine functions, such as cutting, drilling, milling,
reaming, boring, and broaching of metallic and nonmetallic workpieces, utilizing knowledge of
machine tool capabilities, machinability of materials, and shop math: Reads and interprets
blueprints, planning sheets, sketches, and related technical data to determine tooling
requirements, setup procedures, control settings, and machining methods and sequences. Mounts,
aligns, and secures tooling, attachments, and workpiece on machine. Selects and installs cutting
tools in machine spindle. Loads control media, such as tape, card, or disk, in machine controller
or enters commands to retrieve preprogrammed instructions from data base. Calculates and sets
machine controls to position spindle in relationship to workpiece and to regulate factors, such as
cutting depth, speed, feed, and coolant flow. Starts machine and monitors displays and machine
operation to detect malfunctions. Stops machine to change cutting tools and setup according to
required machining sequence or to measure parts for conformance to blueprint specifications,
using precision measuring instruments. Enters commands or manually adjusts machine controls
to correct malfunctions or out-of-tolerance machining. Operates machine manually to perform
nonautomated functions and when automatic programming is faulty or machine malfunctions.
Discusses control media errors with supervisor or programming personnel to resolve problems.
May clean machine, tooling, and parts. May perform machine maintenance.
609.361-010 INSPECTOR, FLOOR (machine shop)
Inspects machined workpieces and assemblies at
assembly, inspection, or machining station to ensure conformance to specifications: Reads
blueprints or engineering specifications to obtain product information, such as specified material,
surface finish, and dimensions. Compares surface finish of workpiece to finish on set of standard
blocks making fingertip touch comparison to ensure production of specified surface finish.
Measures dimensions, such as length, height, and distance, between reference points, using
precision instruments, such as micrometers, calipers, dial indicator, and snap gauge, to ensure
product meets specifications. Locates reference point on part and measures dimensions, such as
angle, arc, and radii, using combinations of aids, such as surface plates, parallel bars, angle
plates, gauge blocks, V-blocks, sine bars, and precision measuring instruments. Reports findings
to INSPECTION SUPERVISOR (machine shop). May inspect first run parts. May set up and try
out inspection equipment to ensure accuracy. May substitute known values, such as dimensions
from blueprints into standard formulas and solve for unknown quantities, using knowledge of
algebra, trigonometry, or geometry to determine dimensions not specified in blueprints. May test
hardness of workpiece surface, using hardness testing machine. May be designated according to
type of product inspected as Propeller Inspector (ship-boat mfg.); Turbine Inspector
(engine-turbine).
609.362-010 NUMERICAL CONTROL MACHINE OPERATOR (machine shop)
Sets up and operates numerical control machine to cut,
shape, or form metal workpieces to specifications: Reviews setup sheet and specifications to
determine setup procedure, machining sequence, and dimensions of finished workpiece. Attaches
fixture to machine bed and positions and secures workpiece in fixture according to setup
instructions, using clamps, bolts, handtools, power tools, and measuring instruments, such as rule
and calipers. Assembles cutting tools in toolholders and positions toolholders in machine
spindles as specified, using handtools, or inserts cutting tools in specified machine magazines.
Loads control media, such as disk, tape, or punch card, in machine control console or enters
commands to retrieve preprogrammed machine instructions from data base. Manipulates controls
and enters commands to index cutting tool to specified $T3set point$T1 and to start machine.
Observes and listens to machine operation to detect malfunctions, such as worn or damaged
cutting tools. Changes cutting tools and location of workpiece during machining process as
specified in setup instructions. Measures workpiece for conformance to specifications, using
measuring instruments, such as micrometers, dial indicators, and gauges. Notifies supervisor of
discrepancies. May adjust machine feed and speed and change cutters to machine parts according
to specifications when automatic programming is faulty or machine malfunctions. May machine
materials other than metal, such as composites, plastic, and rubber.
609.380-010 ELECTRICAL-DISCHARGE-MACHINE SET-UP OPERATOR (machine shop)
Sets up and operates one or more electrical-discharge
machines to shape metal workpieces to specifications, following standard charts and manuals,
and applying knowledge of $T3electrical-discharge machining$T1 processes and methods,
electric currents and circuitry, metal properties, and shop mathematics: Examines blueprint of
product and plans operations. Positions and secures workpiece on machine table with clamps,
vise, or fixture. Positions and secures electrode in holder on surface plate, verifying
concentricity, alignment, and depth, using measuring instruments, such as calipers and dial
indicators. Mounts electrode and holder on machine spindle, using vernier dials on machine to
verify alignment of electrode and workpiece. Positions gauge blocks, dial indicator, and spindle
stop on machine so that descending electrode will stop at specified depth when indicator feeler
point touches gauge blocks. Turns valve to adjust flow of dielectric coolant over electrode and
workpiece or to immerse them in circulating bath. Turns controls to adjust machine setting, such
as voltage, current, frequency, and electrode feed rate, according to information on charts or
knowledge of electrical discharge machining procedures. Starts machine and observes beginning
of operation. May move controls to rotate electrode or workpiece. May inspect completed
workpiece visually and with templates and other measuring instruments. May compute settings
from specifications and knowledge of machine capacities. May give TOOL MAKER (machine
shop) 601.280-042 specifications, such as allowances between blueprint dimensions and
dimensions of electrode to be made. Important variables may be indicated by trade names of
machine used.
609.380-014 THREADING-MACHINE SETTER (machine shop)
Sets up single- or multiple-spindle threading machines to
thread and cut, ream, or chamfer cylindrical stock according to order specifications, threading
charts, and knowledge of threading procedures: Compiles dimensions of stock, sequence of
machining operations, and type and size of thread from charts and specifications. Installs
specified feed grips, rotating dies, die cutters (chasers), cutting and reaming or chamfering tool,
using micrometers, gauges, and handtools. Installs cams, gears, pulleys, pressure tripping
mechanism, and adjusts speed control knobs to synchronize transfer and ejection of stock with
machine action. Operates machine to evaluate its performance. Verifies dimensions of
workpieces with specifications, using fixed gauges and scale. Sharpens die cutters on grinding
wheel. May set up manually operated threading machine [THREADING-MACHINE
OPERATOR (machine shop)].
609.462-010 BALANCING-MACHINE OPERATOR (any industry)
Operates dynamic balance machine to locate points of
imbalance on parts, such as spindles, impeller wheels, armatures, rotors, and steam engine
flywheels, and balances parts by removing excess metal, using handtools and power tools, or
adding metal, using soldering and welding equipment: Signals crane operator to position
workpiece on machine pedestals. Slides drive belt over shaft of workpiece or moves drive wheel
against workpiece to connect power source that rotates workpiece. Starts machine to rotate
workpiece at specified speed. Moves controls of machine to locate points of imbalance indicated
by light beam from strobe lamp on identification marks of workpiece, position of wave crest of
trace pattern on oscilloscope screen, or readings on wattmeter and protractor dial. Computes
amount of weight to be added to or removed from workpiece, or changes size and location of test
weight until zero reading is indicated on ammeter. Drills, grinds, chips, or files metal from heavy
side, or welds, solders, or rivets metal pieces to light side to correct imbalance, using power drills
and grinders, hand file, and soldering and welding equipment.
609.482-010 ELECTRICAL-DISCHARGE-MACHINE OPERATOR, PRODUCTION (machine shop)
Operates one or more electrical-discharge machines to
shape metal workpieces to specifications, following standard charts: Obtains from job order or
verbal instructions such information as electrode to be used, depth setting, and number of
workpieces or cavities to be shaped. Mounts specified electrode in preset holder on spindle.
Positions and secures workpiece on machine table or places it in fixture. Moves controls to align
electrode and workpiece and to set electrode feed rate, depth limit, and electric current. Starts
machine, turns on flow of dielectric coolant, and observes operation. May inspect work visually
or with measuring instruments.
609.482-014 STRAIGHT-PIN-MAKING-MACHINE OPERATOR (button & notion) alternate titles: pinmaker
Operates battery of automatic machines that straighten,
cut off, head, and sharpen wire to form straight (common) pins: Places coil of wire on pedestal
stand and threads end of wire through machine to heading dies. Adjusts straightening rolls,
feeding arm, and stop to diameter and length of wire, using wrenches. Starts machine and
measures sampling of first pins for conformance to specifications, such as length, head diameter,
and angle of point to shank, using micrometers and fixed gauges. Replaces dull cutters or
point-grinding bars, using handtools, such as wrenches, screwdrivers, and pliers. Mounts dies in
bench lathe and removes burrs and repolishes head cavity, using stick dipped in polishing paste.
Empties pin-filled catch pails into tote trays.
609.682-010 AUTOMATIC-WHEEL-LINE OPERATOR (machine shop)
Controls series of machines to machine cast railroad car
wheels to specifications: Changes chucks, boring bar, and cutting tools according to
specifications on production orders, using handtools. Pushes buttons on console panel to start
machines that perform threading, flanging, boring, inspecting, and other operations to finish
wheels. Observes action of machines and transfer stations to detect malfunctions. Examines
machined surfaces of wheels at specified stations to detect defective cutting tools.
609.682-014 COLLET MAKER (clock & watch)
Operates three-stage collet making machine to cut and
chamfer outside diameters of watch collets, face them to specified thickness, drill hairspring
hole, and saw slot in collet: Feeds collet into machine and starts machine. Removes collets by
hand, verifies finished collet dimensions, using precision gauges, and makes minor adjustments
to machine to keep product within required tolerances.
609.682-018 CROOK OPERATOR (musical inst.)
Operates machine to cut and deburr brass wind
instrument tubes, and controls equipment to anneal tubes: Sets length gauge of saw and pushes
tubes into rotating blade to cut tubes to specified length. Inserts burring tool into chuck of turning
lathe and holds tube ends against rotating burring tool to remove burs. Places tubes in oven or on
sprockets of wheel that revolves between two torches to anneal tubes for ease of bending. May
fill tube with pitch to facilitate bending tube manually around forming block. Places tube in oven
to melt pitch for removal from tube. May place tube in balling-out mold and push steel balls
through tube to size part or remove wrinkles.
609.682-022 MACHINE OPERATOR, CENTRIFUGAL-CONTROL SWITCHES (elec. equip.) alternate titles: governor assembler
Operates machines, such as lathe and drill press, to
machine centrifugal switch assemblies for electric motors, performing any combination of
following duties: Positions switch bore and hub cylinder in fixture on hydraulic press. Starts
press to lower ram and force hub into switch bore. Clamps assembly to bed of drill press and
starts press to ream bore of hub cylinder to specified size. Verifies diameter of bore, using plug
gauge. Mounts switch assembly to lathe and inserts specified cutting tool in tool holder. Sets
cutting tool to specified depth of cut, using micrometer. Starts lathe to cut outside diameter of
switch, to cut slot in contact surface, or to remove rivet heads and burs. Verifies diameter of
switch or depth of slot, using micrometer or plug gauge. Mounts switch to test motor. Starts
motor and turns control spring setscrew, observing tachometer, until switch opens at specified
revolutions per minute. Inserts mandrel in bore of switch assembly and mounts assembly in test
stand. Rotates mandrel and observes assembly for static balance. Drills metal from rivet heads or
solders additional metal onto heads to balance switch assemblies. Mounts assembly to lathe and
adjusts dial indicator to specified setting. Starts lathe and observes dial indicator to test balance
of assembly.
609.682-026 NICKING-MACHINE OPERATOR (cutlery-hrdwr.) alternate titles: nick setter
Sets up and operates machine that notches identification
nicks in cutting die edge: Grinds burrs from cutting edge of die, using abrasive wheel. Obtains
nicking tools specified on template. Bolts tools to machine bed, using wrench. Heats cutting edge
of die to soften metal, using acetylene torch. Positions heated die edge between nicking tools.
Pulls lever to close tools that notch identification nicks in die edge.
609.682-030 SCREWMAKER, AUTOMATIC (clock & watch)
Operates machine to automatically shape and cut wire
stock to form watch screws: Inserts wire in machine and starts machine that turns head and shank
to specified size to form screw, threads and cuts screw to specified length, and slots head.
Measures thread and length of finished screw under loupe to determine if it meets specifications,
using pitch gauge and upright gauge. Maintains machine adjustment to keep product within
specifications.
609.684-010 INSPECTOR, GENERAL (any industry) alternate titles: bench inspector; parts inspector; gauger
Inspects materials and products, such as sheet stock, auto
body or engine parts, dental instruments, machine shop parts, and metal castings, for
conformance to specifications, using fixed or preset measuring instruments: Examines material
or product for surface defects, such as cracks, pits, and incomplete welds. Compares product with
parts list or sample model to ensure completion of assembly. Verifies specified dimensions of
product or material, using inspection equipment, such as fixed gauges, templates, and preset
micrometer, vernier height gauges, and dial indicator. Rejects defective parts, and marks type of
defect on part, container of parts, or inspection tag. May test parts for hardness, using hardness
tester [HARDNESS INSPECTOR (heat treating) 504.387-010]. May test products for structural
defects, such as leaks and internal cracks, using water pressure tests [HYDRO-PNEUMATIC
TESTER (any industry) 862.687-018]. May test mechanisms for clearance and freedom of
movement. May be designated Inspector, Filters (auto. mfg.).
609.684-014 LABORER, GENERAL (machine shop)
Performs any combination of following tasks to assist in
machine shop activities: Loads and unloads materials, parts, or products onto or from pallets,
skids, conveyors, or trucks manually or using hoist. Delivers metal parts or stock to designated
work areas for machining, using electric pallet mover, hoist, or overhead crane. Lifts metal part
or stock onto machine, manually or using hoist, and secures it on machine table, in chuck, or
holding fixture, using wrenches, to assist in setting up machine. Feeds metal parts or stock into
automatic metalworking machines and removes machined part from machine after prescribed
period of time or at end of machining cycle. Adds coolant to reservoirs of machines and
lubricates machine parts and ways, using grease gun and oilcan. Reclaims cutting and lubricating
oils from machines by pumping oil from machine reservoir into barrel, dumping oil from barrel
into centrifugal separator that removes metal chips and dirt from oil, and drains clean oil from
separator into containers. Removes metal chips and shavings from surfaces of machines, using
rag or airhose, and wipes surfaces of machines with rag to remove excess oil. Cleans around
work areas, using broom and shovel. Separates metal shavings, chips, and scrap materials from
trash and places them in bins for resale. May remove burrs or excess metal from machined parts,
using files, sandpaper, emery cloth, or grinding machine. May be designated by specific task
performed as Brass Reclaimer (machine shop); Gear Cleaner (machine shop); Oil Extractor
(machine shop); Sorter (machine shop); Threading-Machine Feeder, Automatic (machine shop)
II; Tool Marker (machine shop).
609.685-010 BALL SORTER (machinery mfg.)
Tends machine that sorts metal balls according to size,
roundness, or surface defects, such as nicks, scratches, or dents: Adjusts settings on control
panel, sets graduated opening on gauge slide, or selects and installs gauging screen in barrel of
machine through which balls drop into containers according to variation from specified
dimensions. Loads balls into feed hopper, and starts machine that automatically sorts standard
size, oversize, undersize, and defective balls into separate pockets or containers. May visually
examine or measure sample balls from each container, using micrometer or fixed gauge and label
containers, according to quality and quantity of sorted balls. May weigh balls on balance scale
and record weight and grades on work ticket.
609.685-014 ENGRAVER, AUTOMATIC (clock & watch)
Tends battery of automatic engraving machines that
inscribe numerals and words on watch parts: Loads paddle manually with specified watch parts.
Inserts paddle into machine and pulls lever to automatically secure paddle in position for
scribing. Presses button to start machine operation and initiate engraving cycle. Inspects finished
pieces to detect engraving faults, such as skips, incorrectly located engraving, and irregular cut,
using loupe and location gauge.
609.685-018 PRODUCTION MACHINE TENDER (machine shop) alternate titles: machine shop production worker; robotic machine tender, production
Tends one or more machine tools, special-purpose
machines, or industrial robots to machine metal workpieces to specifications on production basis:
Lifts workpiece manually or using hoist and secures workpiece in fixture or loads automatic
feeding device. Starts machine, engages feed, and observes operation. Inspects and measures
machined workpieces to verify conformance to specifications, using instruments, such as preset
comparator, fixed gauges, calipers, micrometer, or microscope. May move machine controls and
guides to adjust machine. May replace worn machine accessories, such as cutting tools or
brushes. May add coolant to machine reservoir and turn valve to start flow of coolant. May file,
sand, or shape machined parts, using handtools and power tools. May clean machined parts,
using degreasing tank or solvent and rags. May machine plastics or other nonmetals. May tend
machines and equipment other than machine tools.
609.685-022 TRANSFER-MACHINE OPERATOR (machine shop)
Tends transfer machine consisting of series of stations
connected by transfer mechanisms that transfer, position, and secure workpieces and perform
machining operations, such as drilling, boring, tapping, and milling on metal workpieces, such as
castings and forgings: Lifts workpiece manually or with hoist, and places on holding device,
such as pallet. Pushes pallet along track into clamping station, and starts mechanisms to clamp
workpiece on pallet and transfer to first work station. Inspects machined workpieces for surface
defects and verifies conformance to specifications, using measuring instruments, such as fixed
gauges and checking fixtures. Changes tools when panel lights indicate that tool is worn or
broken, using wrenches. Moves bar to lift derailed pallets back into position. Notifies supervisor
if panel lights indicate machine failure or serious malfunctioning.
609.685-026 TRIM-MACHINE OPERATOR (ordnance) alternate titles: cut-off-machine operator; shell-trim operator; trim and burr operator
Tends battery of machines that trim small arms cartridge
cases, bullet jacket blanks, or artillery shell cases to specified length: Loads small arms cartridge
cases or bullet jacket blanks into hopper of automatic machine or positions artillery shell cases
by hand in feeding device of trim machine. Turns stop nuts and setscrews, using handtools, to
adjust chuck and feed punch to cut blanks to specified length. Starts machine and observes
operation of feeding, cutting, and ejection mechanisms to detect malfunction. Extracts jammed
pieces, using fingers or wire hook. Examines trimmed pieces for such defects as dents, burrs, or
scratches. Verifies conformity to specified dimensions, using fixed gauges. Sharpens cutters on
$T3bench grinder.$T1
61 METALWORKING OCCUPATIONS, N.E.C.
This division includes occupations, not elsewhere classified, concerned with shaping and conditioning metal by rolling, forging, extruding, drawing out, punching, shearing, blanking, and pressworking. The punching, shearing, blanking, and pressworking of nonmetallic materials, except wood, are also included when the methods and machine tools commonly applied to the working of metal are used.
610 HAMMER FORGING OCCUPATIONS
This group includes occupations concerned with heating metal in a forge and hammering it into desired shape with a hand or power hammer (includes drop forging).
610.362-010 DROPHAMMER OPERATOR (aircraft mfg.; forging) alternate titles: blacksmith, hammer operator
Sets up and operates closed-die drophammer to forge
metal parts according to specifications, using measuring instruments and handtools: Informs
HEATER (forging) 619.682-022 of forging specifications, such as specified quantity and
temperature setting. Aligns and bolts specified dies to machine ram and anvil, using scale, rule,
square, feeler gauges, shims, and handtools. Positions workpiece onto lower die and depresses
pedal to activate ram that repeatedly strikes and forces metal workpiece into die impression.
Moves workpiece through series of dies to attain specified detail. May plan work procedures,
select tooling, and operate drophammer to form experimental or developmental parts. May turn
knobs to regulate conveyor speed and feed that automatically carries heated stock from furnace,
places stock on anvil, and removes finished workpiece. May forge unheated metal. May set stops
or turn handles to set specified striking force of ram. May trim flash from finished forging. May
operate hammer to compress finished forgings to specified tolerances and be designated Restrike
Hammer Operator (forging). May be designated according to type of hammer operated as Board
Drop Hammer Operator (forging); Impact Hammer Operator (forging); Steam Hammer Operator
(forging).
610.381-010 BLACKSMITH (forging) alternate titles: anvil smith
Forges and repairs variety of metal articles, such as tongs,
edged tools, hooks, chains, machine and structural components, and agricultural implements as
specified by work orders, diagrams, or sample parts: Heats metal stock in blacksmith's forge or
furnace [HEATER (forging)]. Hammers stock into specified size and shape on blacksmith's anvil
or positions stock on anvil of power hammer and depresses pedal to hammer stock with varying
force and rapidity. Forge-welds metal parts by heating and hammering them together. Devises
jigs and fixtures, forges special handtools, such as hammers or chisels, and sets up form blocks.
Tempers or anneals forged articles [HEAT TREATER (heat treating) I]. May record type of
repair or fabrication of tools or machine components performed during work shift to maintain
daily activity report and records. May cut, assemble, and weld metal parts, using arc or acetylene
welding equipment [WELDER, COMBINATION (welding)]. May repair farm machinery and be
designated Blacksmith, Farm (agriculture). May be designated according to articles forged as
Special-Trackwork Blacksmith (r.r. trans.); Tool-Dresser (forging).
610.381-014 BLACKSMITH APPRENTICE (forging)
Performs duties as described under APPRENTICE (any
industry) Master Title.
610.684-010 BLACKSMITH HELPER (forging) alternate titles: striker
Assists BLACKSMITH (forging) in forging metal
articles: Obtains equipment, such as stop blocks and hammer dies from toolroom. Cuts metal to
predetermined size, using saw. Lights furnace and turns control valves to regulate temperature.
Lifts metal parts from furnace with tongs and places parts on anvil or under power hammer.
Strikes parts with sledge as BLACKSMITH (forging) positions parts over forming dies set in
anvil. Grinds surfaces of finished parts, using portable and stationary power grinders. May sweep
floor and remove debris from work area. Performs other duties as described under HELPER (any
industry) Master Title.
610.684-014 SPRING SALVAGE WORKER (metal prod., nec)
Reshapes defective spring leaves, using furnace and
power hammer: Places leaf in furnace to heat it to specified color. Removes leaf from furnace
and positions it on bed of power hammer. Starts machine to pound leaf into specified shape and
verifies shape of leaf, using template. Tempers leaf by immersing it in oil bath for specified time.
611 PRESS FORGING OCCUPATIONS
This group includes occupations concerned with heating metal in a forge and shaping it by means of a press.
611.482-010 FORGING-PRESS OPERATOR I (forging) alternate titles: die-machine operator; forging-machine operator
Sets up and operates closed-die power press to produce
metal forgings, following work order specifications, using measuring instruments and handtools:
Aligns and bolts specified dies on ram and anvil of press, using rule, square, shims, feelers, and
handtools. Turns knobs to set pressure and depth of ram stroke. Pulls workpiece from furnace,
when color of workpiece indicates forging temperature, and positions workpiece on lower die,
using tongs. Depresses treadle or pulls lever to lower ram that compresses metal to shape of die
impressions. May move workpiece through series of dies for progressively finer detail.
611.482-014 ROLLER-MACHINE OPERATOR (metal prod., nec) alternate titles: roller operator
Operates machine to flatten and taper heated ends of
spring leaf blanks to specified dimensions: Installs dies in upper and lower plates of press and
adjusts pressure of rollers, using wrenches and gauges. Heats end of spring blank in furnace and
places it on stationary die plate. Pulls lever to flatten end to specified width. Holds compressed
end between cam-shaped rollers that grip and taper end to specified thickness.
611.662-010 UPSETTER (forging)
Sets up and operates closed-die forging machine
equipped with horizontal ram and gripping die to expand end of hot metal bar stock: Aligns and
bolts specified dies and cams in machine, using rule, square, and wrenches. Pulls stock from
furnace when color indicates forging temperature and inserts stock in gripping die against stop
gauge, using tongs or hoist. Presses pedal to close gripping die on stock and to advance ram,
squeezing end of metal into gripping die cavity. Moves workpiece through series of dies to shape
stock progressively to specifications. Verifies dimensions of forged piece, using set gauges. May
set up and operate closed-die forging machine to expand end of cold metal.
611.682-010 STEEL-SHOT-HEADER OPERATOR (ordnance)
Sets up and operates battery of machines to cold forge
BB shot for air rifles from coils of steel wire: Aligns die halves that form ball on end of wire,
using handtools. Turns setscrews and stop nuts to adjust and synchronize cutoff tool, ram stroke,
and feeder arm. Threads wire through straightening rollers and feeding mechanism into ram
head. Starts machine and observes operation to detect malfunction. Measures shot for
conformance to specified tolerances, using micrometer. Sharpens and shapes cutoff tool, using
$T3bench grinder.$T1
611.682-014 AUTOMATIC CASTING-FORGING MACHINE OPERATOR (forging)
Controls and monitors operation of automatic
casting-forging machine to cast, forge, and trim nonferrous molten metal into finished forgings:
Starts hydraulic pumps and sets timers and heater controls. Turns automatic controls, such as
shot weight and pouring speed, to set sequence of operation. Notifies forklift operator to pour
molten metal into container. Pours molten metal into preform mold, using ladle, and starts
manual operation for trial run. Activates automatic pouring device to fill mold, and depresses
controls to initiate automatic casting and forging operations. Observes indexing mechanism that
moves casting through sequence of operations, such as die press, quenching, and trimming.
Observes castings and forgings for imperfections, such as discolorations and distortions.
Realigns dies, castings, or forgings to correct out-of-tolerance conditions. Observes lights on
control panel to detect machine malfunctions and corrects conditions causing malfunctions, such
as clogged filters and sticking valves.
611.685-010 FORGING-PRESS OPERATOR II (forging) alternate titles: press hand; press operator
Tends closed-die power press that produces metal
forgings: Pulls workpiece from furnace, when color of workpiece indicates forging temperature,
and positions it on lower die, using tongs. Moves controls to lower ram that compresses metal to
shape of die impressions. May move workpiece through series of dies for progressively finer
detail. May tend press to emboss designs on metal or compress and smooth surface of metal
blanks or rough forgings and be designated Coining-Press Operator (forging). May tend press
that twists forging to form journals and counterweights on crankshafts to specified degree of
eccentricity and be designated Twisting-Press Operator (forging).
611.685-014 HYDRAULIC OPERATOR (nonfer. metal) alternate titles: hydraulic-corrugating-machine operator
Tends hydraulic corrugating machine that corrugates
metal tubes used in making bellows: Moves controls of machine to expand corrugating plates
and position spacers between plates. Places tube in opening of plates. Pulls levers to close cradle,
remove spacers, and pump water into tube forcing tube walls to conform to shape of corrugated
plates.
612 FORGING OCCUPATIONS, N.E.C.
This group includes occupations, not elsewhere classified, concerned with shaping and conditioning metal. Includes shaping without benefit of heat by such means as machines equipped with rollers.
612.130-010 SPIKEMAKING SUPERVISOR (steel & rel.)
Supervises and coordinates activities of workers engaged
in forging boat or track spikes from hot steel rods: Coordinates setting up of forge machines with
set-up worker to ensure machines forge products of specified size. Installs dies and adjusts guide
stops in automatic forging machines, using wrenches, hammer, and pry bar. Verifies dimensions
of spikes, using gauges and rule. Observes size, shape, and color of heated spikes and adjusts
dies and guide stops to ensure production of spikes to manufacturing standards. Repairs
machines and conveyor system and replaces worn or broken parts, using wrenches,
sledgehammer, pry bar, and chain hoist. Performs other duties as described under SUPERVISOR
(any industry) Master Title.
612.131-010 FORGE-SHOP SUPERVISOR (forging) alternate titles: blacksmith supervisor
Supervises and coordinates activities of workers engaged
in heating, forging, and inspecting metal workpieces and products: Plans and coordinates
sequence of operations within forge shop. Inspects dies, machines, and work in process to detect
malfunctions, and orders corrective action. Trains new workers in job duties. Performs other
duties as described under SUPERVISOR (any industry) Master Title. May set up machines for
experimental runs. May be designated according to department as Hammer-Shop Supervisor
(forging); Inspection Supervisor (forging).
612.260-010 FASTENER TECHNOLOGIST (nut & bolt)
Sets up and operates variety of machines to head, trim,
drill, and tap metal stock to fabricate machine tools and form metal parts and fasteners, such as
screws, bolts, and nuts, according to blueprint specifications and using precision measuring
devices, machinist manuals, and handtools: Reads and interprets blueprints to determine
specified tolerances and sequence of operations to be used in machining metal parts. Selects and
installs cutting tools in machines, using handtools. Selects cutting speeds, depth of cut, and
adjusts guides, using handtools. Installs workpiece in vise, marks layout, and verifies
dimensions, using precision gauges and machinist manuals. Operates machines to tool specified
parts and inspects parts to ensure conformity to blueprint specifications, using gauges and
applying knowledge of fractions and decimals. Sharpens cutting tools and drill bits, using bench
grinders.
612.261-010 INSPECTOR (forging)
Inspects forgings for conformance to specifications,
following blueprints and using measuring instruments, and determines cause of defects by
applying knowledge of metal characteristics and forging methods: Verifies dimensions of
forgings, using measuring instruments, such as calipers, gauges, and rules. Examines forgings to
detect surface defects, such as scale, laps, and cracks. Informs supervisor of defects and their
probable cause. May stop production and order variations in forging methods, such as change in
heating temperature, modification of ram stroke, or realignment of dies to correct defects. May
read job order to determine if all specified operations, such as heat-treating, cleaning, and
machining have been performed. May straighten warped forgings [STRAIGHTENING-PRESS
OPERATOR (any industry) II 617.482-026]. May test hardness of forgings [HARDNESS
INSPECTOR (heat treating) 504.387-010]. May inspect metal forgings for internal flaws, using
ultrasonic inspection equipment. May inspect raw stock. May inspect hot forgings before
completion and be designated Inspector, Hot Forgings (forging).
612.360-010 DIE SETTER (forging)
Sets up forging machines, such as forging presses,
coining presses, drophammers, forging rolls, and upsetters, following blueprint, work order, and
data-chart specifications, and using handtools and measuring instruments, such as rules, squares,
and gauges: Aligns and bolts specified dies to ram and anvil of presses and hammers. Installs
impression and gripping dies and synchronizing cams on upsetting machines. Sets and bolts roll
dies into self-positioning slots or dogs on roll shafts of forging rolls. Aligns and bolts positioning
fixtures and stops, and turns handles or knobs to synchronize conveyor speed with
forging-machining action and heating cycle of furnace. Starts machine and inspects work to
verify conformance of die setup to specifications. May be designated according to machine set up
as Drop Hammer Setter-Up (forging); Forging Press Setter-Up (forging); Upsetter Setter-Up
(forging).
612.361-010 HEAVY FORGER (forging)
Shapes heated metal stock into forgings on power
hammer or press equipped with open dies, applying knowledge of forging techniques and
physical properties of metal, following work order, diagrams, or specifications, and using
measuring instruments and handtools: Aligns and bolts dies into ram and anvil of machine, using
rule, square, gauges, and handtools. Observes color of metal in furnace to determine forging
temperature and signals HEATER (forging) to pull metal from furnace. Directs LEVER
TENDER (forging) to start machine and regulate action of hammer or press, and directs
HEAVY-FORGER HELPER (forging) or MANIPULATOR OPERATOR (forging) to position
and turn metal on anvil of machine. Verifies dimensions of forging, using rule and calipers. May
forge cold metal. May be designated according to forging equipment as Hammersmith (forging);
Press Smith (forging).
612.384-010 INSPECTOR, COLD WORKING (ordnance)
Inspects dimensions of cannon barrels before and after
cold-working, following specifications and using measuring instruments: Measures outside and
inside diameter of barrel at specified points before and after cold working, using micrometer and
star gauge. Examines gun bore for cracks and flaws, using optical device to see down gun barrel.
Records inspection data and recommendations for disposition of barrel.
612.462-010 MULTI-OPERATION-MACHINE OPERATOR (any industry)
Sets up and operates machine that automatically performs
multioperations, such as roll-threading, heading (upsetting), slotting, slitting, or shearing to form
chain or produce fasteners, such as bolts and rivets, from hot or cold metal rod or wire: Selects,
installs, and aligns dies, rolls, cutting tools, guides, and stops to set up machine, using handtools
and measuring instruments. Sets controls to synchronize machine actions for various operations
on workpiece in specified sequence. Positions coil of metal wire or rod on feed spindle and
threads it through straightening rolls into feed mechanism; or inserts end of heated rod into feed
mechanism. Starts machine to produce sample product and measures for conformance with
specifications, using measuring instruments. Adjusts settings of dies on controls, as required, to
obtain product meeting specifications and quality standards. Starts machine to begin production
and observes machine operations for evidence of malfunction and products for defects. May be
designated according to type of product produced, as Bolt-Machine Operator (nut & bolt);
Chain-Forming-Machine Operator (forging); Rivet Maker (nut & bolt). May be known according
to whether metal is heated or cold forged, as Cold-Header Operator (forging); Hot-Header
Operator (forging).
612.462-014 NUT FORMER (nut & bolt)
Sets up and operates one or more automatic machines to
shear, form, and punch nut blanks from hot or cold metal bar or coiled stock: Installs punching
and shearing dies in machine, using wrenches, rule, hammer, and gauges. Threads end of coiled
stock from feeder reel through straightening rolls and against stop in machine, or aligns bar stock
between dies by hand or using tongs for hot bar stock. Starts machine and observes feeding
operation, or feeds bar stock against dies. Measures nut blanks with gauges and adjusts dies to
maintain specified dimensions. May regulate electric induction or gas furnace to heat stock. May
set up machine for PRODUCTION-MACHINE TENDER (nut & bolt).
612.662-010 SPIKE-MACHINE OPERATOR (steel & rel.)
Sets up and operates machine to forge boat and track
spikes from heated steel rods: Installs and adjusts forging hammer, squeezing dies, and stop
guides, according to specifications, using rule and handtools. Adjusts temperature controls of
furnace in which rods are heated depending on color of heated rod. Moves lever or depresses
pedal to discharge malformed spikes and waste end of rod into receptacle. Grasps spike with
tongs, observes shape of head, and measures spike with gauge to ensure that it conforms to
specifications. Directs SPIKE-MACHINE FEEDER (steel & rel.) when setting up equipment.
May replace and repair worn and broken parts of machine and conveyor system.
612.666-010 SPIKE-MACHINE FEEDER (steel & rel.)
Feeds heated steel rods into machine that forges spikes:
Signals SPIKE-MACHINE HEATER (steel & rel.) to shove end of heated rod through open end
of furnace. Grasps rod with tongs and shoves it onto feed rollers of machine. Observes color of
rods and notifies SPIKE-MACHINE OPERATOR (steel & rel.) if furnace temperature requires
adjustment. Assists in installing dies and adjusting guide stops, using handtools.
612.682-010 BUCKSHOT-SWAGE OPERATOR (ordnance)
Sets up and operates battery of machines to press lead
slugs into buckshot for shotgun ammunition: Removes and replaces dies, punches, and die
blocks, and adjusts knockout pins, feed fingers, and stops, using handtools. Fills hoppers with
lead slugs from scoop or tote box. Starts machines and measures diameters of swaged shot
samples, using shot gauge, and weighs them on balance scale to determine conformance to
specifications. Rolls shot under dial micrometer to verify roundness. Turns bolts, setscrews, and
stop nuts to adjust position of punches and dies by trial and error to produce acceptable shot.
612.682-014 FORGING-ROLL OPERATOR (forging) alternate titles: roll forger; rolling-machine operator
Sets up and operates roll-forging machine to taper, shape,
or reduce metal bar stock as specified by work order: Bolts two semicylindrical dies on opposing
roll shafts of machine, using wrenches. Positions and bolts limit stops on machine, using rule,
scale, and handtools. Pulls workpiece from furnace, when color indicates forging temperature,
and places it on worktable, using tongs. Pushes workpiece into open segment of dies and
depresses pedal to rotate dies that grasp workpiece in circular grooves and pull it between
power-driven rolls bearing contoured dies to shape workpiece. Moves workpiece through
progressively smaller grooves on dies to forge it to specified shape. Verifies dimensions, using
gauge or scale. May use roll-forging machine that automatically tapers, shapes, or reduces metal
bar stock and be designated Rotary-Swaging-Machine Operator (forging).
612.683-010 MANIPULATOR OPERATOR (forging) alternate titles: charging manipulator
Operates manipulator to transport metal stock from
furnace and position and turn it on anvil of forging press or hammer: Moves levers and pedals to
guide manipulator along floor or on overhead rails to furnace. Moves levers on control box to
grasp workpiece with jaws mounted on arm extending from manipulator cab, and transports
workpiece to press or hammer. Moves controls of arm to turn and position workpiece on anvil as
it is being shaped, following signals of HEAVY FORGER (forging).
612.684-010 UTILITY WORKER, FORGE (forging)
Performs any combination of following tasks in forging
plant: Moves workpieces from furnace to hammer anvil, using tongs or hoist. Opens and closes
electrically controlled furnace doors to assist steel press crew. Positions and turns workpieces
and work aids during forging by HEAVY FORGER (forging). Removes scale from anvil, using
broom and airhose. Cleans work area with broom and shovel and cleans machine parts, using rag
and solvent. Replaces forge crew tools in specified racks. May assist in installing dies used in
forging operations. May cut material to specified size with handsaw, and smooth parts with
$T3bench grinder$T1 to assist BLACKSMITH (forging). May remove cracks in ingots, billets,
or forgings, using swing grinder.
612.685-010 LEVER TENDER (forging)
Tends power hammer or power press that forges metal
stock: Moves levers, upon signal from HEAVY FORGER (forging), to control force and
frequency of hammer blows, or ram pressure, to shape forging. May be designated according to
equipment tended as Forging-Press Lever Tender (forging); Hammer Driver (forging).
612.685-014 SPRING TESTER I (metal prod., nec)
Tends power press that tests resiliency of spiral springs
and that compresses them to specified length: Positions spring over mandrel of press table and
places metal plate over end of spring. Pulls lever that forces plunger of machine against plate to
compress spring. Measures compressed length of spring, using micrometers, calipers, and
gauges. Releases press and measures uncompressed length of spring. Inserts metal wedge
between spring coils and taps spring with mallet to adjust spring to specified length and pitch.
612.687-010 HEAT READER (forging)
Compares glow inside forge shop furnace with color
intensity chart to determine internal temperature of furnace, using pyrometer: Looks through
pyrometer into furnace and compares intensity of light generated by furnace with chart depicting
color at various temperatures to determine internal furnace temperature. Informs specified
forging personnel of observed temperature to permit designated adjustments to furnace controls,
maintenance work, and production rescheduling.
612.687-014 HEAVY-FORGER HELPER (forging)
Assists HEAVY FORGER (forging) in shaping hot metal
on power hammer or press equipped with open dies, working as member of crew: Pulls
workpiece from furnace with tongs and positions and turns it on hammer anvil. Removes scale
from metal and anvil during forging, using compressed air or broom. May assist in forging
unheated metal. May be designated according to worker assisted as Hammersmith Helper
(forging); Press-Smith Helper (forging). Performs other duties as described under HELPER (any
industry) Master Title.
613 SHEET AND BAR ROLLING OCCUPATIONS
This group includes occupations concerned with shaping, reducing the cross sectional area, and elongating metal pieces by passing them between smooth-surfaced or circumferentially grooved rotating rolls which exert a continuous compressive force. Includes rolling wire from billets and rods.
613.130-010 SUPERVISOR, BLOOMING MILL (steel & rel.)
Supervises and coordinates activities of workers engaged
in rolling heated ingots into steel shapes, such as blooms, billets, and slabs, and in shearing
shapes to specified lengths. Trains workers in setting up mill. Performs duties as described under
SUPERVISOR (any industry) Master Title.
613.130-014 SUPERVISOR, MERCHANT-MILL ROLLING AND FINISHING (steel & rel.) alternate titles: roller, merchant mill
Supervises and coordinates activities of workers engaged
in operation of merchant mill to roll products, such as bars, flats, and skelp from billets and
slabs: Reads rolling order to plan setup of roll stands. Directs workers in building and installing
rolling stands and equipment on rolling line, and setting draft (space between rolls) for each roll
stand. Observes operation of mill, inspects product during rolling operation, and orders
adjustments in mill equipment and changes in conveyor speeds for drawing billets or slabs from
furnace. Performs other duties as described under SUPERVISOR (any industry) Master Title.
613.130-018 SUPERVISOR, STRUCTURAL ROLLING-AND-FINISHING (steel & rel.) alternate titles: roller, structural mill
Supervises and coordinates activities of workers engaged
in setting up and operating structural mills to roll slabs, billets, plates, and structural shapes, such
as angles, beams, and channels from blooms or beam blanks: Reads production schedule and
rolling orders to plan setup of rolls, tables, and beds required for processing product. Directs
workers in dismantling and setting up roll stands and auxiliary equipment. Specifies number of
passes for each product, regulation of draft, and shaping to be performed during each pass.
Inspects rolled product for conformance to specifications, and orders adjustment of roll screws
and changes in rolling temperature. Performs other duties as described under SUPERVISOR
(any industry) Master Title. May supervise workers engaged in rolling slabs into plates and be
designated Roller, Plate Mill (steel & rel.).
613.132-010 SUPERVISOR, HOT-STRIP MILL (steel & rel.)
Supervises and coordinates activities of workers engaged
in heating, rolling, coiling, loading, and shipping hot-strip coils: Reads production schedule for
type of products to be rolled, and to plan rolling temperature, mill setup, and sequence of
charging slabs into furnace. Inspects mill equipment, such as furnaces, run-out tables, conveyors,
and pilers for malfunctions. Performs other duties as described under SUPERVISOR (any
industry) Master Title.
613.360-010 ROLL-FORMING-MACHINE SET-UP MECHANIC (any industry)
Sets up machine to form longitudinal bends, beads, rolls, or
embossed designs into sheet metal strips by drawing strips through one or more sets of roller dies
to fabricate such items as molding trim, or weatherstrip: Bolts specified dies onto spindles. Positions
spindles to align male and female dies and adjust dies and drive rolls to thickness of metal strip. May
turn knobs or install gears to set speed of machine and synchronize action of cutting die or shear
blade with action of machine to cut stack to specified length. Directs flow of coolant onto workpiece
or fills oilcups. Turns machine over to ROLL-FORMING-MACHINE OPERATOR (any industry)
617.685-034 II.
613.360-014 ROLL-TUBE SETTER (steel & rel.) alternate titles: roll setter; roll setter, pipe mill
Installs and adjusts rolls on sizing, forming, and welding mill
to produce pipe or tube of specified outside diameter, following job specifications and using
handtools: Reads mill schedule to determine size of product to be produced. Selects rolls and installs
rolls on mill, using handtools. Signals OVERHEAD CRANE OPERATOR (any industry)
921.663-010 to remove previous sizing mill from rolling line and position replacement mill on line.
Sets and adjusts bolts to position rolls on mill, using wrenches and bars. Sets controls to regulate
speed of mill. Measures outside diameter of product to determine conformance to specifications,
using calipers. Adjusts rolls on mill to obtain product of specified dimensions, using handtools.
Disassembles sizing mills removed from rolling line and stores parts.
613.360-018 TIN ROLLER, HOT MILL (steel & rel.)
Sets up and operates roughing and finishing roll train to
reduce steel slabs to strips and sheets, using knowledge of rolling practices and steel properties:
Calculates draft for each roll stand and plans rolling sequence from rolling schedule. Installs and
adjusts equipment, such as rolls, guides, scale breakers, shears, and coilers, in mill train, using
handtools. Observes steel passing through finish rolls for specified straightness, flatness, and finish.
Observes gauges to verify specified electric load and temperature. Moves controls to adjust electric
load, speed of mill, and tension between rollers to equalize mill load and obtain product of specified
finish and dimensions. Inspects product for defects, using x-ray gauge. Directs crew in roll changes,
removal of cobbles from rolling line, and polishing rolls.
613.361-010 GUIDE SETTER (steel & rel.)
Installs and adjusts rolls, passes, and guides on stands of
rolling mill, according to job specifications, using handtools: Determines installation procedure from
rolling specifications, product dimensions, and section of mill to be used for rolling product.
Assembles roll stands, using hammers, wedges, wrenches, and pry bars. Installs and adjusts guides
on stands to control passage of product through roll passes, using handtools. Disassembles
previously installed roll stands on mill and installs and aligns new roll stands, using blocks and
wedges. Sorts and stores rollers and guides from disassembled stands. Observes guides during
rolling to determine if they are functioning according to specifications and adjusts guides to obtain
specified performance. May assist other workers in disassembling and removing stands from rolling
line. May sort and store rolls, guides, and guards removed from rolling line.
613.362-010 HEATER I (steel & rel.)
Controls gas or oil fired soaking pit or reheating furnaces to
heat sheets, blooms, billets, and slabs to specified rolling temperature: Ignites furnace burners with
torch, and turns valves to regulate flow of fuel and air to burners. Signals CHARGER OPERATOR
(steel & rel.) 504.665-014 to charge steel into furnace. Reads dials and gauges, observes color of
steel in furnace, and adjusts controls to maintain specified temperature in furnace. May assist
workers in repairing, replacing, or adjusting furnace equipment and burners, using handtools.
613.362-014 ROLLER, PRIMARY MILL (steel & rel.)
Operates primary mill to roll hot steel ingots into blooms,
slabs, billets, or beam blanks, following rolling orders and using knowledge of steel properties and
rolling practices: Reads rolling order to determine setup, rolling sequences, number of passes
required, and draft (space between rolls) for each pass. Sets clearances on guides and rolls, using
wrenches and measuring instruments, and starts mill to roll sample ingot. Measures sample for
conformance to dimensional specifications, using calipers, tape, and level. Moves levers to regulate
draft, as shown by dial indicator, and to control movement of conveyors, water sprays, and mill
tables for each pass. Signals soaking pit personnel for ingots as needed. Observes color of ingot to
determine if specified rolling temperature has been attained. Gives directions to workers in duties,
such as changing rolls, regulating speed of conveyors, and turning ingot, to obtain product of
specified size, shape, and quality. May be designated according to type of mill operated as Roller,
Billet Mill (steel & rel.); Roller, Blooming Mill (steel & rel.); Roller, Slabbing Mill (steel & rel.).
613.362-018 ROUGHER (steel & rel.) alternate titles: bulldogger
Operates roughing mill roll stands to reduce steel billets,
blooms, and slabs to specified dimensions, using knowledge of rolling practices and steel properties:
Reads rolling order to determine setup specifications. Installs rolling equipment, such as roll stands,
guides, bar turners, and repeaters on rolling line, using handtools, bars, levers, and sledges. Moves
controls to set specified draft between rolls at each stand. Observes color of heated steel to determine
rolling temperature and starts roughing stands. Examines product passing through mill for surface
defects, such as scratches and cracks. Verifies specified gauge of product after each pass, using
calipers. Gives directions to mill crew in readjusting roll draft and realigning guides. May set up and
monitor computerized roughing roll stands. May be designated according to type of mill operated
as Rougher, Bar Mill (steel & rel.); Rougher, Hot-Strip Mill (steel & rel.); Rougher, Merchant Mill
(steel & rel.).
613.362-022 SPEED OPERATOR (steel & rel.)
Operates equipment from pulpit of rolling mill to start, stop,
and regulate speed of rolls, rollers, conveyors, and edgers to reduce gauge of steel slabs and billets:
Turns master switch and motor-breaker switches to build up voltage of mill motors. Moves levers
and switches to set specified roll speeds at each roll stand and signals furnace crew to release slab
or billet onto entry conveyor. Observes gauges, tachometers, and product being rolled to determine
if specified roll speed, motor load, and tension on product is being maintained. Adjusts controls to
regulate rolling speed, to prevent looping, warping, or stretching of product as gauge and
temperature of product is reduced and roll draft is changed. Stops motors or shut down mill for
repairs or roll changes. May assist other workers in making roll changes, and in repairing, replacing,
or adjusting roll line equipment, using handtools.
613.382-010 COILER OPERATOR (steel & rel.)
Operates equipment to wind steel strip into coils as strip
emerges from rolling mill or continuous annealing, pickling, or tempering lines: Moves controls to
synchronize coiling machine speed and action of machine guides, gates, and rolls with feed tables
and conveyors. Examines strip surface for scale, weld defects, and specified oil coating. Verifies
specified width and gauge of strip, using measuring tape and micrometer. Cuts strip into specified
lengths, cuts defects from strip, and cuts excess metal from welds, using power shear and weld
notcher. Moves controls to transfer coils onto conveyor for automatic bundling and piling. May
assist mill crew in making roll changes and in adjusting or replacing equipment on rolling line, using
handtools.
613.382-014 FINISHER (steel & rel.)
Sets up and operates roll stands in finishing mill to roll steel
objects, such as strip, bars, and flats, to specified gauge, shape, and finish: Reads rolling order to
determine setup specifications. Installs guides on stands, using wrenches, bars, and sledge. Grinds
guides to obtain specified fit, using portable power grinder. Moves controls and observes dial
indicators and gauges to set roll draft, adjust guides, and align material with mill rolls. Observes
material leaving leading stand and adjusts controls to obtain specified flatness and straightness, and
to eliminate defects, such as cracks and scratches. Catches steel as it leaves leaf rolls, using hand
tongs, and feeds it into finishing stand, or starts carriage that automatically feeds steel into finish
rollers. Adjusts roll draft when bell signal indicates material is being rolled off gauge. Assists crew
in roll changes and removing cobbles from mill. May remove scratches and polish roll surface, using
polishing stone and electric buffer. May be designated according to type of product finished as
Finisher, Cold Rolling (steel & rel.); Finisher, Hot Strip (steel & rel.); Finisher, Merchant Products
(steel & rel.); Finisher, Plate (steel & rel.).
613.382-018 SCREWDOWN OPERATOR (steel & rel.) alternate titles: finisher, screwdown
Operates electric-screwdown mechanism on rolling mill to
set draft (space between rolls) for reducing slabs, ingots, or billets to specified dimensions, using
knowledge of rolling practices and steel properties: Reads rolling order for dimensions, properties,
and temperature of product to be rolled. Determines, from experience, number of passes and amount
of reduction on each pass required to reduce product to specifications. Moves controls to set rolls
for each pass, according to draft reading on dial indicator. Performs other duties, such as assisting
in roll changes and repairing or adjusting mill equipment. May calibrate dial of screwdown setting
with x-ray reading.
613.462-014 FURNACE OPERATOR (nonfer. metal) alternate titles: soaking-pit operator
Operates furnace to heat aluminum slabs and fabricated
forms to specified temperature for rolling or processing: Sets furnace controls to regulate
temperatures and heating time. Starts conveyors and opens furnace doors to admit slabs, plate, sheet,
and coil, or signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to uncover
soaking pits and lower ingots into them. Observes pyrometer and adjusts rheostat controls to
maintain temperature between specified limits. Measures temperature of product to determine
necessity for adjusting furnace temperature or timing cycle, using thermal instruments and charts.
Removes material from furnace, using crane, or signals OVERHEAD CRANE OPERATOR (any
industry) to transfer it to next station. Records time and production data.
613.462-018 ROLLING-MILL OPERATOR (nonfer. metal)
Sets up and operates hot or cold rolling mill to reduce or
form nonferrous metal into plate, sheet, foil, flatwire, and rod of specified dimensions: Adjusts
rollers, buffs, and guides according to size and dimensions of workpiece, using screwdowns,
micrometer, steel tape, and handtools. Turns valves and observes gauges to regulate flow,
temperature, and solution of roll lubricants and metal coolants. Starts entry or rolloff tables that feed
metal to and from rolls. Threads sheet or rod through rolls for further reduction, or signals
ROLLING-MILL-OPERATOR HELPER (nonfer. metal) 613.685-026 to feed separate sheets or
rods through rolls. Controls speed of rolling mill and roll tables to synchronize flow of metal with
tandem operations, using signals or communications system. Measures width and gauge of rolled
metal, using linear tape and depth gauge and adjusts rolls to form metal to specifications. Observes
rolling operation to detect curling, splitting, or buckling of metal. May change rolls on rolling
machine, using chain or power hoist. May be designated according to type of mill operated as
Tandem-Mill Operator (nonfer. metal); or condition of metal rolled as Cold-Mill Operator (nonfer.
metal); Hot-Mill Operator (nonfer. metal).
613.482-014 PIERCING-MACHINE OPERATOR (nonfer. metal) alternate titles: piercer operator
Sets up and operates piercing machine to shape metal tubes
from billets or enlarge inside diameter of shells according to job order or blueprints: Selects,
positions, and adjusts piercing rolls, which rotate and shape outside of tube, using hoists, wrenches,
measuring instruments, and knowledge of metal properties. Attaches specified piercing point to arbor
to form and control size of internal diameter of tube. Adjusts feed guides, stops, tailstock, and arbor
rings according to size of workpiece, using handtools. Moves levers to control movement of heated
billet as it advances through rolls and over piercing point. Measures finished workpiece to verify
conformance to specifications, using calipers, fixed gauges, and micrometers. May be specified by
employer according to experience with particular material worked or machine operated.
613.662-010 ROLLING ATTENDANT (steel & rel.)
Controls equipment from central console to operate rolling
mill which reduces steel into products of specified size, shape, and gauge: Selects prepunched
schedule cards for section to be rolled according to specifications and feeds into card reader.
Activates card reader memory bank (push-button) which reads and interprets schedule card
information and stores data in storage unit for response to electronic signal in rolling cycle. Sets
selector switches of console for automatic operation of electronic equipment, roll stands, and
auxiliary equipment. Moves console controls to advance steel from approach table to mill entry table
and through complete rolling cycle automatically, to reduce steel products to specified shape, size,
and gauge. Observes, from control pulpit, rolling irregularities in ingot, such as pipe, split end, or
heat loss, and notifies other worker through intercom system to shear defective parts. Observes
rolling operations, dial and colored light indicators, and other gauges, and manipulates control levers
and switches to adjust roll draft, alignment, or mill speed to correct rolling and tolerance deviations
or drift. Stops automated mill and changes to manual control operations on breakdown or failure of
electronic or mill equipment. Assists mill crew in setup, roll change, maintenance, and adjustment
of mill and auxiliary equipment during manual operation of rolling mill. May make adjustments or
minor repairs to electronic control equipment or devices. May move electrical control levers in pulpit
to operate mill tables, scale breakers, and broadsiding mill screwdown when mill operates under
manual control.
613.662-014 ROUGHER OPERATOR (steel & rel.)
Operates roughing mill stands under direction of ROUGHER
(steel & rel.) to reduce steel billets, blooms, or slabs to specified dimensions: Starts roughing rolls
and auxiliary equipment, such as conveyor tables, scalebreaker, and water sprays. Signals
CHARGER OPERATOR (steel & rel.) to discharge metal object from furnace preparatory to rolling.
Moves controls to position metal on conveyor and guide it into rolls. Adjusts controls to regulate
scalebreaker and water sprays that remove scale from metal. Installs guides in roughing stands and
removes cobbles from rolling line. May assist other workers to change rolls, drag scrap, and pull
spanners when mill is down.
613.662-018 COLD-MILL OPERATOR (steel & rel.)
Sets up and operates rolling mill to flatten, temper, and
reduce gauge of steel strip, following rolling orders and using measuring instruments: Reads rolling
order to determine setup and work sequence. Calculates draft (space between rolls) and roll speed
for each mill stand to roll strip to specified dimensions and temper. Turns controls to adjust roll
speed, draft, and tension of strip between reels of coiling mechanism. Installs guides, guards, and
cooling equipment in stands, using handtools. Starts mill to roll test strip and adjusts roll screws,
hydraulic sprays, and mill speeds. Moves controls to start production rolling of steel strip. Examines
steel for surface defects, such as cracks and scratches. Verifies dimensions of steel for conformance
to specifications, using micrometers, thickness gauges, and measuring tape. Directs other workers
in changing rolls, operating mill equipment, removing coils, and banding and loading strip steel.
May be designated according to type of mill operated as Reversing-Mill Roller (steel & rel.);
Tandem-Mill Roller (steel & rel.). May operate mill to temper steel strip and be designated
Temper-Mill Roller (steel & rel.).
613.662-022 STRAIGHTENING-ROLL OPERATOR (any industry) alternate titles: straightening-machine operator
Operates rolling machine to straighten warped or bent metal
plates, bars, or sheets: Threads workpiece between rolls of machine manually or with crane. Turns
handwheels or nuts to adjust tension between one or more sets of aligned drive and adjustment rolls.
Pulls lever to move workpiece through rolls of machine. Hammers or pries workpiece into
alignment, using hammer or pry bar. Examines work for straightness, using straightedge and plumb
bob. Inserts shims under bulges and repeats process to straighten workpiece to specifications. May
be designated by product straightened as Bar-Straightening-Machine Operator (any industry); Plate
Roller (any industry); Wire-Straightening-Machine Operator (any industry).
613.667-010 LINER ASSEMBLER (nonfer. metal)
Attaches metal liners to scalped ingots preparatory to rolling
into clad sheet or plate: Positions ingot on cladding conveyor, using hoist. Cleans scalped ingot with
solvent and rags. Selects specified liners from stack and straps them to both sides of ingot, using
wire and banding machine. Tack-welds liners to ingot, using electric or gas welding equipment. Cuts
wire straps with wirecutter and signals OVERHEAD CRANE OPERATOR (any industry)
921.663-010 to remove lined ingot. May interlay clad ingots with wood spacers.
613.667-014 MILL HAND, PLATE MILL (steel & rel.)
Verifies width of first plate rolled on roughing mill, using
width gauge: Sets gauge for specified width. Places gauge on first plate rolled to determine
conformance to specifications and signals mill operator to continue rolling process. Moves steam-jet
controls and throws salt on plates to loosen scale during rolling operation. Removes scale from plates
and work area with scraper and shovel.
613.682-010 MANIPULATOR (steel & rel.)
Operates manipulator and entry guide mechanism from pulpit
of rolling mill to position ingots or blooms for entry into rolls of mill: Moves levers to transfer ingot
from entrance table onto entrance conveyor, and to align side guards that guide ingot into rolls.
Pushes controls that cause fingers of manipulator to turn ingot after each pass. Assists rolling mill
crew in roll changes and repairs, using handtools.
613.682-014 REELING-MACHINE OPERATOR (steel & rel.) alternate titles: reeler operator
Sets up and operates reeling machine to round out and
burnish inside and outside surfaces of seamless steel tubes: Sets distance between rolls according
to size of pipe shell and positions mandrel support bar between rolls. Installs specified plug on
mandrel. Moves controls to push tube along conveyor, through stationary guides, and into rotating
rolls that force tube over mandrel. Turns handwheel to maintain roll pressure on pipe shell to smooth
surfaces and round out tube to specified diameter.
613.682-018 ROLLER (jewelry-silver.)
Operates rolling machine to roll ingots into metal strips for
use in stamping out jewelry blanks: Positions ingot between pressure rollers. Turns handwheel and
observes calibrated scale indicator to set distance between rollers. Moves lever to start machine, and
readjusts pressure rollers as needed to reduce ingots to strips of specified thickness. Verifies
thickness of strips, using micrometer. May anneal ingot to soften for further rolling.
613.682-022 STRIP ROLLER (metal prod., nec) alternate titles: finish roller
Sets up and operates rolling mill to reduce dimensions of
cold strip metal preparatory to processing metal into springs: Clamps roll of strip metal on reel stand
and threads end of strip through series of machine guides and pressure rolls. Turns screws to adjust
pressure of rollers or presses buttons to regulate reduction of strip to specified gauge. Starts machine,
and moves lever to control rate of feed and tension of strip through mill. Stops machine and
measures thickness of strip, using micrometer or by observing automatic gauge indicator. Resets roll
pressure to reduce strip to specified thickness. May reshape and reduce steel wire.
613.682-026 TABLE OPERATOR (nonfer. metal; steel & rel.)
Operates traveling and stationary tables to feed heated or cold
steel or nonferrous blooms, billets, and slabs to rolls for successive passes through roll stands:
Moves levers to position tilting and trailing tables in front or rear of roll stand and align steel with
roll guides preparatory to feeding steel into rolls. Starts table rollers that feed steel into rolls for
specified number of passes. Aids other workers in making roll changes and adjusting equipment.
May be designated according to type of table operated as Approach-Table Operator (nonfer. metal;
steel & rel.); Delivery-Table Operator (nonfer. metal; steel & rel.); Tilting-Table Operator (steel &
rel.); Transfer-Table Operator (steel & rel.).
613.682-030 MILL OPERATOR, ROLLS (any industry)
Sets up and operates rolling mill to form sheet metal sections
of various types, gauges, and lengths from coils of sheet steel according to blueprints or other
specifications: Verifies gauge and size of raw material against specifications, using tape measure and
gauge. Positions and secures stock-coil on pay-out mandrel and adjusts cone-brake, using handtools.
Spaces and adjusts mill rolls and fits shims on shafts according to specifications, using gauges, rules,
and handtools. Sets trigger mechanism which actuates cut-off die to specified length by setting and
tightening setscrews. Feeds end of coil onto guide table and actuates shear to square end of coil.
Actuates controls on panel to thread lead end of coil through mill. Inspects first piece for variation
from rolling or length specifications and makes necessary adjustments to mill. Starts mill for
automatic operation and controls speed from control panel. Adjusts valves to control flow of coolant
on metal and observes operation of lubrication system. Patrols mill to detect jamming. Inspects raw
material or finished product visually or by measurement for variation from specified quality
standards. Records mill production on schedule sheet. May train new mill operators.
613.685-010 COILER (nonfer. metal; steel & rel.) alternate titles: coiler operator; slitting-machine coiler
Tends coiler that winds metal strips, sheets, or wire into coils
as they emerge from rolling mills, slitters, or other machines: Adjusts coiler guides and rollers
according to size of workpiece, using handtools. Starts machine which automatically winds metal
onto reels and observes operation to prevent jams, uneven winding, or wrinkles. Regulates tension
of coiler to prevent tearing or stretching of metal. Inspects surface of metal for stains, dirt, scratches,
and other defects. Binds finished coils to prevent uncoiling. May move controls to activate hydraulic
pusher arm and tilt table to transfer coil onto skid or conveyor. May be designated by employer
according to experience with particular type of machine, or product coiled.
613.685-014 HEATER HELPER (steel & rel.)
Assists HEATER (steel & rel.) I 613.362-010 in heating steel
to specified rolling temperature in soaking-pit furnaces: Ignites furnace burners, using torch. Turns
valves and dampers of furnace. Records meter readings of furnace. Performs other duties as
described under HELPER (any industry) Master Title.
613.685-018 PIERCING-MILL OPERATOR (steel & rel.)
Tends equipment that pierces steel billets lengthwise
preparatory to making seamless tubing: Moves levers to drop hot billet from conveyor into trough
and ram it along trough into rollers which force center of billet into piercing mandrel. Moves
controls to withdraw piercing mandrel from billet and drop billet on conveyor for further processing.
613.685-022 ROLLER-LEVELER OPERATOR (steel & rel.)
Tends machine that removes wrinkles and creases from
tinplate or blackplate: Starts machine and feeds sheets of tinplate into rolls. Examines plates for
flatness and adjusts rollers as required, using handtools. Cleans equipment and work area.
613.685-026 ROLLING-MILL-OPERATOR HELPER (nonfer. metal)
Performs following duties in rolling nonferrous metal ingots
and bars into plates, sheets, rods, and coils: Guides or turns metal rods or ingots on conveyors or
tables to, from, and through rolls of rod rolling machines, using tongs or automatic handling devices.
Feeds sheets or plates into carriage or table of rolling machines. Cuts jagged edges from sheet, using
hand or machine shears and flattens leading edge of sheet with mallet or machine flattener. Tends
equipment to return metal to entry side of mill for rerolling, to feed or off bear coils of metal, to hoist
coil on machine spindle, pierce coil to raise end of coil and extend it into rollers of mill, and to
remove rolled coil from machine. Clears cobbles (jams), using pry bar, and adjusts guides, using
handtools. Observes rolled metal for defects, such as tears and cracks. Performs other duties as
described under HELPER (any industry) Master Title.
613.685-030 TUBING-MACHINE OPERATOR (nonfer. metal; steel & rel.)
Tends machine that rolls metal ribbon into coils and solders
seams of coils to form conduit tubing: Mounts reel of brass, copper, or steel ribbon and reel of
soldering wire on machine. Feeds metal ribbon and soldering wire into machine. Starts machine that
pulls metal ribbon through series of dies to form coil, joins flanged edges of coil, and solders seams
of tubing. Removes empty reels from machine.
613.685-034 BED OPERATOR (steel & rel.) alternate titles: hotbed operator; hotbed transfer operator
Tends equipment that transfers rolled steel shapes, such as
blooms, billets, rails, and pipe from processing lines to cooling beds: Presses controls to raise roll
stop, start conveyor, and position material opposite specified cooling bed. Pulls levers to start pusher
straightedge and dog-chain (series of projections) that shoves material off conveyor line onto cooling
bed. Moves controls of dog-chain to pull cooled material from bed onto cradle or transfer car.
Records number and type of object cooled. May assist other workers in making roll and hot saw
blade changes and in repairing, replacing, or adjusting mill equipment.
613.686-010 CATCHER (steel & rel.) alternate titles: strander
Guides hot steel shapes, such as bars, rods, and sheets, from
one set of rolls to another: Catches end of hot steel with tongs as it comes through first set of rolls
and feeds end into next set of rolls. May set and adjust repeaters, guides, and rollers, using handtools.
613.687-010 PLUGGER (steel & rel.) alternate titles: rolling-mill plugger
Replaces plugs used to form inside diameter of seamless
tubing in rolling mill machines: Screws specified plug on end of rolling-mill mandrel with tongs or
positions plug in trough of rolling mill, using hoist, preparatory to forming tube. Removes hot plug
with tongs or hoist after tube has been rolled. Immerses hot plug in bosh tank for cooling. Moves
controls to charge and discharge pipe shells from reheating furnace.
614 EXTRUDING AND DRAWING OCCUPATIONS
This group includes occupations concerned with producing rods, tubes, and various solid and hollow sections by forcing hot metal through a die by such means as rams.
614.132-010 SUPERVISOR, DRAWING (nonfer. metal; steel & rel.)
Supervises and coordinates activities of workers engaged in
drawing wire, rods, and tubes from metal stock, applying knowledge of drawing machines and
properties of metal: Examines and verifies dimensions of product to determine if specifications are
adhered to during production, using gauges or micrometer. Instructs new workers in machine
operations. Performs duties as described under SUPERVISOR (any industry) Master Title. May
direct workers in straightening and cutoff processes. May set up or assist workers in setting up
machines. May be designated according to product drawn as Rod-Drawing Supervisor (nonfer.
metal; steel & rel.); Tube-Drawing Supervisor (nonfer. metal; steel & rel.); Wire-Drawing
Supervisor (nonfer. metal; steel & rel.).
614.132-014 SUPERVISOR, EXTRUSION (forging) alternate titles: extrusion press supervisor; metal extrusion supervisor
Supervises and coordinates activities of workers engaged in
forming nonferrous metal from billets in extrusion presses, applying knowledge of extrusion press
operation and properties of metals under heat and pressure. Directs installation of specified dies and
other tooling in extrusion presses. Examines sampling of products for adherence to specifications.
Trains new workers. Performs duties as described under SUPERVISOR (any industry) Master Title.
May set up presses for workers. May be required to have experience with specified products, type
of press, or materials, such as radioactive uranium.
614.380-010 EXTRUSION-PRESS ADJUSTER (elec. equip.)
Sets up extrusion press to extrude carbon rods or welding
rods and coat core (wire) with metallic paste: Selects coating (extruding) nozzles, spacers, and wire
guides, according to diameter and length of rod. Positions, aligns, and bolts abrasive brush, coating
nozzles, spacers, marking wheels, and wire guides to machine, using handtools to set up machine
to form rods of specified size and length. Pulls lever or presses button to set conveyor speed and
extruding pressure. Starts machine that automatically coats wire to form rod of specified diameter
and cuts it to specified length. Examines sample piece for splits in coating or burrs on cut ends.
Measures diameter of rod and concentricity of coating with fixed gauges. Turns screws to adjust wire
guides, spacers, and brushes to eliminate splits and burrs. Varies extrusion pressure or speed of
conveyor, or repositions coating nozzle to vary diameter of rod and maintain concentricity of coating
around wire.
614.382-010 WIRE DRAWER (nonfer. metal) alternate titles: wire-draw operator
Sets up and operates one or more wiredrawing machines to
draw round or fancy-shaped wire or rod through one or series of dies to reduce its cross-sectional
dimension, applying knowledge of working properties of metal and wiredrawing: Studies
specifications and determines setup procedures. Positions and secures specified dies in dieholders,
using handtools. Lifts coil of wire onto feed reel, tapers end, and threads it through dies. Secures end
of wire in jaws of drawing block or onto spool which rotates and pulls wire through dies. Coats wire
with lubricant to facilitate drawing and starts machine. Inspects and measures drawn wire to verify
conformance to specified shape, size, or electrical resistance, using measuring instruments, such as
wire gauges, micrometers, and resistance testers. Cuts defective sections from wire, using wire
cutters. Replaces worn dies, using handtools. Records production. May feed wire through electrodes
of annealing unit to soften work-hardened wire. May weld ends of separate coils together to increase
their length, using welding equipment. May be designated according to experience with particular
size and shape of wire drawn or material worked on as Coarse-Wire Drawer (nonfer. metal);
Fine-Wire Drawer (nonfer. metal). Important variations may also be indicated by trade name of
machine used.
614.382-014 WIRE DRAWER (clock & watch)
Operates wire drawing machine to reduce watch spring wire
from round to rectangular cross section and improve its physical properties: Reads job instruction
which specifies size, number of passes, and amount of reduction on each pass of wire through series
of wire drawing dies. Sets adjustable (flat) die for first pass by turning setscrews on which divisions
are shown. Threads wire from feeding roll through adjustable die and round die (ring-shaped to
control wire width) and attaches end to winding roll. Starts machine and observes operation to
ascertain if drawing is proceeding as specified and makes adjustments to obtain required wire
tension, using handtools. Stops machine when all wire has passed through dies. Switches wound roll
to feeding position and bare roll to winding position, adjusts die for next pass, and repeats until wire
is drawn to size specified. Records production. May examine wire for defects, such as scratches or
cracks, using eye loupe.
614.382-018 WIRE DRAWING MACHINE OPERATOR (inst. & app.; jewelry-silver.)
Operates wire drawing machine to shape or emboss wire used
in dental work and costume jewelry: Reviews work orders and selects shaping, reducing, or
embossing roller dies according to specifications. Positions roller die in machine that shapes,
reduces, or embosses wire, such as gold, silver, or copper, to form dental or jewelry wire. Turns
setscrews to secure roller die in machine. Inserts wire into machine feed mechanism, starts machine,
and monitors machine operation. Measures wire thickness to verify conformance to specifications,
using micrometer. Installs progressively smaller dies in machine and repeats operation until wire
diameter meets specifications. May measure physical properties of wire, such as tensile strength and
bend set, and calculate elongation data, using test instruments and calculator. May record production
information, manually or using computer.
614.482-010 DRAW-BENCH OPERATOR (nonfer. metal; steel & rel.)
Operates drawbench to draw metal rods into specified shape
and diameter: Positions and secures specified die in diehead, using handtools. Moves levers to set
drawing speed according to type and size of material drawn. Inserts pointed end of rod through die
and into holding jaws on dolly. Moves control to pull rod through die. Examines surface of finished
workpiece for defects, such as pits and scratches. Measures rod to verify conformance to
specifications, using template and rule. Replaces worn dies when rod varies from specifications,
using handtools. May coat workpiece with lubricant, or engage automatic lubricating mechanism to
facilitate drawing. May actuate shearing mechanism to cut rods to specified length. May be specified
by employer according to experience with particular type or trade name of machine, or by type of
material drawn.
614.482-014 EXTRUDER OPERATOR (forging) alternate titles: extrusion-press operator
Sets up and operates extrusion press to shape hot billets into
products, such as bars, tubing, structural shapes, and rods: Installs dies, mandrels, containers, heating
coils, press tools, extrusion heads, and run-out bridging in press, according to size and type of
product, using handtools. Removes billet from furnace when color indicates specified temperature
and guides it along extrusion press conveyor onto press bed, and into billet container, using tongs.
Starts ram that spreads billet into container and forces it through press. Regulates rate of extrusion
to prevent metal rupture and adherence of metal to container walls. Starts press run-out table and butt
shears to guide extrusion from press, and to trim flash. Pulls extrusion along conveyor to racking
table. Sprays die with lubricant and caustic, and oils blocks and mandrels. Records data, such as
crew time, number of billets used, and items processed. May operate extrusion press equipped with
furnace that ejects hot billets into press chamber for ram to force through die. May set up and operate
extrusion press to shape hot, radioactive uranium fuel elements.
614.482-018 EXTRUSION-PRESS OPERATOR I (elec. equip.)
Sets up and operates extrusion press and equipment to
extrude and apply flux to wire and to brake, mark, and cut coated wire to form welding rods: Selects,
positions, aligns, and bolts specified coating (extruding) nozzle, spacers, wire guides, abrasive
brushes, cutters, and marking wheels, to machine, using handtools. Places slugs of compressed flux
into feeding chamber on welding rod extrusion head. Places boxes of specified wire core on tilter
and pulls lever to dump wire into feeder. Starts machine and observes movement of wire through
machine to detect malfunctions. Examines completed welding rods for cracks, voids, scores, or
scuffs, and measures rods with fixed gauges to determine diameter and concentricity of flux coating.
Presses buttons to alter pressure of ram in feed action or speed wire feeder and turns screws to adjust
coating nozzle or to position wire guides, spacers, and brushes to eliminate splits, scores, and burs.
May adjust controls to maintain specified temperature in ovens. May assist in repair of machine and
equipment. May sort rods according to length.
614.586-010 WIRE CHARGER (elec. equip.)
Feeds wire and slugs of fluxing material into extrusion press
that coats welding electrodes: Selects wire cores of specified size, places box of cores on tilter, and
pulls lever to dump cores in wire feeder hopper, or selects spool of specified size wire and places
spool on mandrel for threading through extrusion machine. Removes crustations or trims slugs
(compressed flux) to size of extrusion machine cylinder, using knife. Places slugs into feeding
chamber of machine. Assists other workers to clear machine of jammed rods. Records production
data.
614.682-010 DRAW-BENCH OPERATOR (any industry)
Operates extrusion machine to form flat metal strips into
tubular, channel, angular, or other shapes. Positions and bolts or clamps single or multiple dies on
bed of press, using handtools. Loads coil of strip metal on spindle of machine. Feeds strip between
dies, and locks front end of strip in gripping jaws or dog of power carriage. Turns handwheels to
close and tighten dies on metal strip and starts machine. Stops machine after metal is formed and
removes piece from between dies. Cuts formed piece into specified lengths, using electric saw, and
verifies conformity of piece to specifications, using micrometers and calipers. Clears dies of loose
burrs with blast of compressed air. May straighten sheet metal parts.
614.684-010 BILLET ASSEMBLER (chemical)
Assembles uranium fuel elements for subsequent extrusion
in atomic fuel plant: Reads production schedule to ascertain number and size of uranium fuel
elements to be assembled and percentage of uranium to be used in each fuel element. Places
components, such as copper and zirconium sleeves, uranium billets, and end plates in basket, and
immerses filled basket in chemical and rinsing solutions to clean grease, dirt, scale, and other foreign
matter from components, using crane. Transfers baskets of components to drier, using crane, and
starts blower unit that circulates air to remove moisture from components. Conveys components to
assembly table, using crane. Positions components together in specified relationship to form fuel
element subassembly. Secures subassembly on rotating base of welding equipment, and welds
sections to seal assembly, using argon-gas welding equipment. Connects sealed fuel element valve
to pump and activates pump to create vacuum in fuel element to prevent oxidation of element during
extrusion process. Connects fuel element to helium leak detector and observes dial readings to detect
deviations from standards for each element. Rewelds and retests defective fuel elements.
614.684-014 TESTER OPERATOR (nonfer. metal) alternate titles: breaker operator; nicker and breaker
Breaks extruded tubes and rods by one or more of following
methods and inspects exposed surface for defects, such as bubbles beneath skin of metal resulting
from too rapid extrusion: (1) Nicks workpiece, using file or saw, and breaks workpiece at nick by
bending back and forth. (2) Saws off piece of tube and holds on table under cone-shaped expander
of hydraulic breaker. Starts mechanism to raise table, forcing tube over expander to split sides of
tube. (3) Loads coiled rod onto coil tester and pulls end of rod to straighten it. Places end of rod in
channel of tester and starts mechanism oscillating to fracture rod. (4) Places rod in machine and
actuates wedge to partially cut rod. Twists and bends rod to break off test piece. Examines ends or
interior of rods and tubes for bubbles and cuts off defective sections, using circular saw or automatic
shears. Gathers and sorts scrap materials according to type of metal. Positions rods and tubes on
table of circular saw or shearing machine and cuts them to length. Important variables may be
indicated by trade names of machines used or workpiece tested.
614.685-010 EXTRUDING-PRESS OPERATOR (ordnance)
Tends machine that presses lead ingots or billets through
extrusion die to form slugs or lead wire for processing into bullets or cores used in jacketed bullets:
Swabs mouth of press with grease and positions ingot or billet beneath ram. Starts motor and presses
lever to lower ram that forces lead through die and between wheels that cut lead wire into slugs or
wraps extruded wire on spool. Removes catch box when full of slugs or filled spool. May verify
weight of slug on scales to ascertain that production specifications are maintained.
614.685-014 EXTRUSION-PRESS OPERATOR II (elec. equip.)
Tends machine that coats wire with flux and marks and cuts
wire into specified lengths to produce welding electrodes: Starts machine and observes as cores are
automatically conveyed through wire feeder, coating nozzle in extrusion head, and past abrasive
brushes, cutters, and marking wheels. Examines welding rods for cracks, voids, scores, or scuffs.
Presses buttons to alter pressure of ram in feeding cylinder or speed of wire feeder to correct defects
in formation of rods. May measure welding rods with fixed gauge and turn screws to adjust coating
nozzle to obtain specified diameter and concentricity of rod. May adjust abrasive brushes that
remove flux from ends and center of coated rod at cutting point. May adjust controls to maintain
specified temperature when extruding carbon rods.
614.685-018 REDUCING-MACHINE OPERATOR (optical goods)
Tends machine that reduces diameter of temple wire (used
in eye glass frames) and temple soldered joints. Inserts wire between dies mounted in chuck. Starts
machine that hammers wire in dies to uniform size as chuck revolves.
614.685-022 TUBE DRAWER (nonfer. metal; steel & rel.) alternate titles: draw-bench operator; seamless-tube drawer
Tends tube drawing machine that shapes and forms metal
tubing of specified internal and external diameters: Positions and fastens specified drawing die in
diehead and plug die on plug rod, using handtools. Centers plug die in opening of drawing die. Loads
tube over plug rod manually, or activates automatic loading mechanism. Places tapered end of tube
in contact with dies of machine that automatically pulls tube through dies. Examines finished tubing
for defects, such as scratches, pits, and cracks, and measures cross-sectional dimensions with fixed
gauges and micrometers to verify conformance to specifications. May taper end of tubing [LATHE
TENDER (machine shop) 604.685-026]. May operate controls to start machine carriage that grips
and pulls tubing through die. May be required to have experience with particular metal, or type and
trade name of machine.
614.685-026 WIRE-DRAWING-MACHINE TENDER (nonfer. metal)
Tends machines that weld ends of wire together to form
continuous coil and draw wire through dies to reduce wire to specified diameter: Lifts reels of wire
onto spindle of floor stand, manually, or using hoist. Welds ends of wire together, using welding
machine. Smooths weld to diameter of wire, using abrasive cloth. Threads wire around tension
rollers, and through reducing dies, and fastens end of wire to spindle. Starts machine that draws wire
through dies and around takeup reel. May verify diameter of drawn wire, using micrometer. May
record production.
614.686-010 DRAW-BENCH-OPERATOR HELPER (nonfer. metal; steel & rel.) alternate titles: push-bench-operator helper; tube-draw helper
Assists DRAW-BENCH OPERATOR (nonfer. metal; steel
& rel.) in drawing metal tubes or rods by performing various duties according to set procedure: Lifts
die and plug onto machine. Rolls or lifts workpieces onto machine table manually or using hoist.
Swabs or brushes lubricant on workpiece to facilitate drawing. Piles drawn workpieces according
to specified procedure, and attaches tubes to crane, using straps and hooks. Performs other duties as
described under HELPER (any industry) Master Title.
614.686-014 TESTER-OPERATOR HELPER (nonfer. metal)
Assists TESTER OPERATOR (nonfer. metal) in cutting and
breaking ends of rods and tubes to expose cross-sectional surface for inspection: Feeds end of
workpiece into cutting mechanism, manually or with hoist. Piles workpieces in designated areas.
Salvages scrap materials and examines surface of workpiece for defects, such as pits and scratches,
and bubbles beneath surface of workpiece. Performs other duties as described under HELPER (any
industry) Master Title.
615 PUNCHING AND SHEARING OCCUPATIONS
This group includes occupations concerned with perforating (punching) metal by means of dies and punches; and cutting or shearing metal by the action of keen-edged cutting tools. Punching and shearing of nonmetallic materials, except wood, are also included when the methods and machine tools commonly applied to the working of metal are used.
615.130-010 PRESS-HAND SUPERVISOR (jewelry-silver.) alternate titles: power-press supervisor; tool setter
Supervises and coordinates activities of workers engaged in
shaping and cutting rings, ring blanks, and jewelry findings, utilizing knowledge of power-press
setup and product specifications. Sets up tools and machines. Examines fabricated articles for
defects. Performs other duties as described under SUPERVISOR (any industry) Master Title.
615.130-014 SUPERVISOR (cutlery-hrdwr.)
Supervises and coordinates activities of workers engaged in
manufacturing tools, such as chisels, screwdrivers, planes, levels, miter boxes, bit braces, and garden
shears: Sets up and adjusts machines, such as punch press, riveting machine, lathe, grinders, milling
machines, and welding machines based on knowledge of machine capacities and properties of
materials, such as metal, wood, plastic, and glass. Verifies dimensions of parts, using micrometers,
vernier calipers, height gauges, thread gauges, depth gauges, and fixed gauges. Adjusts machines
when parts fail to meet specifications. Performs other duties as described under SUPERVISOR (any
industry) Master Title.
615.132-010 SUPERVISOR, SHEARING (any industry)
Supervises and coordinates activities of workers engaged in
cutting, punching, shearing, and slitting metal sheets or metal strips: Plans and coordinates sequence
of operations. Directs workers in machine setup. Observes workers and machines to detect errors or
malfunctions and orders corrective actions. Examines sample products for adherence to
specifications. Trains new workers. Performs duties as described under SUPERVISOR (any
industry) Master Title. May verify weight and quantity of items produced.
615.280-010 SLITTER SERVICE AND SETTER (tinware)
Sets up and repairs machines that automatically cut tinplate
sheets into specified size: Installs and aligns disk cutters on machine spindle, following blueprints
or work orders and using handtools. Tests and adjusts feed mechanism and synchronizes feeder with
machine cutting speed, using gauge and handtools. Diagnoses cause of machine malfunction and
dismantles machine to gain access to and remove defective parts, using handtools and power tools.
Examines parts for defects, such as excessive wear, cracks, and broken gears. Repairs or replaces
defective parts, adjusts, and aligns parts to specified tolerances, using gauges, handtools, and power
tools. Starts machine to test performance and examines first run products to ensure they conform to
specifications. Removes jammed metal, using tongs and probes. Lubricates and cleans machine.
615.380-010 SHEAR SETTER (any industry)
Sets up power shear to cut metal sheet, plate, or bar stock
according to work card or blueprint specifications: Lays out cutting lines on metal stock according
to work order, using ruler and square, to obtain maximum number of pieces from stock. Sets stops,
guides, rake (angle) and pressure of blade on machine, using wrenches, rule, built-in gauge, or
template. Measures dimensions of first piece for conformance to specifications, using rule and
square, or has piece approved by inspector. Turns machine over to SHEAR OPERATOR (any
industry) II. May install fixtures to shear, trim, or bevel workpiece.
615.382-010 PUNCH-PRESS OPERATOR I (any industry)
Sets up and operates power press to trim, punch, shape,
notch, draw, or crimp metal, composite, or plastic stock: Assembles, installs, and aligns dies in press
according to specifications, using feelers, shims, templates, bolts, clamps, and wrenches. Adjusts
ram stroke to specified length. Positions workpiece against fixtures or stops on machine bed or on
die. Starts press and observes operation to detect misalignment or malfunction. Inspects workpieces
for conformance to specifications, visually or using gauges or templates, and adjusts machine to
correct errors. May clean and lubricate machines. May be designated according to type of machine
as Multiple-Punch-Press Operator (any industry) I; or by function of machine as Draw-Press
Operator (any industry); Forming-Press Operator (any industry) I; Straightening-Press Operator (any
industry) I; Stretching-Press Operator (any industry).
615.482-010 ANGLE SHEAR OPERATOR (any industry)
Sets up and operates shearing machine equipped with sets
of cutting dies or blades to shear structural shapes, such as angles, channels, and Z-bars to specified
length or bevel: Aligns and locks selected blades into opening of machine, using rule, gauge, shims,
feelers, and wrench. Sets guide stop to specified distance from shearing die, using tape measure and
wrench. Positions workpiece on shearing die and against guide stop. Starts machine to activate cams
which force blades to shear metal, or depresses pedal, causing shearing die ram to descend and cut
workpiece to specified length. May set up shear with single set of blades to cut bars or rounds.
615.482-014 DUPLICATOR-PUNCH OPERATOR (any industry)
Sets up and operates duplicator punch which follows tracer
track on template and punches, blanks, and notches metal plates, sheets, and structural shapes:
Positions and clamps track template onto template table of machine. Inserts, aligns, and locks
specified punches and dies in ram and bed of machine, using hammer, shims, feelers, micrometers,
and setscrews. Places workpiece on carriage of machine manually or by using jib or crane. Aligns
workpiece to scale on machine and clamps it to carriage. Sets end and side stops to position
successive pieces. Positions tracer arm onto track templates and turns handwheels to move carriage
along track to punching stations. Pulls lever to activate punch. Positions punch or die over layout
marks on jobs for which no template has been made. Inspects work to verify location of holes, using
scale, compass, and plug gauges.
615.482-018 IRONWORKER-MACHINE OPERATOR (any industry)
Sets up and operates machine equipped with separate sections
that cut-to-length, punch, and notch or trim structural shapes and plates: Positions specified punch
and die set and turns pressure screws to lock them into ram and bed of machine to set up punching
section. Positions specified cutting blades into cutting slot, and notching dies or shear blades into
ram and bed of machine, and turns pressure or clamp screws to lock them in place to set up cutoff,
and trimming-and-notching sections of machine. Measures workpiece with rule or tape, or traces
from template to locate holes or cutting lines as specified by work order, and marks them with scribe,
soapstone, or centerpunch. Pulls lever to engage power to section used. Positions workpiece into
cutting slot, or under punch, die, or trim blade, and aligns punch or blade with layout marks. Pulls
lever or depresses pedal to activate machine. Sets stops or positions guide jigs to specified point on
built-in scale when several pieces are worked. May tend different sections of machine.
615.482-026 PUNCH-PRESS OPERATOR, AUTOMATIC (any industry)
Sets up and operates power press that automatically feeds
bars, structural metal, blanks, or continuous roll of sheet metal into position under ram: Installs
specified dies in press, using gauges and handtools. Adjusts ram stroke of press, using handtools.
Turns knobs or installs gears to synchronize action of feed bar or pinch rollers with feed and takeoff
conveyor and automatic action of ram. Positions and clamps feed guides. Threads metal strip from
play-out reel through pinch rollers, or loads hopper or conveyor with metal blanks. May operate
machine to crimp, punch, and cut metal foil used in fabricating radiator cores.
615.482-030 ROTARY-SHEAR OPERATOR (any industry) alternate titles: circular-shear operator; ring-shear operator
Operates machine equipped with opposing circular blades
(one mounted above other) to shear metal plates and sheets to specified circular and curved
dimensions: Turns thumbscrew to adjust distance between cutters to thickness of metal, using feeler
gauge, scale, or pattern. Positions and clamps workpiece to turntable and sets specified distance
between center point of workpiece and cutting blades, using template or sliding scale on machine.
Starts rotating action of cutters and turntable to cut metal. Lifts and aligns workpiece between cutting
blades manually or by hoist and guides it along layout lines to cut irregular shapes. May lay out lines
onto workpiece, using compass, or trace from template. May turn handwheel which tilts machine
table or install fixture to cut specified bevel on workpiece.
615.482-038 TURRET-PUNCH-PRESS OPERATOR (any industry) alternate titles: multi-punch operator
Operates turret punch press to punch holes or layout marks
in metal sheets, plates, strips, or bars, following charts which list machine settings for each cut:
Inserts, aligns, and locks punches and dies in turret, using hammer, shims, feelers, micrometers, and
setscrews. Places workpiece on table manually or by using crane. Aligns workpiece to scale and end
gauge on machine and clamps it to machine table. Pushes button to turn turret to specified punch and
die. Turns cranks to set indicator to specified dimension on forward and lateral machine scale.
Presses pedal to activate punch. Repeats operation for each machine setting specified on charts.
Positions center punch from turret to touch plate and turns crank to scratch layout lines. May
compute punch charts from blueprints, using square, scale, and applying knowledge of shop
mathematics. May punch holes in nonmetallic materials.
615.662-010 SLITTING-MACHINE OPERATOR II (any industry)
Sets up and operates slitting machine to cut sheet metal into
strips of specified widths: Selects, cleans, and installs spacers and cutters on arbors, and hones
cutters with oilstone to remove nicks. Presses button to lower arbor until cutters mesh, and measures
clearance with feeler gauge. Inserts spacers to adjust spacing to specified tolerance. Signals
OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to lift metal roll to play-out reel
or places roll on reel, using overhead chain hoist. Threads sheeting through slitter and verifies
dimensions of cut to specifications, using rule. Secures strips on recoiler, adjusts guides and roller
tension with handcrank, and starts machine. Observes slitting and rewinding operation and examines
cut strips for flatness, holes, burrs on edges, and surface defects. May oil and clean machine. May
feed sheet metal between rotating shear rolls. May install rubber sleeves over spacers to provide
gripping surface for rollers and to facilitate movement of material being slit. May operate panel to
control specific units of equipment, such as feeder unit.
615.682-010 FLYING-SHEAR OPERATOR (steel & rel.)
Sets up and operates mill equipment, such as flying shear,
guides, and crop or entry gates, to cut steel products to specified lengths: Reads production schedule
to determine setup or adjustment of equipment. Installs knives in shear and guides on roll stands,
using handtools and sledge. Turns rheostats to adjust cutting action of shear according to specified
length of product. Starts shear and moves controls to raise and lower pinch rolls, adjusts guides, and
opens and closes shear gates. Assists other workers in roll changes and in removing cobbles (waste
steel) from rolling line.
615.682-014 PUNCH-PRESS OPERATOR III (any industry)
Operates power press equipped with punch to notch or punch
metal or plastic plates, sheets, or structural shapes: Positions, aligns, and clamps specified punch and
die set into ram and bed of machine, using feelers, gauges, shims, rule, or template. Turns handwheel
or installs shims to set depth of stroke. Lifts workpiece onto machine bed or roller table, manually
or by using jib or crane. Positions layout marks on workpiece between punch and die. Positions and
clamps guide stops to run successive pieces. Starts ram to drive punch through workpiece. May
operate machine equipped with two or more punch and die sets. May trace layout marks or
workpiece from template. May be designated according to function of machine as Notching-Press
Operator (any industry).
615.682-018 SHEAR OPERATOR I (any industry) alternate titles: plate-shear operator; power-shear operator
Sets up and operates power shear to cut metal objects, such
as plates, sheets, slabs, billets, or bars to specified dimensions and angle: Turns handwheels to adjust
rake (angle) and pressure of blade. Positions and clamps stops and side guides to set length and angle
of cut, using rule, built-in gauges, or template. Lifts workpiece manually or by hoist or crane to
machine bed or roller table and positions it against side guide and end stops. Starts machine which
clamps workpiece and lowers blade to cut metal. Lays out cutting lines on metal, using rule, square,
or template when shearing single pieces. May tilt bed, blade, or install fixtures to shear, bevel, or
trim fabricated items. May set up and operate shear on production line in which shear is fed by
conveyor, such as automobile frame line or rolling mill. May operate portable shear to cut sheet
metal. May inspect work, using tape, compass, gauge, template, or micrometer to verify dimensions.
May be designated by type of shear as Gate-Shear Operator (any industry) II; or by application of
shear as Square-Shear Operator (any industry) I; Staple-Shear Operator (steel & rel.). May operate
shear that automatically shears to uniform length metal sheets, plates, or structural shapes fed into
machine by continuous coil or conveyor and be designated Shear Operator, Automatic (any industry)
I.
615.685-010 BURRING-MACHINE OPERATOR (nut & bolt)
Tends semiautomatic machine that removes burrs from
hot-forged nut blanks: Shovels nuts into tray that feeds machine. Starts machine. Picks up nut blanks
discharged from hopper onto table and positions nuts, burr side up, in channel that gravity feeds nuts
into burring cutters. Inspects nut blanks for burrs and readjusts cutters to ensure that burrs are
removed.
615.685-014 CLEARANCE CUTTER (clock & watch)
Threads wire through rollers of automatic press that punches
out clearances (excess metal) from flat steel wire leaving continuous strip of watch hands. May
punch out feed holes (holes in wire strip that permit feeding of wire into machines at a fixed rate).
615.685-018 CUP-TRIMMING-MACHINE OPERATOR (ordnance)
Tends speed lathe to perform cutting-off operation on
aluminum cups to be used as component parts of projectile and bomb fuses: Inserts blank cup into
revolving spring collet in headstock of machine, using jig. Removes jig, causing collet to secure cup.
Depresses pedal to bring cutting tool in contact with revolving cup and cut it to specified length.
Removes cup from machine.
615.685-022 CUT-OFF-MACHINE OPERATOR (ordnance)
Tends battery of automatic machines that cut lead wire into
slugs to be swaged into bullets or bullet cores for small arms ammunition: Positions drum of wire
at rear of machine and threads wire over pulleys and through guides and pull rollers to cutter.
Adjusts stroke of cutoff knife to vary length of slugs, using screwdriver and wrench. Starts machine
and observes operation for malfunction. Weighs sample slugs on scales to verify conformance to
specifications. Empties and replaces slug catch box.
615.685-026 NIBBLER OPERATOR (any industry)
Tends machine that cuts metal plates, sheets, or structural
shapes into specified radial or irregular shapes by action of reciprocating cutting knives or punches:
Positions and clamps specified cutter or punch into ram and bed of machine. Turns thumbscrews to
adjust depth of stroke to thickness of metal. Turns handwheel to set specified distance between cutter
or punch and center point of turntable or fixtures, using built-in scale or rule. Clamps guide and drive
rollers over workpiece. Depresses pedal which activates ram and feed rollers to cut or punch along
radius. Guides workpiece manually along cutting lines or template to cut irregular shapes. May lay
out guidelines onto workpiece by tracing from template. Mat drill center hole into workpiece, using
portable drill. May bevel edges of steel plates, using portable pneumatic nibbler.
615.685-030 PUNCH-PRESS OPERATOR II (any industry)
Tends one or more power presses that trim, punch, shape,
notch, draw, or crimp metal, composite materials, or plastic stock between preset dies: Places
workpiece against fixtures or stops on machine bed and under machine die, or threads roll of metal
into jig. Starts press and monitors machine operation to detect misalignment or malfunction. Inspects
parts visually, or with fixed gauges to verify conformance to specifications or to detect fabrication
defects. May be designated according to product machined as Sprue-Cutting-Press Operator
(foundry); or function of machine as Forming-Press Operator (any industry) II; Trimming-Press
Operator (forging); or according to type of press operated as Multiple-Punch-Press Operator (any
industry) II.
615.685-034 SHEAR OPERATOR II (any industry) alternate titles: power-shear operator
Tends power shear that cuts metal objects, such as sheets,
plates, billets or bars, to specified length: Lifts workpiece manually, or by hoist or crane, to machine
bed or roller table. Positions workpiece against side guides and end stops or aligns layout lines under
shear blade. Starts machine that clamps workpiece and lowers blade to cut metal. May tend shear
on production line where shear is fed by conveyor, such as automobile frame line or rolling mill.
May position stops according to calibrated gauge on machine to shear to length such items as scrap,
billets, or reinforcing rods. May verify size of sheared items, using tape measurer, caliper, or
template. May shear metal to specified circular or curved dimensions. May be designated by type
of shear as Alligator-Shear Operator (any industry); Gate-Shear Operator (any industry) I; or by
application of shear as Hot-Billet-Shear Operator (smelt. & refin.; steel & rel.); Scrap-Shear Operator
(any industry); Square-Shear Operator (any industry) II.
615.685-038 STRIP-METAL-PUNCH-AND-STRAIGHTENER OPERATOR (wood. container)
Tends machine that straightens coiled strip metal, cuts it into
strips of specified length, and punches holes in strips: Hangs coiled metal on spindle between guides
of machine. Inserts end of metal between feed rolls of machine. Starts machine that feeds strip
through straightening rolls under punching and trimming dies that cut strip to specified length and
punch holes in it.
615.685-042 TURRET-PUNCH-PRESS OPERATOR, TAPE-CONTROL (any industry)
Tends tape-controlled turret or hydraulic-powered punch
press that automatically positions $T3indexing$T1 table, selects punch, and punches holes, or layout
marks in metal sheets, plates, strips, or bars: Positions and clamps workpiece against fixtures or to
specified point on built-in scale. Threads tape through electronic reader to specified position. Starts
machine and observes operation. May verify first piece, using rule and plug gauges. May open
chucks, using wrench to replace worn or broken punches and dies.
615.685-046 CUTTER-MACHINE TENDER (electron. comp.) alternate titles: shearer, printed circuit boards
Tends machine that cuts copper or aluminum laminated
fiberglass sheets, hardboard, and cardboard backers for production of printed circuit boards (PCB's):
Reads work orders to determine type, size, and quantity of PCB materials to be cut. Adjusts guides
on machine to regulate width of cut, using ruler or following calibrated scale on machine bed.
Positions and aligns sheets against guides, and depresses pedal to activate blade that cuts material.
Adjusts guides and repositions material to trim or square edges to specifications. Records production
data. May mount material on spindle of machine that automatically feeds material onto bed of
machine for cutting. May tend pinning machine that inserts metal pins into laminated boards and
related backing material prior to drilling operation. May replace machine blades, using handtools.
May bake cut boards in oven to remove excess moisture. May clean machines.
615.687-010 HELPER, SHEAR OPERATOR (steel & rel.) alternate titles: sidehand
Assists side shear crew to move, position, and hold hot-rolled
steel plate for shearing operations, using push bar and plate wrench: Pushes steel plate over caster
bed equipped with goose neck rollers to align plate under knife blade, using long handle push bar.
Positions and holds steel plate on shear block to prevent movement during shearing operation, using
plate wrench. Assists crew in charging shear knife blade, using handtools. May lubricate knife blade
and shear table, using oilcan.
616 FABRICATING MACHINE OCCUPATIONS
This group includes occupations concerned with shaping, fitting, and assembling metal parts. Shaping, fitting, and assembling of nonmetallic parts, except wooden, are also included when the methods and machine tools commonly applied to the fabrication of metal are used.
616.130-010 SUPERVISOR (nut & bolt)
Supervises and coordinates activities of workers engaged in
forging, trimming, thread rolling, and tapping of metal stock to produce nuts, bolts, screws, or other
fasteners. Trains workers in machine operations. Performs duties as described under SUPERVISOR
(any industry) Master Title. May design tools. May set up and repair machines. May inspect finished
products for conformance to specifications.
616.130-014 SUPERVISOR, SPECIALTY MANUFACTURING (steel & rel.)
Supervises and coordinates activities of workers engaged in
cutting, leveling, shearing, threading, and punching steel products, such as bars, rounds, pipe, plate,
and strip to specified patterns or shapes. Trains workers in operation of shears, and pipe cutting and
threading machines. Performs other duties as described under SUPERVISOR (any industry) Master
Title.
616.130-018 SUPERVISOR, SPRING PRODUCTION (metal prod., nec)
Supervises and coordinates activities of workers engaged in
shearing, punching, forming, tempering, assembling, coiling, peening, and painting springs. Trains
workers in operation of equipment. Performs duties as described under SUPERVISOR (any
industry) Master Title. May be designated according to activities of workers supervised as
Supervisor, Forming And Tempering (metal prod., nec); Supervisor, Leaf-Spring Fabrication (metal
prod., nec); Supervisor, Leaf-Spring Repair (metal prod., nec).
616.130-022 SUPERVISOR, STEEL DIVISION (furniture)
Supervises and coordinates activities of workers engaged in
spinning and assembling wire coils to form mattress innersprings and bedspring units. Directs
production workers and machine maintenance personnel in setting up and adjusting equipment, such
as coiling, crimping, and wire-border forming machines. Performs other duties as described under
SUPERVISOR (any industry) Master Title. May set up machines. May be designated by department
as Coil-Machine Supervisor (furniture); Spring-Assembler Supervisor (furniture).
616.260-010 EMBOSSING TOOLSETTER (ordnance)
Sets up and adjusts machines that roll grooves or knurls into
shotgun shell caps preparatory to joining cap to shell body.
616.260-014 MULTI-OPERATION-FORMING-MACHINE SETTER (any industry)
Sets up automatic multiple-operation machines to perform
any combination of bending, punching, roll forming, beading, cutting, flanging, shearing, seaming
and welding, soldering, or clinching to fabricate metal parts, such as rims, molding, cans, tubing, and
housing: Sets stops and guides. Installs and aligns forming and drive rolls, roller dies, punching,
notching, and cutting dies and rams, shears, or saw blades. Installs electrodes and adjusts voltage to
set up welding or soldering unit. Installs coil of tinplate for presses. Adjusts speed controls to
synchronize action of rolls, cutoff, welding unit, drive rolls, conveyor, or transfer machine. Greases
and oils machinery, using grease gun, oilcan and brush. Operates machines for test run to verify
setup. Turns machine over to MULTI-OPERATION-FORMING-MACHINE OPERATOR (any
industry) II. May set up mechanized line of machines which operate in tandem. May repair
malfunctioning machines. May be designated by function of machines as Production Mechanic, Tin
Cans (tinware); Rim-Roller Setter (auto. mfg.); Tubing-Mill Setter (any industry).
616.260-018 SPRING COILING MACHINE SETTER (metal prod., nec)
Sets up automatic spring coiling machines to fabricate
compression and extension springs from steel wire, according to blueprints and setup charts:
Reviews blueprint to determine setup procedures to follow, machine attachments required, and stock
to use, or obtains details from setup charts. Selects machine attachments, such as taper cams, wire
size block, coiling point, pitch tool, and cutting tool, according to blueprint or setup chart, and
installs them on machine. Verifies wire diameter with micrometer caliper and threads wire through
drive rollers and machine guides. Sets cams, turnbuckle, and pitch tool to control spring dimensions.
Makes trial run and measures sample product for conformance to specifications, using gauges and
micrometers. Adjusts machine to attain specified tolerances and releases machine to SPRING
COILER (metal prod., nec) with oral instructions concerning its operation. Grinds cams and pitch
tool to maintain their dimensions. May recommend blueprint changes. May make tool attachments,
such as coiling point, cams, forming tools, and cut-off tools if not in stock.
616.260-022 TORSION SPRING COILING MACHINE SETTER (metal prod., nec)
Sets up torsion spring coiling machines, according to
blueprints and setup charts, to fabricate torsion springs from round wire: Reviews blueprint to
determine setup procedures to follow, machine attachments required, and material specifications for
new part, or obtains details from setup chart for repeat orders. Requests delivery of specified stock
from stockroom to work area. Selects machine attachments, such as arbors, cams, and feed
mechanism, according to blueprint or setup chart, and installs them on machine. Verifies wire
diameter, using micrometer caliper, and mounts wire on reel stand and threads end through feed
mechanism. Sets arbor cam to control pitch of spring. Makes trial run and measures sample for
conformance to specifications, using micrometers and gauges. Adjusts machine to attain specified
tolerances and releases machine to SPRING COILER (metal prod., nec) with oral instructions
concerning its operation. Grinds machine parts, such as cams and arbor, to maintain dimensions.
Recommends blueprint changes to resolve production problems.
616.280-010 SPRING MAKER (metal prod., nec)
Sets up and operates variety of machines to fabricate small
lots or samples of coiled compression, extension, and torsion springs, and other wire forms from
steel wire or strip, following blueprints, drawings, and setup charts: Selects machine tools, such as
arbor, grooved tool, and pitch tool, and installs them on lathe winder. Operates lathe winders to form
coiled flat and wire springs [LATHE WINDER (metal prod., nec)]. Crimps and trues coiled springs
and bends wire and flat forms to specified shape, using handtools, vise, and forming plates. Operates
forming presses to form spring washers and flat metal products from flat stock. Measures products
for conformance to specifications, using calipers, micrometers, and other gauges. Places pan of
springs in gas-fired oven or places individual springs in molten lead bath for heat treating and
removes springs after specified period of time to air or water cool. Recommends changes in
blueprints, in machine setup, type of metal, and methods and procedures operations for making
products. Makes spring-machine attachments and tools not in stock [TOOL MAKER (machine
shop)].
616.360-010 BODY-MAKER-MACHINE SETTER (tinware)
Sets up battery of automatic machines that form tin-can
bodies: Lights and tends gas burners under soldering vats and adjusts thermostats to regulate
temperature of molten solder in machines. Tests air pressure of vacuum feed cups with gauge. Starts
machine and observes operation to detect malfunctioning. Inspects can bodies and adjusts machine
action until bodies conform with specifications. Adjusts machines for change to different sizes of
can bodies. Maintains supply of bar solder in melting reservoirs and adjusts thermostat regulators
to regulate flow of molten solder into machine. Adjusts equipment and replaces defective regulator
units, using handtools. May repair malfunctioning machines.
616.360-014 LOOM SETTER, WIRE WEAVING (metal prod., nec)
Sets up power looms to weave wire into screening and cloth
to size, mesh, and weave patterns specified by work orders, diagrams, and data charts, applying
knowledge of machine function, principles of mechanics and shop mathematics: Selects functional
machine parts, such as reeds, heddles, and shuttle, according to wire specified and aligns and bolts
them to machine. Selects, positions, and installs cams, shuttle thrower, and gears and turns speed
control knobs to synchronize action of machine to produce size and pattern of weave specified, using
precision measuring instruments and handtools. Turn knobs to adjust electric eye control which
automatically stops machine when specified run is completed, shuttle or warp wire runs out, or wire
breaks. Threads wire from back beam through heddles and reeds to cloth roll, and install bobbins in
shuttle. Starts machine and makes trial runs. Inspects sample, visually and using gauges and
readjusts machine to correct malfunction. May replace or repair broken parts of machine. May tend
bobbin-winding machine to wind bobbins for installation in loom. May be designated by product
specialty as Loom Setter, Fourdrinier (metal prod., nec).
616.360-022 MACHINE SETTER (any industry)
Sets up various metal fabricating machines, such as brakes,
shears, punch presses, bending and straightening machines, to cut, bend, and straighten metal as
specified by layout, work order blueprints, and templates: Positions, aligns, and bolts dies, blades,
bedplates, cushion pins, and stops, using shims and measuring tools, such as squares, straightedges,
rules, micrometers, gauges, feelers, templates, and handtools. Adjusts flow of lubricants, pressure
and depth of stroke, or feed of material, applying knowledge of thickness and properties of metal or
according to standard specifications. Makes trial runs and measures workpiece for conformance to
specifications. Instructs operator in special handling techniques. Clears jams and corrects
malfunction of machines. Reports need for machine repairs to supervisor. Dismantles setups. May
sharpen shear blades, drills, on cutting tools. May set up drill presses, flame cutting, and welding
machines. May set up automatic or multipurpose machines. May specialize in setup of single type
of machine and be designated accordingly as Brake Machine Setter (any industry). May set up
machines common to sheet metal operations and be designated Machine Setter, Sheet Metal (any
industry).
616.360-026 MULTI-OPERATION-FORMING-MACHINE OPERATOR I (any industry)
Sets up and operates automatic multiple-operation machine
to perform any combination of bending, punching, roll forming, beading, cutting and welding,
soldering, or clinching of metal to fabricate items, such as rims, molding, cams, tubing, and housings
specified by blueprint or work orders: Installs and aligns roller dies, drive and forming rolls, punch,
notching or forming dies, shear or saw blades, and electrodes, using rules, vernier gauges, square,
shims, and handtools. Sets side guides and stops. Turns knobs to regulate voltage of resistance
welding equipment and synchronize speed of feed rolls, conveyor, or transfer machine with action
of roller dies, forming rolls, punch or shear rams, and welding unit. Places roll of sheet or strip metal
or wire onto feedrack and threads end through machine or into drive rolls, or metal blanks or bars
onto conveyor, into hopper, or against guides to feed machine. Starts machine. Verifies dimension
of finished product visually or using micrometers, calipers, or gauges. May remove finished parts
from machine. May operate mechanized line of machines working in tandem. May be designated
by function of machine as Tubing-Mill Operator (any industry) II. May set up and operate
multioperation forming machine to make pipe from continuous steel coil and be designated Welder,
Pipe Making (steel & rel.).
616.360-030 SHOTGUN-SHELL-ASSEMBLY-MACHINE ADJUSTER (ordnance) alternate titles: assembly-machine tool setter; heading-and-priming tool setter
Sets up automatic machines to assemble shotgun shells for
loading with powder and shot: Removes, replaces, and adjusts tools and parts, such as punches, dies,
pins, dials, spindles, plungers, and hoppers, using handtools and gauges. Turns setscrews and stop
nuts to adjust machine coiling and pressing mechanisms. Dismantles hoppers, feed tubes, and feed
and press mechanisms to extract jammed components. Notifies MAINTENANCE MECHANIC (any
industry) to make major replacements or repairs.
616.360-034 STRAIGHT-LINE-PRESS SETTER (ordnance) alternate titles: assembly-machine tool setter; tracer-bullet assembly-machine tool setter
Sets up machines to shape noses of brass or steel bullet
jackets and assemble jacketed bullets for small arms cartridges: Installs punches and dies, feed pipes,
magazines, guides, pins, and bushings to accommodate size bullets to be processed, using handtools.
Turns setscrews and stop nuts to regulate automatic feeding, transporting, pressing, and ejecting
mechanisms, and to adjust microswitches. Operates machine and examines assembled bullets for
defects, such as dents, scratches, or malformations, and verifies conformance to specified
dimensions, using gauges. Operates speed lathe and $T3bench grinder$T1 to reshape or polish
punches and dies. Replaces worn or broken machine parts, such as springs, pins, die bolts, screws,
and washers. Gives instructions to new workers in machine operation and use of gauges.
616.361-010 SPRING INSPECTOR I (metal prod., nec)
Inspects and tests leaf-springs for conformance to
specifications: Verifies curvature of leaf, using template. Tests leaf in load tester by inserting springs
into apparatus equipped with gauge that registers amount of leaf distortion to determine if springs
meet load requirements. Discards defective leaves. Tends machine that bombards steel shot against
leaf spring and measures indentations in leaf, using curvature gauge. Records test results for quality
control purposes. Observes spring assembly operations to ensure parts are assembled according to
specifications. Discusses with supervisor changes in machine setup or assembly operations to
improve product or simplify operations. Stops machine to inspect and test faulty productions and
changes or aligns dies, using machinist's tools.
616.362-010 FABRIC-MACHINE OPERATOR I (furniture) alternate titles: link-wire-fabric-machine operator
Sets up and operates link wire fabric machine to form linked
wire mesh for flat bedsprings from stock wire, using work orders, knowledge of machine operation,
and bending characteristics of wire: Studies work orders to determine dimensions and type of wire
mesh required. Selects tool and die elements from standardized stock or requests TOOL-AND-DIE
MAKER (machine shop) to fabricate necessary elements. Positions and fastens tool and die elements
and cams into required arrangement in machine to cut and bend stock wire by action of sliding rams
in coordinated sequence. Places coils of wire on two reels, using forklift. Feeds wire through drive
wheels and between dies of slides, using handtools. Starts machine to form and link together
lengthwise and crosswise lengths to produce fabric of specified dimensions. Inspects sample, using
template and rule. Adjusts setup to correct dimensions of wire fabric. Gives directions to
FABRIC-MACHINE OPERATORS (furniture) II.
616.380-010 FOUR-SLIDE-MACHINE SETTER (any industry)
Sets up various sizes and types of multiple-operation slide
forming machines to automatically punch, cut, and bend metal strips or wire to fabricate parts, such
as clips, brackets, and hairpins, as specified by blueprints and setup charts: Selects and installs cams,
center post, and ram slide, and computes feed length position of cams and dies, applying knowledge
of geometry and product dimensions. Aligns and bolts cams to shaft, slides to machine bed, and
progressive dies to stationary shoes and cam actuated slides, using micrometers, gauges, feelers,
rules, and handtools. Adjusts position of cams to synchronize action of rams, cutters, and drive rolls
that feed stock. Turns flywheel by hand to produce sample part, and compares part with
specifications, using fixed gauges, micrometer, and calipers. Readjusts position of dies and cams to
achieve specified shape and dimension. Turns machine over to FOUR-SLIDE-MACHINE
OPERATOR (any industry) II. May sharpen and repair dies, using engine lathes, milling machines,
precision grinders, hand files, and scrapers.
616.380-014 JOB SETTER (electron. comp.)
Sets up and adjusts machines, such as grid formers or
spade-winding machines, used to fabricate parts for electron tubes: Reads work order or receives
verbal instructions regarding machine setup. Installs specified parts, such as gears, cams, ratchets,
cutters, and guides in machine. Sets control mechanisms that regulate functions, such as feed rate,
spindle speed, air pressure, and wire tension. Loads, positions, and aligns wire or other fabrication
material on feed mechanisms. Starts machine and observes operation to detect malfunction.
Examines and measures sample part, using magnifying device and measuring instruments, such as
balance scale, ruler, and micrometer, to ensure part meets specifications or to determine cause of
defect. May maintain and repair machinery. May sharpen tools, using grinder or polishing
equipment.
616.380-018 MACHINE OPERATOR I (any industry) alternate titles: fabricating-machine operator
Sets up and operates metal fabricating machines, such as
brakes, rolls, shears, saws, and presses, to cut, bend, straighten, and form metal plates, sheets, and
structural shapes according to blueprints and specifications: Reads and interprets blueprints,
engineering specifications, and shop orders to determine machine setup, production methods, and
sequence of operation. Selects, positions, and secures dies, blades, cutters, and fixtures onto
machine, using rule, square, shims, templates, handtools, and built-in gauges. Positions and clamps
stops, guides, and turntables. Adjusts controls to set and regulate machining factors, such as pressure
and depth of ram stroke, adjustment rolls, blade angle, and machine speed. Locates and marks
bending or cutting lines and reference points on workpiece, using instruments, such as rule and
compass, or by tracing from templates. Positions workpiece against stops and guides or aligns layout
marks with dies or cutting blades manually or using hoist. Starts machine and observes machine
operation to reposition workpiece, change dies, or adjust machine settings for multiple or successive
passes. Inspects or measures work, using rule, gauges, and templates. May operate machines to
fabricate nonmetallic materials, such as composites or plastics. May set up and operate sheet-metal
fabricating machines only and be designated Sheet-Metal-Fabricating-Machine Operator (any
industry).
616.382-010 BARBED-WIRE-MACHINE OPERATOR (metal prod., nec)
Operates machine that automatically twists sharp barbs
between strands of wire to form barbed-wire fencing materials: Mounts reels of smooth wire on
feedrack of machine, using hoist. Butt-welds end of feed wire to wire in machines, and to repair
breaks in wire. Starts machine and observes counter on machine to verify required length of barbed
wire on roll. Stops machine and removes pin to drop roll of barbed wire to floor. Cuts wire with
cutter. Attaches name tag to roll and places it on pallet. Adjusts machine.
616.382-014 WIRE WEAVER, CLOTH (metal prod., nec) alternate titles: wire weaver
Sets up and operates power loom to weave wire cloth for
products, such as industrial cloths, filters, sieves, or strainers: Reviews specifications to determine
quantity, type, and size wire required. Lifts spools of wire, and places them on spindles of creel.
Verifies specified size of wire, using micrometer. Fastens wire ends to back beam of loom. Starts
beam motor to wind and transfer wire from creel to beam. Threads warp wires individually through
heddles, between teeth of comb, and fastens ends to roller. Adjusts spring of loom to required
tension, using wrench. Inserts bobbin in shuttle, fastens shoot wire end to roller and pushes switch
to start loom. Observes loom operation to detect faulty weaving and wire breaks. Reweaves and ties
broken wires, using pick and magnifying glass. Counts mesh of woven cloth to ensure that
specifications are met, using pick and counting glass. Removes roll of finished cloth from loom,
using electric powered lift. May wind bobbins while loom is in operation. May cut off strip of wire
cloth, using scissors or shears for quality control inspection prior to start of production. May
maintain records of production and non-repairable cloth defects.
616.382-018 TYPING-ELEMENT-MACHINE OPERATOR (office machines)
Sets up, controls, and monitors machine that automatically
assembles component parts, such as caps, shims, levers, and springs, to fabricate $T3typing
elements$T1 used in electric typewriters: Reads work order and engineering specifications to
determine components needed for assembly. Loads parts into hoppers of automatic feed mechanism
of machine. Flips switches on control panel to start machine. Observes panel lights and machine
operation to detect malfunctions and ensure prescribed sequence of operation. Fills grease containers
on machine and maintains supply of parts in feed mechanism. Inspects assembled typing element
to detect defects, such as mislocated springs, chipped characters, and insufficient grease. Adjusts and
calibrates machine to adapt machine to processing requirements, following specified procedures and
using handtools.
616.460-010 NAIL-MAKING-MACHINE SETTER (steel & rel.) alternate titles: nail-machine operator
Sets up battery of machines that automatically cut and shape
coiled wire to make nails of specified sizes: Installs and secures die plates and nail-point cutting
knives, and positions feeding mechanism, according to work order specifications, using handtools.
Mounts coil of wire on rod and threads wire through straightening rollers, feeding mechanism, and
into slots of die plates. Tightens roller bolts to secure wire, using wrench, and turns flywheel to
produce sample nail. Measures nail with split gauge or micrometer, and inspects nail for flaws, such
as chips and distortions. Starts machine and observes operation to ensure product meets
specifications. May set up and maintain battery of machines that automatically cut coiled wire and
simultaneously attach nailheads to cut wire to form tacks of specified size. May supervise
NAIL-MAKING-MACHINE TENDERS (steel & rel.).
616.482-010 SAFETY-PIN-ASSEMBLING-MACHINE OPERATOR (button & notion)
Operates battery of automatic machines to twist coil in
pointed length of wire and form and attach caps and guards to wire to form safety pins: Installs
cutting and forming dies in machine according to size of pin specified, using handtools. Lifts reels
of cap and guard metal strip onto feed-reel holders, and locks spring clamps to secure reels. Scoops
pointed wires into gravity feed hopper and starts machine. Observes operation to detect jamming of
mechanisms and extracts jammed pin parts, using pick, screwdriver, and pliers. Measures sample
of completed pins for conformance to specifications, such as length, diameter of wire, size of spring
coil, and width of pin, using micrometers and fixed gauges. Examines pins for malformation of caps
or guards and opens and closes pins to test operation. Adjusts guides, tension bars, cams, feeder
arms, and stops, and synchronizes moving parts of machine to correct malfunctions. Replaces broken
or worn cutting and forming dies, using machinist's handtools.
616.484-010 TRUER (metal prod., nec)
Trues coiled precision springs and tests springs for
conformance to specifications: Places set of springs over mandrel, places metal bar over springs, and
pushes against bar to compress springs to specified length. Positions spring over template or between
poles of electronic spring checker to detect variation from standard spring length. Places spring on
flat surface, and measures squareness of end, using gauge. Inserts wedge between coils and taps
wedge with mallet to even pitch between coils and adjust length of spring.
616.485-010 BENCH WORKER (metal prod., nec)
Tends machines that wind, shape, or finish coiled and flat
springs or wire forms to specifications: Positions metal or wire blanks or coiled spring on jig press.
Depresses pedal to lower shaping die that stamps out spring forms, or crimps, hooks, or loops ends
of coiled springs. Presses and turns spring ends against rotating abrasive wheel to remove burs.
Drills and taps holes in flat springs, using single-spindle drill press. Feeds wire through guides and
onto mandrel of lathe-type automatic coil-winding machine that coils series of springs on mandrel.
Cuts lead-in wire, using handcutters, and removes mandrel. Slides loop of flat metal stock over arbor
of power-driven spring winder and starts machine to wind metal around arbor to form coiled-flat
springs. Places retaining ring over wound spring to prevent unwinding. Measures springs for
conformance to specifications, using gauges and micrometers. Inserts springs into holding device
of double-disk grinder and places holding device between grinding wheels. Starts machine that
automatically grinds spring ends. Removes springs. May be designated according to task performed
as Automatic-Coil-Winding-Machine Operator (metal prod., nec); Double-End-Production Grinder
(metal prod., nec).
616.485-014 SPRING COILER (metal prod., nec) alternate titles: coil-machine operator
Tends machine that automatically coils compression,
extension, and torsion springs from round and flat wire, following verbal instructions: Examines
wire stock with micrometer to ensure conformance to specifications. Threads end of stock through
feed rollers, around arbor, and under cutting tool. Starts machine that automatically winds, cuts, and
ejects springs. Measures springs for conformance to specifications, using micrometers and gauges.
Verifies action of springs under pressure by compressing springs under specified load in spring
testing machine. Notifies machine setter when machine malfunctions. May sharpen cut-off tool and
remove coiling marks from coiling point and pitch tool, using $T3bench grinder.$T1
616.582-010 FENCE-MAKING MACHINE OPERATOR (metal prod., nec)
Operates machine that forms wire mesh fencing: Places rolls
of wire onto spools and joins wire ends, using acetylene torch. Selects mesh die, according to wire
size. Bolts die on weaving spindle of machine and draws wire through die to specified height,
according to work ticket specifications. Turns setscrew to adjust automatic wirecutter, using wrench.
Pushes buttons on control panel to start oil pump, machine motor, and automatic shutoff device.
Pulls lever to start machine. Observes machine counter and removes rolls of fencing following length
specifications on work ticket. Records number of fabricated rolls on work card. May move rolls to
galvanizing department, using handtruck. May use electric butt welder to join wire ends.
616.662-010 HYDRAULIC PRESS OPERATOR (construction)
Operates horizontal arbor press to disassemble and assemble
press-fitted crawler track links for construction equipment, such as cranes, power shovels, and
tractors: Hooks hoist line in sling and directs other workers engaged in placing and removing crawler
tracks on conveyor. Removes or tightens bolts fastening track pads to track links, using pneumatic
or electric impact wrench. Examines chart to select specified insert jaws (holding fixture for pins and
bushings) and disassembly and assembly rams. Inserts rams in press sockets, using wrench. Moves
levers to position track over insert jaws, and to advance or retract rams that press pins and bushing
into sockets on track links. Directs other workers engaged in removing or positioning track pads,
track links, pins, and bushings in press insert jaws. Operates press to disassemble and reassemble
track, and to replace worn or damaged pins and bushings.
616.665-010 TENSIONING-MACHINE OPERATOR (concrete prod.)
Tends machine that pulls and spaces reinforcing wire as it
is wound around steel cylinder to make prestressed core for fabricating concrete pipe: Pulls wire
through machine rollers and clamps it to end of cylinder for subsequent welding. Signals
WINDING-MACHINE OPERATOR (concrete prod.) to start machine that rotates cylinder.
Observes dial indicator and pulls lever on tensioning machine to apply specified tension to wire
during winding. Signals WINDING-MACHINE OPERATOR (concrete prod.) to stop rotation of
cylinder after specified number of turns of wire. Maintains tension on wire until WELDER, ARC
(welding) welds it to cylinder. May tend machine that pulls and spaces reinforcing wire by hydraulic
power to make prestressed core for fabricating concrete beams.
616.681-010 WEAVER, BENCH LOOM (metal prod., nec)
Forms wire screens used for partitions, draining racks, and
window guards, using bench loom: Reviews specifications to determine quantity, type and size wire
required, and obtains wire from storage area. Measures and cuts wire to specified lengths, using ruler
and wire cutters. Inserts ends of warp wires in heddles and positions and secures opposite ends on
bench with heavy iron bar. Depresses pedal to raise and lower alternate warp wires. Slides $T3shoot
wire$T1 between warp wires and pulls it into position manually. Measures position of shoot wire
with ruler to ensure specified and even spacing. Depresses pedal to reverse warp wires, secure
inserted shoot wire, and prepare for next shoot wire. Removes finished screen from bench loom and
stacks it for pickup. May measure diameter of wire, using micrometer, to verify size of wire. May
operate machine that cuts and crimps wires used in weaving wire screens. May trim edges of finished
flat wire screens, using power shears.
616.682-010 ARBOR-PRESS OPERATOR I (any industry) alternate titles: floor-press operator
Sets up and operates arbor press to press-fit parts, such as
bearings, linings, armatures, or wheels to housings or shafts: Installs specified holding fixtures and
dies on press, using rule, gauges, and handtools. Positions workpiece on press bed under ram,
manually or using hoist. Moves controls to lower ram that presses part onto shaft or into housing.
May mix white lead and apply it to parts as necessary, using brush, and remove scale, rust, burrs,
and excess white lead, using files, wire brush, and rags. May be designated according to parts
assembled as Bearing-Press-Machine Operator (railroad equip.); Cylinder-Block-Hole Reliner
(automotive ser.); Wheel-Press Operator (railroad equip.).
616.682-014 BALE-TIE-MACHINE OPERATOR (metal prod., nec) alternate titles: wire-loop-machine operator
Sets up and operates wirecutting and straightening machine,
equipped with forming attachment, to form wire ties for tying bales of paper, hay, or other material:
Adjusts driving and straightening rollers, forming attachment, and jaws of holding device, using
handtools. Turns crank to adjust feed of driving rollers for specified length of bale tie. Inserts wire
between driving and straightening rollers and starts machine that automatically cuts, forms, and
ejects specified number of bale ties in bundle onto rack for wrapping. Wraps bundle by hand or uses
machine wrapping device. May set counter that records number of ties formed. May stack finished
ties in storage area.
616.682-018 CAGE MAKER, MACHINE (concrete prod.)
Sets up and operates machine to fabricate steel cages used
for reinforcing concrete pipe: Bolts lagging plates of specified size to expandable mandrel of
machine to form drum for shaping and sizing cage. Threads wire from spindle through tensioning
rollers and feeder arm of machine. Tack-welds ends of wire to bell-end of lagging plate and pulls
lever to expand mandrel. Turns wheel on tensioner to regulate pressure on wire. Starts mandrel
rotating as wire is fed through tensioning rollers on carriage which moves along track to space wire
as it winds. Tack-welds wire to end of drum on completion of run and cuts wire with welding torch.
Pulls lever to move welding and grounding wheels into position to hold rod in place and to form
circuit for welding. Starts welding wheel to weld rod and wire at points of intersection. Breaks tack
weld at ends of wire, using hammer and pulls lever to retract mandrel and loosen cage. Pulls cage
from shaft by hand or aid of pneumatic winch.
616.682-022 CRIMPING-MACHINE OPERATOR (any industry)
Sets up and operates machine to crimp wire to specified
shape: Bolts specified crimping wheels into machine jaws, using wrench. Threads end of coiled wire
through straightening and feed rollers into wire shaping machine. Starts machine and crimps sample
wire of specified type. Measures sample, using micrometers and gauges, and changes crimping
wheels or adjusts tension of machine until crimp meets specifications. May place shaped wire in
rack. May be designated according to product worked on as Zig-Zag-Spring-Machine Operator
(metal prod., nec).
616.682-026 KICK-PRESS OPERATOR I (any industry) alternate titles: assembler, press operator; bench-press operator
Sets up and operates power press to assemble metal, plastic,
rubber, or glass products by crimping, shaping, locking, staking, or press fitting: Installs specified
dies on machine bed and ram, using measuring instruments and handtools. Positions and clamps
holding fixtures to machine bed, using sample workpiece, template, rule, and gauge. Adjusts
setscrews to regulate stroke of ram. Aligns parts between dies or positions them against fixtures on
machine. Moves controls to lower ram that bends, clinches, or forces parts together. May operate
machine to separate parts. May set up and operate machine to punch, cut, face, chamfer, or compress
parts preparatory to assembly. May install gears and cams to synchronize action of multiple ram,
feed, and positioning action of automatic presses.
616.682-030 NAIL-ASSEMBLY-MACHINE OPERATOR (steel & rel.)
Operates machine to assemble and weld loose nails to pierced
metal ribbon: Transports loose nails and metal ribbon from storage areas to machine. Threads
pierced strip of metal through machine. Adjusts mechanical and electrical parts of machine to obtain
specified feeds and speeds. Starts machine that assembles and welds nails to metal ribbon. Fills
cooling tank with rust inhibitor and other liquids. Closes nail assembly cartons, using stapling gun.
May operate machine to assemble and weld loose nails to wire.
616.682-034 STRANDING-MACHINE OPERATOR (elec. equip.; light. fix.; metal prod., nec; nonfer. metal) alternate titles: cable-machine operator; cabling-machine operator; strander operator; strand-machine operator
Sets up and operates rotating cylindrical-shaped stranding
machine to fabricate wire rope or electric cable: Places spools of wire of specified gauges into
cradles, using electric hoist, and locks spool in place, using metal pin. Positions takeup spool onto
shaft and adjusts travel of distributor to width of spool. Threads wires through holes on inside edge
of machine and through twisting head and coils it around capstan, using blueprints or stranded wire
as guide. Nails or hooks stranded wire onto takeup spool. Adjusts gears for specified direction of
twist and speed of capstan, using wrenches. Starts machine. Pours grease into grease pot, and opens
valve to lubricate strands. Adjusts clutch to regulate speed of makeup spool shaft. Observes machine
to detect malfunctioning. Cuts wire when specified footage has been wound and wraps end with
wire, by hand or using mechanical wrapping tool. May butt-weld ends of disjointed wires. When
operating stranding machine equipped with closing (finishing) attachments to prevent unraveling
when rope is cut, is known as Closer (metal prod., nec). May work with fine wire to produce twisted
electric-light cord and be designated Strand Buncher, Fine Wire (light. fix.).
616.685-010 CHAIN-TESTING-MACHINE OPERATOR (forging)
Tends machine that tests strength of chains: Adjusts
chain-holding jaws on machine to accommodate size of chain. Sets scale dial to specified pounds
to regulate pulling power of machine. Positions chain in machine jaws and starts machine. Examines
and gauges chain to detect broken or stretched links. May check chain for free operation, roll chain
into coil, and place chain in crate.
616.685-014 CLINCHING-MACHINE OPERATOR (elec. equip.)
Tends reel-fed machine that clinches (crimps) metal
terminals or solderless connectors to electrical wires: Positions wire ends in fixture. Steps on switch
to start machine that automatically cuts off terminal from continuous strip and clinches terminal to
wires. May strip rubber insulation off wire cord to expose wire, using pliers or pedal-operated
stripping machine. May take wires to shelves and distribute them in sections according to wire and
terminal types.
616.685-018 COIL ASSEMBLER, MACHINE (furniture) alternate titles: automatic-coil-machine operator; coil tier; finisher
Tends machine that joins coil with helical springs to form
assemblies for innerspring mattresses, chairs, sofas, and automobile seats: Places coil springs in
channels on machine table. Inserts end of helical spring in feeder that rotates and moves spring
toward coils. Depresses pedal to start feeder and guides helical spring so that spring joins top edges
of coils. Inserts spring in feeder and positions spring to secure bottom edges of coils. Pushes index
bar against row of joined coils, or moves button or lever to activate bar that moves coils forward.
Inserts coils in channels to form additional row. Removes completed spring assembly from machine
or pulls release lever to eject assembly. Adjusts machine and relieves snagging or jamming, using
handtools.
616.685-022 FABRIC-MACHINE OPERATOR II (furniture) alternate titles: link-fabric-machine operator; link-wire-fabric-machine tender
Tends automatic machines that cut, bend, and couple wire
links to form mesh mattress supports (fabrics) for cots, folding beds, and other furniture: Mounts two
spools of wire on machine racks and threads ends into feed rollers that form lengthwise and
crosswise spring links. Starts machine and allows machine to operate until desired length of wire
mesh has been fabricated. Inspects emerging fabric and replaces missing or defective links, using
wire snippers and pliers. Adjusts cams and setscrews of machine to correct malfunctions, using
handtools.
616.685-026 HEDDLE-MACHINE OPERATOR (machinery mfg.)
Tends machine that cuts and shapes wire to form metal
heddles for textile machinery: Mounts roll of wire on feeder mechanism and threads wire end
through guides into machine. Starts machine and observes feed of wire into machine where wire is
cut, swaged, and polished. Inspects finished heddles for specified dimensions, using gauges.
616.685-030 KNITTER, WIRE MESH (metal prod., nec) alternate titles: knitting-machine operator
Tends bank of machines that automatically knit strands of
wire to form mesh tubing: Places spool of wire on frame of machine and inserts flyer spindle in top
hole of spool. Threads wire through guide on flyer, through pulley of rotating frame, around and
under hooks of knitting needles and fastens end to tube roller. Slides guide of belt sideways to
engage pulley and start machine. Observes machine to detect faulty knitting and wire breaks.
Measures width of mesh tube with ruler to ensure conformance to specifications. Stops machine to
rethread and tie broken wires, replace spools of wire and remove rolls of mesh tubing. Notifies
supervisor of repairs or adjustments needed. Obtains specified size and type of wire from storeroom.
Stacks rolls of mesh tubing for pickup. Sprays wire with oil, soap suds or other lubricant to reduce
friction.
616.685-034 LOAD TESTER (metal prod., nec)
Tends load-testing machine to test coiled or leaf springs for
conformance with load requirements: Positions spring on bed of machine. Turns hand gauges or
positions block gauges to regulate travel of flattening ram. Pulls lever to lower ram and compress
spring under specified load. Measures contraction of spring, using gauges. Rejects springs which do
not contract specified distance. May measure spring dimensions, using micrometers, calipers,
protractor, and plug gauges.
616.685-038 METAL-SPONGE-MAKING-MACHINE OPERATOR (nonfer. metal)
Tends machine that makes metal sponges (scouring pads):
Places spool of wire on spindle and threads end of wire around tension rollers and around winding
spindle. Installs and threads additional spools of wire according to type of sponge to be made.
Presses button to start machine that twists, curls, and winds wire around spindle to form sponge.
Cuts wire when sponge has been formed. Removes sponge from spindle and pulls and pats sponge
to specified shape. Packs sponges in cartons or bags.
616.685-042 MULTI-OPERATION-FORMING-MACHINE OPERATOR II (any industry) alternate titles: forming-mill operator; roll-mill operator
Tends automatic multiple-operation machine that performs
any combination of bending, punching, roll forming, beading, cutting and welding, soldering, or
clinching of metal to fabricate items, such as rims, molding, panels, cans, tubing, and housings:
Places roll of metal sheet, strip, or wire onto feedrack and threads end into drive rolls or through
machine. Positions metal blanks manually into feed rolls, or feeds blanks into hopper or onto feed
conveyor. Starts machine, observes operation, and verifies finished product visually or by using
fixed gauges. May tighten bolts or turn knobs or handwheels to specified points on scale or dial to
reset and maintain original setup of machine. May tend one or more work stations of mechanized
line of machines operating in tandem. May tend slitting machine to cut body blanks from sheet metal
and form seam cans. May be designated by function of machine as Body Maker (tinware);
Tubing-Mill Operator (any industry) I.
616.685-046 PAPERBACK-MACHINE OPERATOR (metal prod., nec) alternate titles: weaving-machine operator
Tends machine that stitches paperbacking to wire fabric used
as floor and wall plaster lath: Loads paper roll and roll of wire fabric onto unreeling stand, using
hoist. Threads paper and wire fabric through guides, feed rollers, machine, and rewinder. Loads
stitch wire of specified gauge onto reel and threads end into feed rollers. Adjusts machine to regulate
length of stitch on fabric, using handtools. Adjusts cutters and crimping bar of machine to cut and
bend protruding end of thread so that wire hooks on to fabric edge. Starts machine to stitch
paperbacking to wire fabric. Removes reinforced wire fabric from rewinder, using hoist. Splices wire
fabric rolls to specified length, using handtools.
616.685-050 POCKET-MACHINE OPERATOR (furniture) alternate titles: pocketed-spring-machine operator
Tends one or more machines that automatically spin wire
coils and sew them into cloth pockets to form units for mattress innersprings: Mounts spools of wire,
fabric, and cotton thread on machine spindles. Inserts wire and fabric ends into machine guides and
lead rollers, and threads machine needles. Starts machine and folds chain of pocketed coils as it
emerges on conveyor. Removes springs at regular intervals and places under plunger of stationary
dial gauge to ensure uniformity. Turns regulating wheel to adjust wire cutter for specified coil length.
Turns setscrew on sewing machine to regulate thread tension.
616.685-054 RIVETER (light. fix.)
Tends machine that joins flexible upright arms of desk lamps
to metal bases: Clamps flexible arm in vise of machine and positions hole in lamp base over flexible
arm. Depresses pedal, causing hammer of machine to repeatedly strike flexible arm to flatten and
expand arm, securing arm to lamp base.
616.685-058 RIVETING-MACHINE OPERATOR (furniture) alternate titles: machine riveter; rivet-hammer-machine operator
Tends machine that rivets metal furniture parts together:
Aligns predrilled holes in parts and inserts rivets into holes. Positions and holds parts on die in
machine bed. Depresses pedal or pulls lever to lower ram and die hammer that flattens shank,
expanding shank and joining parts. May rivet together slide and cross bars to form cradles for
holding file drawers in cabinets and be designated Cradle-Slide Maker (furniture).
616.685-062 SCROLL-MACHINE OPERATOR (struct. metal)
Tends machine that forms metal stock, such as bars, rods,
squares, tubing, and wire, into coils or ornamental scrolls: Positions and clamps specified scroll (die)
into bed of machine. Threads workpiece through drag roll and clamps roll to center of die. Starts
machine that turns die to draw workpiece along contour of die as vertical rod pushes workpiece into
center of die, forming scroll or coil. May tend power shear or cutoff saw to cut stock to specified
length. May insert leather strip along edge of die to protect finish of workpiece. May bend
workpieces along edge of die manually.
616.685-066 SLAT TWISTER (furniture)
Tends machine that shapes right-angle twist in ends of metal
bed slats: Starts motor and places end of slat in machine. Depresses pedal that causes machine to
twist slat and automatically stop when cycle is completed. Removes twisted end of slat from
machine, reverses it, and twists other end.
616.685-070 SPIRAL SPRING WINDER (metal prod., nec) alternate titles: recoil spring winder
Tends machine which coils light gauge metal strips or wire
around rotating spindle to form springs used in clocks, watches, and instruments: Threads end of
specified length of wire or strip along fixed peg or between guide blocks or rolls and through slot
of spindle. Starts machine to rotate spindle that winds wire into coil. Examines coil for conformance
with specifications. May tend machine that automatically threads wire through guides and into slot
of spindle. May feed automatic shear or punch cutter to cut wire or strip to specified length. May
record number of springs wound. May specialize in coiling hairsprings and be designated Hairspring
Winder (metal prod., nec).
616.685-074 SPIRAL WEAVER (metal prod., nec)
Tends automatic machines that coil, cut, and interlace wire
into spiral-weave screen: Threads and pulls wire through pulling and coiling dies of machines and
secures end around coiling die, using pliers. Adjusts distance between dies and speeds of wire feed
and pulling-die rotation, according to size of wire and length of spiral weave, using handtools. Starts
machines, monitors automatic operation and wire supply, and occasionally measures length of weave
to verify conformance to specifications, using gauge. Stops machines when screens of specified
length are woven.
616.685-078 SWAGER OPERATOR (pen & pencil)
Tends machine that shapes tubular metal stock to form points
or magazines for mechanical pencils: Positions precut stock into holding device of machine and flips
switch to start machine that rotates stock. Flips another switch to move rotating holding device
horizontally into set of forging dies to shape tube into points or magazines for mechanical pencils.
616.685-082 SWEEP-PRESS OPERATOR (clock & watch)
Tends sweep press that cuts recesses, smooths rough spots,
and rounds corners on watch plates and bridges: Positions plate or bridge over protruding pins of
chuck. Moves controls that feed cutting head to plate or bridge. May verify dimensions of specified
number of parts, using precision plug and indicator gauge. May replace worn or dull bits.
616.685-086 WIRE COINER (button & notion)
Tends battery of machines that make scoop (slider-fastener
chain part) impressions on roll of wire: Mounts roll of wire on spindle, threads wire end through
machine and around spindle, and starts machine. Examines processed wire with microscope and
micrometer to verify that impressions are aligned and pitched to specifications. Notifies supervisor
of machine malfunctioning. Splices together ends of wire when breaks occur.
616.685-090 ZIPPER CUTTER (button & notion)
Tends machine that cuts zippers of specified length from
continuous strip and removes chain links from end of zipper to accommodate attachment of stops:
Positions zipper strip against guide on machine bed or threads end of chain through guides and under
blade and punch. Adjusts stop on calibrated scale to obtain specified length and aligns end of strip
with stop. Depresses pedal that lowers blade and punch onto strip, cutting zippers for garments to
specified length and removing chain links from end of zipper for attachment of stops. May tend
machine that cuts zippers to specified length only.
616.687-010 STRANDING-MACHINE-OPERATOR HELPER (nonfer. metal) alternate titles: cable-mill helper
Performs following duties to fabricate wire into cable:
Positions spools of wire on spindle of winding reel, using hoist. Turns handwheel or manually
removes release rod to release shaft preparatory to installing takeup spool onto reel jack. May
remove unused wire from spools with spool stripper. Performs other duties as described under
HELPER (any industry) Master Title.
616.687-014 WIRE-WEAVER HELPER (metal prod., nec) alternate titles: loom helper
Assists WIRE WEAVER, CLOTH (metal prod., nec) in
weaving wire cloth or screening: Transports beams, magazines, wire stock, and machine parts to
looms. Attaches wire from spools to warp beam, threads $T3warp wire$T1 through heddles and
reeds of machine, and ties sections of warp wire together. Removes beams of finished screen or cloth
from looms and transports them to stockroom or finishing department, using hoist, truck, conveyor,
or dolly. Removes spools and bobbins from automatic spooling machines and racks them onto
magazines. May thread warp wires individually through heddles, between teeth of reed, and fasten
ends to roller. Performs other duties as described under HELPER (any industry) Master Title.
617 FORMING OCCUPATIONS, N.E.C.
This group includes occupations, not elsewhere classified, concerned with shaping metal by the application of machine pressure.
617.130-010 SUPERVISOR (struct. metal)
Supervises and coordinates activities of workers engaged in
coating, embossing, roll forming, and packaging aluminum house siding: Determines material and
personnel requirements to meet specified production and coordinates work schedules to ensure
efficient operations. Patrols work area to observe workers and machinery to ensure compliance with
established work procedures. Examines sample workpieces to determine conformance with
specifications, using blueprints and charts. Establishes quality standards for evaluation of products
by inspectors. Assists workers in adjustment or repair of machines or equipment. Performs other
duties as described under SUPERVISOR (any industry) Master Title.
617.130-014 SUPERVISOR, FENCE MANUFACTURE (metal prod., nec)
Supervises and coordinates activities of workers engaged in
operating machines that form steel wire into chain link fence mesh: Reads work ticket to determine
material required to fill job orders. Patrols work area to ensure workers and machines meet
production goals and product specifications. Confers with other supervisors to coordinate
production. Trains new workers to operate, adjust, and lubricate fence making machines. Assists
workers by setting up machines to meet production requirements. Performs other duties as described
under SUPERVISOR (any industry) Master Title.
617.260-010 PRESS OPERATOR, HEAVY DUTY (any industry) alternate titles: bending-press operator; hydraulic-press operator; toggle-press operator
Sets up and operates heavy-duty power press to bend, form,
stretch, and straighten metal plates, metal extrusions, formed sheet metal, structural shapes, forgings,
and weldments as specified by blueprints, layout, and templates: Plans sequence of operations,
applying knowledge of physical properties of metal. Measures and sights along workpiece, using
tape, rule, straightedge, and transit, to mark reference lines. Selects and positions flat, V-block,
radius, or special purpose die sets into ram and bed of machine, using jib or crane. Aligns and bolts
dies to ram and bed of machine, using gauges, templates, feelers, shims, and wrenches. Turns
handwheel or levers to set depth and pressure of ram stroke. Preheats workpiece in furnace, using
hand torch. Lifts and positions workpiece between dies of machine, using jib or crane and sledge.
Starts machine to lower ram which bends or straightens workpiece between dies. Repositions
workpiece and changes dies when making multiple or successive passes. Hand forms or finishes
workpiece, using hand sledge and anvil. Grinds out burrs and sharp edges, using portable grinder.
Inspects and marks job number on finished workpiece. May bend or straighten cold metal. May set
dies to punch and blank heavy metal. May operate horizontal power press to bend or straighten long
pieces of bar stock or structural shapes. May operate press equipped with two or more rams to bend
angles or flanges or bend to radius by successive passes; or operate multiple acting hydraulic press
to perform deep progressive and reverse draw operations of sheet metal. May be designated
according to type press operated as Bulldozer Operator (any industry) II; Stretch-Press Operator (any
industry); or according to shape product produced as Dishing-Machine Operator (any industry).
617.280-010 SHOT-PEENING OPERATOR (aircraft mfg.)
Sets up and operates shot-peening equipment to shallow form
and improve stress tolerance of flight vehicle metal surfaces, according to specifications: Reads and
interprets blueprints, sketches, work orders, and other documentation to determine layout of specific
areas to be shot-peened, sequence of operations, and finish specifications. Lays out and marks areas
to be shot-peened on test specimen or part, using measuring and marking instruments, or fits
template over part, scribes pattern, and peels away masking compound to expose areas to be treated.
Mounts part on jig, rotary table, or in shot-peening cabinet. Fills hopper with specific size and type
shot. Sets up, operates, and adjusts shot-peening equipment to achieve specified contour on test
specimen or part. Measures and checks test specimen or part to verify conformance to specifications
and to determine required equipment adjustments, using measuring instruments, templates, and
fixtures. Records data on equipment settings and adjustments, such as feed rate, nozzle angles and
oscillation, number and size of nozzles required, shot size, and air or vacuum pressure settings, to
be used for subsequent operation and to develop numerical control programming data. Loads control
media, such as computer tape, in control console of equipment, or enters commands to retrieve
control instructions from computer data base to operate equipment automatically. Observes operation
of equipment to detect malfunctions. Peels masking material from completed part, and cleans part
with solutions to remove adhering scale and particles.
617.360-010 BRAKE OPERATOR I (any industry) alternate titles: power-brake operator; press-brake operator
Sets up and operates power brake to bend, notch, punch, form
rolls, arc, or straighten metal plates or sheet metal and structural shapes to blueprint or sketch
specifications: Selects, positions, and aligns dies in machine ram and bed, using shims, rule, square,
or templates. Turns setscrews or bolts to fasten clamp bar that holds dies in position. Turns
adjustment screws to set specified pressure of ram and clearance between dies to thickness of metal,
as indicated by calibrated scale or feelers. Lays out or details layout on work stock from blueprints
or templates. Positions workpiece manually or with crane, to align layout marks to dies. Starts
machine to lower ram or depresses pedal to activate ram that bends or cuts metal. Sets stops on
machine bed and repositions stock to run successive pieces, or to perform multiple operations.
Verifies dimensions of workpiece, using template or scale. May preheat metal in furnace or by using
oxyacetylene torch. May grind laps or burrs from edges of workpiece, using portable grinder. May
devise and build temporary dies. May operate apron brake which bends metal by forcing metal
between movable apron and horizontal bending bar. May be designated according to type material
processed as Brake Operator, Sheet Metal (any industry) I; or according to special operations
required to process thick metal as Brake Operator, Heavy Duty (any industry).
617.360-014 SWAGING-MACHINE ADJUSTER (ordnance) alternate titles: bullet-swaging-machine adjuster; swage toolsetter
Sets up automatic swaging machines that press lead wire or
lead slugs into bullets or into cores for jacketed bullets: Positions and aligns forming die and punch
in machine. Changes length and rate of punch and adjusts automatic feed and ejection mechanisms,
using handtools and gauges. Starts machine to obtain sample bullets or cores. Examines finished
product for defects, such as malformed nose or heel, nicks, and scratches, and determines cause.
Verifies profile and dimensions, using fixed gauges. Weighs samples on balance scale to ascertain
conformance to specifications. Operates speed lathe and polishing jack to reshape and polish worn
punches and polishes dies by hand, using emery cloth. Gives instructions to new workers in machine
operation and inspection.
617.380-010 KICK PRESS SETTER (button & notion) alternate titles: tool setter
Sets up and adjusts battery of foot-powered presses that
shape and assemble metal buckles, buttons, and parts: Obtains specified die and punch from rack
according to size and shape of product. Installs die and punch in machine and adjusts stroke of press
ram, using wrenches. Test-operates machine, and examines test-run product for defects, such as
malformation, misalignment, dents, burrs, and scratches. Measures product to verify dimensions,
using micrometer.
617.382-010 TUBE BENDER, BRASS-WIND INSTRUMENTS (musical inst.)
Sets up and operates hydraulic press to bend tubes used in
making brass-wind instruments: Fastens bending die onto press, using wrenches and screwdriver.
Fits tube into revolving lateral die, using gauge to align center of tube under descending die. Starts
press to lower overhead die and bend tube. Verifies accuracy of bend, using template. May cut tube
to specified length, using table saw. May fill tube with lead to prevent wrinkling during bending.
May bend tube around forming blocks manually. May press steel balls through tube or hammer
pitch-filled tube to remove wrinkles.
617.382-014 HAMMER OPERATOR (aircraft mfg.) alternate titles: planishing-hammer operator; power-hammer operator
Operates reciprocating power hammer to smooth and shape
sheet metal used in manufacturing aircraft and aerospace products according to specifications: Reads
blueprints and work orders to determine machine setup. Installs dies in machine according to surface
contours, size, and thickness and hardness of metal to be shaped. Adjusts drive arm to regulate
striking force of hammer. Applies lubricants to surfaces of metal and dies to prevent marring. Starts
machine motor and depresses pedal to start action of hammer. Moves metal under hammer to attain
specified shape. Observes metal during shaping to detect wrinkles and other defects. Compares
finished part with template or sample part to verify conformance to specifications. Shapes part
partially formed by machine to specified dimensions, using handtools. Trims excess materials from
edges of parts, using shears. May push weighted roller over metal to smooth surfaces.
617.480-010 JOB SETTER, SPLINE-ROLLING MACHINE (machine shop)
Sets up automatic spline roll-forming machines to cold-form
splines on gear shafts according to machine setup instructions and knowledge of operational
capabilities of machine, using handtools and gauges: Places shims to position die-racks (used to form
teeth on splines by pressure-rolling action) at specified height and verifies position with micrometer.
Turns knob to adjust vernier gauges and obtain specified spacing of die mounts. Places die-racks in
mounts and clamps racks in position. Places spline blank between machine centers and positions
machine tailstock to accommodate length of workpiece. Starts and cycles machine to verify
operation specified. Inspects trial run splines for conformance to specifications, using micrometer
and gauges. Adjusts machine to correct faulty setup if splines do not meet specifications. May set
up roll-forming machines to cold-form threads on gear shaft and be designated Job Setter,
Thread-Rolling Machine (machine shop).
617.480-014 PRESS SETTER (nonfer. metal; steel & rel.)
Sets up mechanical and hydraulic presses to produce
powdered-metal parts, such as bearings, gears, filters, and rings according to blueprints and
specifications, using handtools: Installs, positions, and aligns dies in press bed. Adjusts stroke of ram
and punches to specified depth of fill and injection stroke, using handtools, and opens supply hopper
valves to regulate flow of powder. Starts machine to produce sample parts for inspection. Measures
dimensions of and weighs parts to ensure parts meet specifications, using micrometer and balance
scale. May set up sintering furnace. May mix powders [MIXER (nonfer. metal; steel & rel.)].
617.482-010 BENDING-MACHINE OPERATOR I (any industry)
Sets up and operates machine to bend metal structural shapes,
such as bars, rods, angles, pipes, and tubes, to angle or contour specified by work order, drawings,
templates, or layout: Selects and bolts holding clamp, die block, and guide clamp to machine.
Positions and clamps end stops on machine to set specified location of bend. Inserts or screws plug
stops into guide wheel to set specified degree of bend. Positions workpiece against end stop. Locks
holding clamp and guide clamp onto workpiece. Lubricates workpiece with oil. Starts turntable that
draws workpiece through guide clamp around die block until stopped by plug stops or until dial
indicator points to specified degree of bend. May slide mandrel into tubing instead of using guide
clamp. May preheat workpiece, using hand torch or heating furnace. May use hand-powered bending
machine for short runs. May fill tubes or pipe with sand, resin, or lead to prevent wrinkling or
collapsing during bending operation. May heat tube, using torch, and manually bend tube or pipe
around forming blocks. May flare tube ends, using tube flarer and cut or trim metal stock to length,
using power shears or saws. May be designated according to type of stock bent as
Pipe-Bending-Machine Operator (construction); Rod-Bending-Machine Operator (any industry) I;
Tube-Bending-Machine Operator (any industry) I.
617.482-014 FORMING-ROLL OPERATOR I (any industry)
Sets up and operates rolling machine to straighten, knurl, or
form contours in surfaces of metal cylinders and rings as specified by blueprints, templates, and
work orders: Selects male and female rolling dies or rolling dies and $T3forming chuck$T1 from
data charts to form specified contour. Positions, aligns, and bolts dies or die and forming chuck onto
parallel spindles of machine. Positions workpiece over inner dies or forming chuck. Positions and
clamps end guides or clamps workpiece to forming chuck. Starts machine to activate inner drive roll
or chuck. Moves lever to press outer roll on workpiece to shape workpiece to specified contour.
Verifies contour, using rule or template. May operate machine equipped with vertical table to tilt and
force workpiece at angle to plane of opposing rolls to expand outer edge or form flanges to specified
shape. May operate machine equipped with multiple sets of opposing rolls which expand and shrink
diameter of workpiece to form contours. May move lever to position slitting knife to trim edge of
workpiece. May be designated according to type of rolling machine operated as Beading-Machine
Operator (any industry) I; Forming-Roll Operator, Heavy Duty (any industry).
617.482-018 ROLL-FORMING-MACHINE OPERATOR I (any industry)
Sets up and operates machine to form longitudinal bends,
rolls, beads, or embossed design onto sheet metal strips by action of two or more roller dies to
fabricate items, such as molding, trim, weatherstrip, and structural shapes specified by work order
or diagram: Bolts specified roller dies and drives rolls onto spindles. Positions spindles to align male
and female roller dies and adjusts rolls to thickness of metal, using feelers, rule, shims, gauges, and
handtools. Sets side guides. Turns knobs to set footage meter and control which stops machine or
activates automatic shear when specified length of strips has been run. Lifts coils of metal onto
feedrack, manually or by hoist, and threads end into feed roll. Directs flow of coolant onto rolls or
fills oilcups. Starts machine, observes operation, and verifies dimensions of finished products, using
micrometers, gauges, and rule. Threads end of formed stock onto rewind spindle and cuts it to
specified length, using hand shears, or removes finished pieces from machine bed. May butt-weld
ends of coil together to form continuous feed. May feed precut strips of metal into machine. May
turn knobs or install gears to adjust speed of machine. May verify coolant levels in machine and oil
and grease moving parts as specified.
617.482-022 SPRING FORMER, MACHINE (metal prod., nec) alternate titles: spring bender; submarine operator
Sets up and operates machine to form leaf-type spring leaves:
Installs upper and lower dies in machine, following leaf spring, using handtools. Positions heated
leaf blank onto lower die, using tongs. Depresses pedal or pulls lever to force dies together, forming
curved leaf. Immerses leaf in quenching oil for cooling and hardening if machine does not perform
this function automatically. May heat leaf blanks in furnace and form them by hand.
617.482-026 STRAIGHTENING-PRESS OPERATOR II (any industry) alternate titles: straightener
Operates power press equipped with pressure blocks or dies
to straighten warped or bent metal objects, such as plates, structural castings, shapes, forgings, and
shafts to specified dimensions: Examines workpiece to locate defects, using such devices as
straightedge, deflection gauge, template, and square. Positions and locks specified pressure blocks,
or die, into ram of machine, or positions shims under high spots of workpiece. Lifts and positions
workpiece into bed of machine manually or using jib or crane. Starts ram which presses out bent or
high spots of workpiece. Reexamines and repositions workpiece, changing shims for each pass until
workpiece conforms with specifications. May turn levers or handwheels to adjust depth and pressure
of ram. May preheat metal, using heating furnace or hand torch and clean dies between pressings,
using compressed air, oil, and brush. May tend machine equipped with preset dies to bend metal to
specified shapes. May grind rough edges from finished workpiece, using portable hand grinder. May
be designated according to part straightened as Barrel Straightener (ordnance) II; Crankshaft
Straightener (auto. mfg.); Gear Straightener (auto. mfg.); or according to type press operated as
Gag-Press Straightener (steel & rel.).
617.585-010 SWAGING-MACHINE OPERATOR (ordnance) alternate titles: bullet-swaging-machine operator; forming-machine operator
Tends battery of automatic swaging machines that form lead
wire or slugs into bullets or cores for jacketed bullets: Threads lead wire from reel over takeup
pulleys and through feed mechanism and between forming wheels, or fills machine hopper with
cylindrical lead slugs. Starts machine and observes feeding, forming, and ejecting mechanisms to
detect malfunction. Examines finished pieces for malformation and scratches. Verifies weight,
contour, and dimensions, using balance scale and fixed gauges. Mixes oil and kerosene in prescribed
proportion and fills machine wells to lubricate lead wire or slugs. Notifies SWAGING-MACHINE
ADJUSTER (ordnance) of machine malfunction. May make minor adjustments, such as replacing
worn dies, using handtools.
617.665-010 NAIL-MAKING-MACHINE TENDER (steel & rel.)
Tends machines that automatically cut and shape wire to
make nails of specified size: Mounts coil of wire on rod, and threads wire through straightening
rollers and feeding mechanism into slots of die plates. Tightens roller bolts to regulate feed of wire,
using wrench. Starts machine. Inspects nails for such flaws as chips and distortions. Measures
sample nail, using split gauge or micrometer, and notifies NAIL-MAKING-MACHINE SETTER
(steel & rel.) of deviations from specifications. Records production data. May tend machines that
automatically cut coiled wire and attach tackheads to form tacks of specified size. May tend machine
that bends and cuts wire to form spokes for tricycle wheels and be designated Spoke Maker
(toy-sport equip.).
617.682-010 BARREL-DEDENTING-MACHINE OPERATOR (beverage) alternate titles: dedenter
Operates machine to remove dents from metal barrels:
Positions barrel on lower die of machine, aligning bunghole under water spout of machine. Turns
side dies of machine to align contour of dies with contour of barrel ends. Presses switch that closes
side, top, and bottom dies around barrel. Pumps water into barrel, forcing walls of barrel against dies
and removing dents. Stops pump and opens dies after specified water pressure has been attained.
Examines surfaces of barrel to verify smoothness. Pushes barrel from lower die onto conveyor. May
drain de-dented barrels, pressurize barrels with air, and place barrel in water tank to detect leaks.
617.682-018 HOBBING-PRESS OPERATOR (any industry)
Operates hydraulic press that forces hard steel hob into soft
steel block to form molding die: Receives premarked soft steel block and specified hob from set-up
worker. Places block in retainer ring of press and positions hob on block. Places plug block over hob
to hold hob in alignment. Turns handwheel to raise ram which holds block and hob in place. Starts
pumps to build up prescribed hydraulic pressure. Pulls lever to exert pressure on ram which embeds
hob in soft block to specified depth, forming impression die. Removes block manually and clamps
it in vise. Taps block with hammer to loosen hob and removes it from block. Inspects die for defects,
such as rips or flaws, using magnifying glasses.
617.682-022 SETTER, COLD-ROLLING MACHINE (machine shop)
Sets up and operates single- or double-die gear roll-forming
machines to rough and finish roll-forming of gears, according to design information and machine
operating instructions: Mounts and centers forming dies on opposing die spindle heads, using
handtools. Sets stops to control traversing of die spindle head to predetermined operating position.
Adjusts each die spindle to form gears as specified and adjusts and locks phase adjustor to obtain
designated rotational timing of dies with gear teeth on workpiece. Positions arbor on machine to
form gears of specified diameter. Adjusts speed of arbor motor with speed of dies to ensure
clash-free engagement of dies with workpiece. Mounts gear blank on arbor and starts machine to
produce trial run gear to verify setup of machine. Feels and inspects gear to detect defects, such as
burrs, using gauges and micrometers. Adjusts machine to correct faulty machine setup if gears do
not meet specifications. Pushes buttons to start automatic operation of machine and monitors
forming of gears.
617.685-010 BENDING-MACHINE OPERATOR II (any industry)
Tends machine that bends metal structural shapes, such as
bars, strips, rods, angles, and tubes to specified angle or contour: Positions workpiece against end
stops. Locks holding clamp and guide clamp onto workpiece. Lubricates workpiece with oil. Pulls
lever or depresses pedal to activate turntable which draws workpiece through guide clamp and
around die block until stopped by plug stops. May slide mandrel into tubing instead of using guide
clamp. May use hand-powered bending machine. May perform such fabricating tasks as flaring tube
ends, using tube flarer, or cutting metal stock to length, using power shears or saws. May attach
specified die to machine, using wrench. May be designated according to type of stock bent as
Rod-Bending-Machine Operator (any industry) II; Tube-Bending-Machine Operator (any industry)
II; or type of machine tended as Two-Stage, Steel-Bender Annealer (toy-sport equip.).
617.685-014 CORNER FORMER (wood. container)
Tends machine that forms angle iron used in making wood
boxes: Shifts lever to start machine. Positions and holds metal strip on die of machine as V-shaped
periphery of roller attached to ram passes over metal, pressing metal into shape of angle iron.
Removes angle iron from machine.
617.685-018 EMBOSSING-MACHINE OPERATOR (nonfer. metal)
Tends machine that embosses designs on sheet metal:
Positions embossing roll of specified design and size in machine and adjusts roll clearance and
tension, width of feed table, and roll guides according to dimensions of sheet metal, using hoist,
gauges, and handtools. Starts machine and feeds sheets into roll or places coil of metal on unwind
spindle and threads coil end through machine onto rewinder. Measures depth of embossed design,
using micrometer and adjusts machine roll to meet specifications.
617.685-022 EXPANDING MACHINE OPERATOR (steel & rel.) alternate titles: belling machine operator
Tends machine that expands pipe ends to specified diameter
by one of following methods: (1) Starts machine that rotates pipe against die to expand end of pipe.
(2) Places pipe in expanding machine and starts machine that forces mandrels into end to expand
pipe to specified diameter. (3) Starts machine that inserts and expands cylindrical element within
pipe to enlarge pipe to specified diameter. Pushes pipe along conveyor rolls to expander block.
Verifies dimensions of pipe end with ring or plug gauge. Important variables may be indicated by
trade names of machine used.
617.685-026 POWER-PRESS TENDER (any industry)
Tends power press that cuts, punches, or stamps various size
articles from sheets or blocks of materials: Bolts or clamps specified die to machine. Positions or
clamps sheet or block of material on machine bed or in holding fixture to obtain maximum cuts from
each sheet. Starts machine and depresses pedal or moves lever that rotates or forces cutting die
through sheet or block to obtain article of specified size and shape. May tend machine that
automatically feeds and positions material under die for cutting. May examine parts for defects,
visually or using measuring gauges, and discards parts not meeting specifications. May be
designated according to type of machine tended as Blanking-Machine Operator (any industry);
Punch-Press Operator (any industry) IV; Stamping-Press Operator (any industry).
617.685-030 RIPPER (furniture)
Tends flaring machine that assembles display stands
consisting of tube with disk attached to either end: Inserts end of tube through hole in disk, sets tube
in jig on machine table, and starts machine. Depresses pedal to raise table and force upper end of
tube against rotating flaring tool to hold disk on tube. May glue felt over outside faces of disks.
617.685-034 ROLL-FORMING-MACHINE OPERATOR II (any industry)
Tends machine that forms longitudinal bends, rolls, beads,
or embosses designs onto sheet metal strips to form items, such as molding, structural shapes, and
weatherstripping: Bolts specified roller dies onto prepositioned spindles. Loads coils of strip onto
feedrack. Turns knob to set footage meter and control which stops machine, or activates automatic
shear. Threads end of coil into feed rolls. Starts machine to form and cut strip to specified length.
Removes bundles of cut and finished pieces from machine bed. Inspects finished pieces visually or
using fixed gauge. May weld together ends of feed coils to form continuous feed, using automatic
butt welder.
617.685-038 SINTERING-PRESS OPERATOR (nonfer. metal; steel & rel.) alternate titles: briquette-press operator; coining-press operator; compact-press operator
Tends mechanical or hydraulic presses which compress metal
powders into parts, such as bearings, gears, filters, and rings, and coin them to specified size: Pours
metal powder into hopper. Starts press, observes operation, and notifies PRESS SETTER (nonfer.
metal; steel & rel.) of malfunctions. Examines finished part for nicks, burrs, and cracks. Weighs
parts on scale and measures dimensions, using micrometers or fixed gauges, to ensure conformance
to specifications. May adjust shuttle mechanism to regulate amount of powder in part. Places
finished parts on tray or in stock pan. May write identifying information, such as mix number,
number of parts, and date, on tag and attach it to tray or pan. Feeds parts into coining press to correct
distortions created in sinking process. Removes parts from press and inspects them for burrs or other
imperfections. Places parts on tray or in stock pan. May tend forming presses that fabricate
clockwork parts from powdered metal.
617.685-042 SWAGE TENDER (ordnance)
Tends swage machine that chokes (reduces) inside diameter
of muzzle end of shotgun barrel to enable pellets or shot to concentrate when gun is fired: Inserts and
clamps shotgun barrel into holding device and starts machine that exerts contraction pressure on end
of barrel to reduce inside diameter of barrel. Measures diameter of barrel bore, using dial gauge to
verify that choke of barrel meets specification.
617.686-010 HOOP COILER (wood. container) alternate titles: hoop-rolls operator
Feeds flat strips of hoop steel, in which rivet holes have been
punched, into rolls of machine to form barrel hoops.
619 MISCELLANEOUS METALWORKING OCCUPATIONS, N.E.C.
This group includes occupations, not elsewhere classified, concerned with shaping and conditioning metal by such means as rolling, forging, extruding, blanking, and pressworking. The blanking and pressworking of nonmetallic materials, except wooden, are also included when the methods and machine tools commonly applied to the working of metal are used.
619.130-010 HYDRAULIC-PRESSURE-AUTO-FRETTAGE-MACHINE-OPERATOR SUPERVISOR (ordnance) alternate titles: cold-working supervisor
Supervises and coordinates activities of workers engaged in
setting up and operating hydraulic-pressure-auto-frettage machines to cold-work interior of artillery
barrels. Performs duties as described under SUPERVISOR (any industry) Master Title.
619.130-014 SUPERVISOR, ALUMINUM FABRICATION (ship-boat mfg.)
Supervises and coordinates activities of workers engaged in
fabricating aluminum sheets in preparation for assembly into boats: Trains new workers in
performance of tasks, such as stretching, shearing, and trimming aluminum sheets. Inspects work
in progress to ensure adherence to company standards. Confers with other supervisors to coordinate
interdepartmental workflow. Performs other duties as described under SUPERVISOR (any industry)
Master Title.
619.130-018 SUPERVISOR, COLD ROLLING (steel & rel.)
Supervises and coordinates activities of workers engaged in
pickling, annealing, cold and temper rolling, and slitting and shearing steel strip or plate: Reads
rolling order and production schedule for processing specifications for each unit. Inspects material
from each unit for conformance to metallurgical and customer specifications. Determines
adjustments required to correct defects noted and directs workers in adjusting machines and
equipment to fabricate items meeting specifications. Trains new workers. Performs other duties as
described under SUPERVISOR (any industry) Master Title. May supervise pickling and annealing
operations only and be designated Supervisor, Cleaning And Annealing (steel & rel.).
619.130-022 SUPERVISOR, CONTINUOUS-WELD-PIPE MILL (steel & rel.) alternate titles: rolling supervisor, continuous-pipe mill
Supervises and coordinates activities of workers engaged in
heating, forming, and welding flat steel strips (skelp) to produce butt-welded pipe by continuous
welding process. Examines pipe for conformance to dimensional specifications, using gauge and
measuring tape. Records production. Performs duties as described under SUPERVISOR (any
industry) Master Title.
619.130-026 SUPERVISOR, HOT-WOUND SPRING PRODUCTION (metal prod., nec) alternate titles: supervisor, coil springs
Supervises and coordinates activities of workers engaged in
pointing, coiling, and load testing hot-wound springs. Trains workers in operation of equipment.
Inspects springs for conformance to specified tension and dimensions, using tension-testing machine
and gauges. Performs other duties as described under SUPERVISOR (any industry) Master Title.
619.130-030 SUPERVISOR, LINE (any industry) alternate titles: machine supervisor
Supervises workers engaged in layout and machine operating
to fabricate structural, wire, or sheet metal products, applying knowledge of layout, product design,
machine functions, capacities, and output potential: Requisitions material required to meet
production goals. Examines items produced to determine if items meet specifications. Trains new
workers. Performs other duties as described under SUPERVISOR (any industry) Master Title. May
be designated by department or operation as Lay-Out Supervisor (any industry); Machine-Operations
Supervisor (any industry); Metal-Spinning Supervisor (any industry); Punch-Press Supervisor (any
industry); Roll-Forming Supervisor (any industry); or product produced as Supervisor, Metal
Furniture Fabrication (furniture).
619.130-034 SUPERVISOR, MACHINE SETTER (any industry)
Supervises and coordinates activities of workers engaged in
fabrication of structural metal products, applying knowledge of layout, product design, machine
setup, capacities and output, fitting, and welding procedures: Analyzes work orders, workpiece, and
blueprints to determine process, materials, machines, tooling, and sequence of operation. Assigns
tasks to workers, and specifies methods of coordinating workflow to meet production schedules. Sets
up machines, such as bending machines, spot welders, punch presses, drill presses, and brakes.
Instructs workers in operation of machines. Inspects finished pieces visually and using precision
measuring devices as rules, gauges, squares, and micrometers. Supervises such processes as
fabricating, welding, stock handling, and assembling. Investigates malfunction of machines and
equipment to determine need for repair. Performs other duties as described under SUPERVISOR
(any industry) Master Title.
619.130-038 SUPERVISOR, PIPE FINISHING (steel & rel.) alternate titles: finishing supervisor, weld-pipe continuous
Supervises and coordinates activities of workers engaged in
straightening, facing, testing, cutting, and threading steel pipe, and in coating and bundling pipe for
shipment. Inspects finished pipe for conformance to specifications, using micrometer, calipers, and
gauges. Directs changes in machine set-ups when product fails to meet specifications. Trains new
workers. Performs duties as described under SUPERVISOR (any industry) Master Title.
619.130-042 SUPERVISOR, PUNCH-AND-ASSEMBLY DEPARTMENT (elec. equip.) alternate titles: core-assembly supervisor
Supervises and coordinates activities of workers engaged in
fabricating and assembling laminations for rotor and stator cores. Trains workers in operation of
slitting machines, power shear, punch press, and welding and brazing equipment. Performs duties
as described under SUPERVISOR (any industry) Master Title.
619.130-046 SUPERVISOR (comm. equip.)
Supervises and coordinates activities of workers engaged in
fabrication of sheet metal chassis, cabinet components, and assemblies in television manufacturing
facility: Reviews work orders to ascertain production goals and sequence of operations. Confers with
members of management staff to arrange for assignment of workers required to meet production
demands. Observes workers performing duties, reviews production reports, and confers with quality
control personnel to evaluate work performance. Explains and demonstrates machine setup and
inspection procedures to new workers. Assigns experienced workers to assist in training new
workers. Conducts periodic inventories, and directs preparation of purchase orders according to
company policy. Performs duties described under SUPERVISOR (any industry) Master Title.
619.131-010 MACHINING-AND-ASSEMBLY SUPERVISO |
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