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SUBSCRIBE The leading Copyright |
DICTIONARY OF OCCUPATIONAL TITLES (4th Ed., Rev. 1991)
500.131-010 to 519.585-014
This category includes occupations concerned with refining, mixing,
compounding, chemically treating, heat treating, or similarly working materials and products.
Knowledge of a process and adherence to formulas or other specifications are required in some
degree. Vats, stills, ovens, furnaces, mixing machines, crushers, grinders, and related equipment
or machines are usually involved.
50 OCCUPATIONS IN PROCESSING OF METAL This division includes occupations concerned with molding, casting, coating, conditioning, or otherwise processing metal. Foundry occupations are included in Division 51.
500 ELECTROPLATING OCCUPATIONS This group includes occupations concerned with covering the surfaces of objects by electro-deposition or electrolysis.
500.131-010 SUPERVISOR (electroplating) alternate titles: plater supervisor
Supervises and coordinates activities of workers engaged in
cleaning, racking, plating, and polishing of metal or plastic objects: Selects equipment, such as
hooks, plating barrels or tanks, and racks, according to quantity, size, and type of objects to be
plated. Verifies types of plating metals and solutions, length of immersion period, and amount of
electric current flowing through solutions, following plating specifications. Assigns tasks to
workers and processes paperwork, such as timecards and supply, production and personnel
reports. Resolves personnel problems and expedites production bottlenecks to meet deadlines and
production schedules. Inspects plated surfaces of objects to detect defects, such as rough spots,
thin plating, and unpolished areas. Collects and labels samples of plating solutions for laboratory
analysis. Examines equipment, such as plating tanks, polishers, and racks, and notifies
maintenance department of needed repairs. May analyze plating solutions to verify conformance
to specifications, performing variety of tests, such as specific gravity and titration tests. May
measure thickness of plating on metal objects, using micrometer, to verify conformance to
specifications. May be designated according to specific process supervised as Supervisor,
Anodizing (electroplating); Supervisor, Electrolytic Tinning (nonfer. metal). Performs other
duties as described under SUPERVISOR (any industry) Master Title.
500.132-010 SUPERVISOR, SHEET MANUFACTURING (smelt. & refin.)
Supervises and coordinates activities of workers engaged in
making copper starting sheets by electrolysis. Performs duties as described under SUPERVISOR
(any industry) Master Title.
500.134-010 SUPERVISOR, MATRIX (recording)
Supervises and coordinates activities of workers engaged in
electroplating, stripping, finishing, and inspecting metal phonograph record matrices.
Requisitions processing materials, such as chemicals, wiping cloths, and polishing compounds.
Confers with workers' representatives to resolve grievances. Trains workers in processing
functions. Performs duties as described under SUPERVISOR (any industry) Master Title.
500.287-010 INSPECTOR, PLATING (electroplating) alternate titles: sample tester
Inspects plated surfaces of metal or plastic objects visually or
using chemical or electrical tests: Examines part for defects, such as uneven coating or scratches.
Applies chemicals to or immerses object in test solution and observes reaction or measures
dissolving time. Turns on electrical current and reads gauge to measure plating thickness.
Attaches magnet to metal part and reads gauge to measure magnet pull to determine plating
thickness. Compares readings with specifications and returns defective objects for rework. May
test samples of electrolytic solutions.
500.362-010 ELECTROGALVANIZING-MACHINE OPERATOR (electroplating)
Sets up and operates continuous multistrand
electrogalvanizing and heat-treating machine to coat steel strip or wire with zinc, according to
written specifications: Mixes chemical solutions, using formulas. Fills cleaning, pickling,
galvanizing, and waxing tanks. Charges furnace with gas or coal to prepare for galvanizing
process. Inserts wire reels and feeds wire into machine. Moves controls on rheostats and
generators to regulate movement of wire strand between reels, plating tanks, and coils, to obtain
specified thickness of coating. Adjusts controls to regulate temperature of leadpot, cleaners,
picklers, and plating tanks. Performs chemical solution tests, such as titration tests, wire hardness
tests, dip coating tests, and welding tests, to determine conformance to specifications. Readjusts
controls based on findings. Records test results. Examines coating, washing, and alignment of
wire strands visually and using micrometers to compare finished strands with specifications.
Resets and changes combs when changing width and number of strands. Replaces anodes and
recharges leadpot at specified intervals.
500.362-014 PLATER, BARREL (electroplating) alternate titles: barrel-line operator; drum plater; plater, machine; tumbler plater
Operates barrel plating equipment to coat metal objects
electrolytically with metal to build up, protect, or decorate surfaces: Places metal objects in mesh
container and immerses objects in cleaning solutions. Places objects in perforated or mesh barrel
of plating equipment and clamps door in barrel opening. Turns handle to lower barrel into plating
solution and to close electrical contacts. Starts rotation of barrel. Starts flow of electric current
through plating solution that decomposes plating metal at anode and deposits metal coating on
objects in barrel. Stops flow of current after specified time and removes objects. Places objects in
mesh container and immerses objects in rinsing solutions. Dries plated objects, using centrifugal
drier or tumbler filled with sawdust. Tests solutions, using hydrometer, and adds chemicals to
maintain specified concentrations.
500.380-010 PLATER (electroplating) alternate titles: electroplater; plating-tank operator
Sets up and controls plating equipment to coat metal objects
electrolytically with chromium, copper, cadmium, or other metal to provide protective or
decorative surfaces or to build up worn surfaces according to specifications: Reads work order to
determine size and composition of object to be plated; type concentration and temperature of
plating solution; type and thickness and location of specified plating metal; and amount of
electrical current and time required to complete plating process. Immerses object in cleaning and
rinsing baths [METAL-CLEANER, IMMERSION (any industry)]. Suspends object, such as part
or mold, from cathode rod (negative terminal) and immerses object in plating solution. Suspends
stick or piece of plating metal from anode (positive terminal) and immerses metal in plating
solution. Moves controls on rectifier to adjust flow of current through plating solution from
anode to cathode and to permit electrodeposition of metal on object. Removes plated object from
solution at periodic intervals and observes object to ensure conformance to specifications.
Adjusts voltage and amperage based on observation. Examines object visually at end of process
to determine thickness of metal deposit or measures thickness, using instruments, such
micrometers or calipers. Grinds, polishes or rinses object in water and dries object to maintain
clean even surface. May mix, and test strength of plating solution, using instruments and
chemical tests. May measure, mark, and mask areas excluded from plating. May plate small
objects, such as nuts or bolts, using motor-driven barrel. May direct other workers performing
variety of duties, such as racking, cleaning, or plating objects. May operate electroplating
equipment with reverse polarity and be known as Plating Stripper (electroplating). May be
designated according to plating materials used as Brass Plater (electroplating); Bronze Plater
(electroplating); Cadmium Plater (electroplating); Chromium Plater (electroplating); Copper
Plater (electroplating); Gold Plater (electroplating). May be designated: Nickel Plater
(electroplating); Plastics Plater (plastic prod.); Silver Plater (electroplating); Tin Plater
(electroplating).
500.380-014 PLATER APPRENTICE (electroplating) alternate titles: electroplater apprentice; plating-tank-operator apprentice
Performs duties as described under APPRENTICE (any
industry) Master Title.
500.381-010 CYLINDER GRINDER (print. & pub.) alternate titles: grinder and plater
Electroplates rotogravure printing cylinders with coating of
copper and grinds plates to specifications, using grinding machines: Immerses cylinder in
cleaning bath, using chain hoist. Removes cylinder and places cylinder in copper sulfate plating
solution for prescribed period of time to cover cylinder with copper [PLATER (electroplating)].
Removes cylinder from plating vat, rinses in water, and fastens cylinder between centers of
grinding machine, using handtools. Selects and fastens abrasive wheel onto spindle of machine.
Starts machine and turns handwheels to bring abrasive wheel into contact with surface of
cylinder, and to engage automatic feed. Measures dimension of cylinder surfaces during grinding
and polishing operation, using micrometers to obtain required precision. Removes finished
cylinder from machine and places cylinder in rack.
500.384-010 MATRIX PLATER (recording)
Electroplates phonograph record matrices to form metal
replicas of positive and negative recorded surfaces, and to form stamper used in pressing
phonograph records: Inserts silver-coated lacquer disk (original recording) in rubber masking
ring to prevent plating of specified surfaces, such as edges of disk. Hangs disk in tanks
containing plating solutions, such as nickel and copper or inserts disk over centering pin of
automatic plating tanks to form negative metal master matrix of disk. Observes dials and gauges
to ensure solutions and electric current flowing through solutions conform to specifications, and
adjusts controls as required. Removes plated disk from tanks after specified time, removes
masking ring, washes and dries disk, and routes disk to finishing department for stripping and
finishing process by MATRIX WORKER (recording). Washes master matrix after finishing
process to prevent adhesion during subsequent plating processes. Plates master matrix to form
$T3mother$T1 matrix and plates mother to form stamper used on record presses, following
prescribed plating procedures. May prepare and test plating solutions.
500.384-014 MATRIX-BATH ATTENDANT (recording)
Maintains electrolytic baths in operating condition for plating
phonograph record matrices: Draws sample of solution from tanks, using pipette. Tests strength
of solution, using hydrometer, and adds specified amounts of metallic salts, acid, or water to
solution as needed. Examines anodes for specified size and for position in baths. Activates
controls and reads meters to test electrical connections for open or short condition.
500.485-010 ZINC-PLATING-MACHINE OPERATOR (electroplating)
Tends machine that coats wire electrolytically with zinc to
protect wire surface from corrosion: Mixes zinc solution according to specified formula and turns
valves to fill tank with solution. Threads wire through machine and sets rheostat to regulate flow
of current through solution. Starts machine to pull wire through solution. Examines surface of
wire for defects, such as bubbles or bare spots, and measures thickness of coating, using
micrometer. Adjusts controls to regulate speed of reel and flow of current to coat wire to
specified thickness.
500.682-010 ANODIZER (any industry) alternate titles: white-metal corrosion proofer
Controls anodizing equipment to provide corrosion resistant
surface to aluminum objects: Selects holding rack according to size, shape, and number of
objects to be anodized. Wires or clips objects to anodizing rack and immerses rack in series of
cleaning, etching, and rinsing baths. Positions objects in anodizing tank by suspending them
from anode. Estimates amount of electric current and time required to anodize material. Turns
rheostat to regulate flow of current. Removes objects from tank after specified time, rinses
objects, and immerses them in bath of hot water or dichromate solution to seal oxide coating.
Hangs objects on racks to air-dry. May immerse objects in dye bath to color them for decorative
or identification purposes. May anodize workpiece with corrosion resistant material, using
automated equipment that automatically cleans, rinses, and coats.
500.684-010 ELECTROFORMER (electroplating)
Sprays or smears electrically conductive solution onto
nonconductive objects, such as baby shoes or plastic molds, or dips objects in solution to prepare
objects for electroplating. May electroplate objects [PLATER (electroplating)].
500.684-014 MATRIX WORKER (recording) alternate titles: finisher
Performs any combination of following tasks involved in
finishing and inspecting metal phonograph matrices after electroplating processes: Strips
(separates) master, $T3mother,$T1 and stamper matrices, using handtools, files, and knife. Holds
matrices against sanding belt or grinding wheel of bench grinder to remove burrs. Punches center
hole in stamper and mother matrices, using punch press. Fills offcenter holes with solder, using
soldering iron or acetylene torch. Steam cleans and polishes matrices, using brushes, cloths, and
polishing compounds. Examines stamper matrices for defects, and weighs matrices to ensure
conformance to standards, using scale. Cuts and flares edges of stamper matrices, using press.
Marks identifying information on master matrices, using scribe.
500.684-018 PLATE FORMER (elec. equip.)
Forms (treats) storage battery plates for dry charge or wet
charge batteries: Positions plates on conductor base of forming tank and burns lead strips to lugs
of plates [LEAD BURNER (elec. equip.)]. Inserts separators between positive and negative
plates to form element. Places elements in containers and attaches push-on or clamp-type
jumpers to connect elements in series. Mixes forming acid solution of prescribed specific gravity.
Drains solution from mixing tank into forming tanks or element containers, using hose. Connects
posts of units to electrical circuit. Adjusts rheostat to regulate current, using ammeter. Removes
formed plates from acid and places plates in water bath to remove electrolyte. Separates positive
and negative plates, places plates [in racks, and places racks in driers. Dumps forming acid from
element containers and refills containers with finishing acid. Conveys or trucks elements to final
charging line.
500.684-022 SILVER SPRAY WORKER (recording)
Sprays surfaces of prerecorded lacquer disks with silver
solution to make disks conductive, using spray gun: Positions disk on spindle of turntable in
spraying booth. Sprays revolving disk with cleaning solvents to prepare disk for silver coating.
Sprays silver solution on revolving surface of disk. May place disk in spray machine that
automatically cleans and sprays surface with silver solution.
500.684-026 PLATER, PRINTED CIRCUIT BOARD PANELS (electron. comp.)
Electroplates printed circuit board (PCB) panels with metals,
such as copper, tin, gold, nickel, or solder, to resist corrosion, improve electrical conductivity,
and facilitate solder connections: Dips panels in cleaning solutions or wipes panels with cloth to
clean panels. Clamps panels or rack of panels to overhead bar above tanks to complete
electrolytic current. Immerses panels in plating solution. Sets timer for specified plating time and
turns on electrical current. Observes meter and turns dial to maintain specified current in plating
solution. Removes plated panels and immerses panels in rinsing tank. Examines plated panels for
defects. May test thickness of plating, using gauge or test equipment. May tape areas to be
excluded from plating, using tape machine. May trim excess material from PCB panels, using
shearing machine. May calculate amperage setting, following specified formula. May be
designated according to plating material used as Gold Plater (electron. comp.); Nickel Plater
(electron. comp.).
500.684-030 PLATER, SEMICONDUCTOR WAFERS AND COMPONENTS (electron. comp.)
Electroplates semiconductor wafers and electronic
components, such as copper leads and rectifiers, with metals, such as gold, silver, and lead:
Reads processing sheet to determine plating time and specifications. Places components or
wafers in basket or fixture, using tweezers, and immerses components or wafers in chemical
solution baths for specified time to clean and plate components or wafers. May measure
thickness of photoresist and metal on wafer surface, using micrometer, and test electrical
circuitry of individual $T3die$T1 on wafer, using test probe equipment. May measure anode
width on wafer surface, using microscope measuring equipment.
500.684-034 PLATER (inst. & app.) alternate titles: electroformer
Plates component parts, such as micromesh screen patterns
and electronic tubes, used in medical and laboratory measuring and controlling instruments,
using electrolytic plating tank: Positions screen pattern or component part in frame or on rack,
and hangs frame or rack in plating tank. Sets switch for specified plating time, and activates
electric current to deposit ionized metal on nonprinted area of screen pattern or component part.
Immerses electroformed part in water to rinse off electrolyte, and immerses rinsed part in solvent
to dissolve pattern. May measure thickness of electroplating on component part to verify
conformance to specifications, using micrometer.
500.685-010 ETCHER, ELECTROLYTIC (cutlery-hrdwr.) alternate titles: etcher
Tends equipment that electrolytically etches markings, such
as insignias, trademarks, and part numbers on metal articles: Turns switches on power control
unit to allow flow of electric current through electrolytic solution in tank. Positions workpiece on
stencil and against contact strip to complete electric circuit. Places workpiece in electrolytic
solution that etches stencil markings on metal. Removes workpiece from solution, after specified
time, and sprays workpiece with water to remove acid. Immerses workpiece in rust preventive
solution.
500.685-014 PLATING EQUIPMENT TENDER (electroplating) alternate titles: electroplater, automatic; plater production
Tends automatic equipment that conveys objects through
series of cleaning, rinsing, and electrolytic plating solutions to plate objects with metallic
coating: Starts equipment and regulates flow of electricity through plating solution and
immersion time of objects in solutions, according to specifications. Monitors automatic plating
process to ensure conformance to standards. Adds water or other materials to maintain specified
mixture and level of cleaning, rinsing, and plating solutions. Observes temperature gauges and
adjusts controls to maintain specified temperatures of cleaning and rinsing solutions. Lubricates
moving parts of plating conveyor. Cleans plating and cleaning tanks. May test plating solution,
using hydrometer and litmus paper, or obtain random sample of plating solutions for laboratory
analysis. May replace anodes and cathodes in plating equipment. May fasten objects onto hooks
or racks, or place objects into containers or onto conveyor attached to plating equipment. May
start and monitor computerized plating process. May manually immerse objects into plating or
rinsing solutions.
500.686-010 LABORER, ELECTROPLATING (electroplating) alternate titles: electroplater helper; plater helper; plating-department helper
Performs any combination of following tasks to load and
unload electroplating equipment or to assist PLATER (electroplating) 500.380-010: Fastens
metal workpieces to devices, such as hooks, racks, and cathode bars, or loads workpieces in
baskets or barrels. Immerses workpieces in series of cleaning, plating, pickling, and rinsing
tanks, following timed cycle, manually or using hoist. Carries workpieces between conveyors
that move workpieces through electroplating processes. Sets temperature dials of tanks to
prescribed level. Flips switch to activate electroplating process in tanks. Removes workpieces
from hooks, racks, bars, baskets, or barrels, and examines workpieces for plating defects, such as
rough spots and thin plating. Dries plated workpieces, using oven, centrifugal drier, or
sawdust-filled container. Packs workpieces in boxes or cartons for shipment [PACKAGER,
HAND (any industry) 920.587-018]. Drains solutions from and cleans and refills tanks. Removes
buildup of plating metal from racks, using hammer or compressed-air vibrator, and coats racks
with shellac. Replaces damaged or worn equipment parts. May be designated according to task
performed as Cleaner (electroplating); Rack Cleaner (electroplating); Racker (electroplating);
Sawdust Drier (electroplating).
500.687-010 PLATE-TAKE-OUT WORKER (elec. equip.)
Removes storage-battery plates from forming tanks
preparatory to further processing. Submerges negative plates in water-filled tank truck to prevent
excessive oxidation. Stacks positive plates in dry tank. May push loaded tank trucks to washing
and drying room.
501 DIP PLATING OCCUPATIONS This group includes occupations concerned with covering, without electrolysis, the surfaces of objects with metal coatings by immersing them in molten, liquid, or solute form of the coating metal, or in materials which react with the object surface to form the metal coating.
501.130-010 SUPERVISOR, HOT-DIP-TINNING (steel & rel.)
Supervises and coordinates activities of workers engaged in
operating hot-dip-tinning machines to tinplate black-pickled steel sheets, and in classifying and
assorting tinplate. Trains workers in set up of machines. Performs duties as described under
SUPERVISOR (any industry) Master Title.
501.137-010 SUPERVISOR, HOT-DIP PLATING (galvanizing)
Supervises and coordinates activities of workers engaged in
applying corrosion-resistant coatings of zinc, tin, or other metal to variety of metal objects.
Monitors gauges to verify operational specifications, such as solution temperature and immersion
time. Examines products for even and complete coating. Trains new workers in job duties.
Performs duties as described under SUPERVISOR (any industry) Master Title.
501.362-010 COATING-MACHINE OPERATOR (galvanizing)
Sets up and controls automatic hot-dip lines to plate steel
sheets with protective coating of metal, such as tin or terne: Reads production schedule to
determine setup of lines. Turns screwdown mechanism to set distance between coating brushes
and rolls, using handtools. Measures and sets stops and guides on automatic feeder and
conveying equipment according to dimensions of product to be coated, using rule and wrenches.
Turns controls to set temperatures of coating metal and palm-oil pots. Starts conveyor line and
moves controls to synchronize speed of line with speed of coating machine that conveys sheets
into molten tin covered with palm oil to cause even distribution of tin. Inspects coated product
for defects and changes setup to coat sheets to specifications. May be designated according to
type of coating as Tinner, Automatic (galvanizing).
501.485-010 WIRE-COATING OPERATOR, METAL (galvanizing) alternate titles: strand galvanizer; wire galvanizer
Tends one or more machines, equipped with series of tanks,
that coat wire with corrosion-resistant material, such as tin, zinc, or lead: Lifts and mounts coils
of wire on feed reels. Threads end of wire through series of guides, rollers, wipers, and tanks and
secures it to rewind reel. Moves levers to heat coating material to molten consistency and set
specified temperature of fluxing, cooling, and cleaning baths. Moves controls to start machine,
set tension on wire, and adjust speed that wire feeds through tanks. Observes levels of materials
in tanks and replenishes material when levels drop below specified point. Measures finished wire
to ensure uniformity of coverage, using micrometer. Adjusts machine settings to regulate
thickness of coating, according to specifications. Welds coils of wire together, using butt-welder,
to maintain continuous wire coating operation. May be designated according to type of coating
material applied as Lead Coater (galvanizing); Wire Tinner (galvanizing).
501.685-010 PLATER, HOT DIP (galvanizing) alternate titles: galvanizing dipper; pot runner
Tends equipment to coat iron and steel products with
corrosion-resistant molten nonferrous metal: Suspends metal objects, such as pails, shelving, nuts
and bolts, and structural steel from conveyor hooks or places them in wire baskets. Immerses
objects in chemical solution to clean surface of scale and foreign matter. Lowers objects into tank
of ammonium chloride or other flux to protect surface from oxidation and facilitate coating. Dips
objects into tank of molten metal to coat objects, using hoist or conveyor. Removes objects from
tanks after specified time. Places objects, such as nuts and bolts, in centrifuge and starts machine
to cool objects and remove excessive coating. Places objects, such as shelving and structural
steel, into water tank or transfers them to storage area to cool. Smooths coating, using wire brush
and file. Inspects objects for even and complete coating and returns defective objects for
reprocessing. Scoops dross from tank, using long-handled scoop, pours dross into molds, and
weighs molded dross. Turns valves to regulate temperature in dipping tank. Adds coating metal
and chemicals to maintain specified levels and mixtures in cleaning, dipping, and fluxing tanks.
May be designated according to type of coating applied as Galvanizer, Zinc (galvanizing); Tin
Dipper (galvanizing).
501.685-014 TINNING-EQUIPMENT TENDER (elec. equip.)
Tends equipment that coats preassembled groups of contact
springs for relays and switches: Secures springs with screws, using foot-controlled pneumatic
screwdriver. Loads multispring subassemblies on conveyor of equipment that coats terminals of
subassemblies with tin. Loads solder bars and flux solution into equipment, and sets thermostat
to control temperature of tinning solution.
501.685-018 BLACK OXIDE COATING EQUIPMENT TENDER (electron. comp.) alternate titles: black oxide operator
Tends computerized equipment that applies black oxide
coating to printed circuit board (PCB) panels to prevent electrical contact between layers and to
aid adhesion of layers of multilayer PCB's: Loads PCB panels into racks and positions racks
under equipment crane. Pushes button to activate crane that automatically lifts racks of panels
and immerses racks into series of tanks that coat panels with black oxide. Measures temperature
of solutions with pyrometer and turns equipment knobs and valves to adjust temperature and
regulate liquid volume. Places panels in oven to dry.
501.685-022 ELECTROLESS PLATER, PRINTED CIRCUIT BOARD PANELS (electron. comp.) alternate titles: deposition operator
Tends electroless plating equipment that immerses printed
circuit board (PCB) panels into series of chemical tanks to clean, rinse, and deposit metal plating
on panels to improve electrical conductivity and facilitate solder connections in production of
PCB's: Turns valves to fill tanks with solutions to specified levels. Loads panels onto dipping
racks and attaches racks to bar, hoist, overhead crane, or holding fixture. Sets timer for
deposition cycle. Keys data into computer keyboard, presses buttons or pulls levers to activate
equipment that moves racks of panels through tanks, or lowers racks into tanks manually.
Observes gauges and adjusts valves on tanks to maintain required temperature. Removes PCB
upon completion of deposition cycle. May compute length of deposition cycle, using calculator.
May add chemicals to tanks. May be designated according to type of coating applied as Copper
Deposition Operator (electron. comp.).
502 MELTING, POURING, CASTING, AND RELATED OCCUPATIONS This group includes occupations concerned with heating metal to change it from a solid to a liquid state, pouring it into a mold or other receptacle and allowing or causing it to solidify.
502.130-010 SUPERVISOR, CASTING-AND-PASTING (elec. equip.)
Coordinates processes, supervises workers, and sets up
machines used to manufacture storage-battery grids and plates: Coordinates hand and machine
operations, such as lead melting, casting and trimming, paste mixing, grid pasting and drying,
and inspection. Sets up machines, such as trimming press and pasting machines. Adjusts stops,
guides, blades and rollers, and changes molds. Inspects in-process or finished parts, such as
grids, connectors, and wet and dry plates to determine conformance to specifications. Observes
gauges, thermometers, temperature controls, and operation of machines and equipment to detect
malfunctions and directs or makes changes to correct defects. Reports mechanical breakdowns to
maintenance department. Performs other duties as described under SUPERVISOR (any industry)
Master Title. May be designated according to operation supervised as Supervisor,
Grid-Casting-And-Pasting (elec. equip.); Supervisor, Plate Pasting (elec. equip.).
502.362-010 SHOT DROPPER (ordnance)
Controls kettles at top of shot tower to melt scrap shot, pure
lead, and lead alloys and drops mixture through perforated pans down tower to form shot for
shotgun shells: Computes in pigs and pounds, amounts of pure lead and lead alloys, containing
various percentages of antimony, required to produce mixture of specified antimony content.
Notifies MATERIAL HANDLER (any industry) type and quantity of pigs to load onto conveyor.
Starts conveyor and turns wheel or moves lever to regulate feed rate of lead pigs and scrap shot
into kettle. Observes pyrometers and turns knobs to adjust kettle temperature, according to
specifications. Positions specified $T3shot pan, spreader pan, and cup$T1 in fixture beneath
kettle spout. Turns crank to regulate molten metal flow from kettle into cup. Observes falling
pellets to detect defects, such as irregular shot size, clogged holes in shot pan, and impurities in
lead. Adjusts flow of lead to increase or decrease size of pellets. Adjusts kettle temperature to
burn out impurities. Removes pans and dips pans in kettle to melt clogged lead from perforations
prior to reuse. Shakes shot samples through gauging sieve and estimates production of specified
shot size from percentage of pellets passing through sieve.
502.381-010 CASTER (jewelry-silver.) alternate titles: molder; slush caster
Casts jewelry pieces and ornamental figures for trophies and
plaques from molten lead or zinc: Melts zinc or lead alloy bars in kettle. Assembles sections of
mold and secures mold with C-clamp. Pours molten metal into mold, using hand ladle.
Disassembles mold after specified time and knocks sand from casting, using mallet. Places
jewelry piece or figure in tray to cool.
502.381-014 MOLDER, PUNCH (aircraft mfg.) alternate titles: molder; molder, closed molds
Casts male dies (punches) used in stamping aircraft parts
from sheet metal: Operates hoist to position female dies on foundry floor [MONORAIL CRANE
OPERATOR (any industry) 921.663-042]. Clamps metal and plywood strips around die to form
mold. Shapes mold to specified contours with sand, using trowel and related tools. Tilts melting
pot or uses ladle to pour molten alloy (aluminum, lead, zinc) into sand mold. Places metal jig
with anchor bolts attached, or similar insert setup, over mold and into molten metal in prescribed
manner to attach anchor bolts to punch. May smooth dies. May preheat dies, using blowtorch or
other equipment. May apply parting compound to dies. May operate furnaces and ovens.
502.382-010 BULLET-SLUG-CASTING-MACHINE OPERATOR (ordnance) alternate titles: machine-casting operator and adjuster
Operates machine to cast slugs for subsequent swaging into
small arms ammunition bullets: Slides lead pigs and scrap into melting kettle, turns valves to
control fuel-air mixture to furnace and coolant water flow to molds, and starts pump that forces
molten metal through pipes to casting wheels adjacent to kettle. Starts machine and observes
water on heated molds to determine when water sizzles, indicating specified temperature of
molds for production casting. Examines slugs for such defects as fins, out of miter (halves not
matching), partial formation, and pits. Adjusts machine controls and replaces worn and warped
molds to correct malformation of slugs, using handtools. Examines molds, using straightedge
and light, to detect incomplete closure and warpage, and straightens warped molds, using
hand-powered press.
502.382-014 FLUOROSCOPE OPERATOR (nonfer. metal)
Operates fluoroscope to inspect metal castings for hidden
defects, such as excessive porosity and subsurface cracks: Aligns castings on table, lowers
fluorescent screen over castings, and starts machine. Turns dials to adjust fluorescent penetration
depth according to density of metal. Examines reflections of castings on illuminated lid to locate
defects. Realigns castings for cross-sectional views, adjusting dials to new focus points. Rejects
castings not conforming to plant specifications, and places castings aside for salvaging. Notifies
superior of findings. Records number of castings inspected and rejected, using automatic counter.
Submits minometer pencil worn on person to supervisory personnel for reading to ascertain
amount of stray radiation escaping from fluoroscope. May inspect casting for defects, using
magnetic testing machine [INSPECTOR, MAGNETIC PARTICLE AND PENETRANT (any
industry) 709.364-010].
502.384-010 PEWTER CASTER (jewelry-silver.)
Casts pewter alloy to form parts for goblets, candlesticks, and
other pewterware: Places pewter ingots into cauldron and turns controls to heat cauldron to
specified temperature. Stirs molten alloy and skims off impurities, using skimmer. Sands inside
of mold parts to remove glaze residue, using emery cloth; applies new glaze, using paint brush;
and sets mold parts aside to dry. Assembles mold, wraps mold in heat-resistant cloth, and ladles
molten alloy into mold opening. Manually rotates mold to distribute alloy in mold and prevent
formation of air pockets. Strikes mold to separate dried casting from mold, using knocker.
Repeats casting process until specified number of parts are cast. Trims gates and sharp joints
from cast parts, using bandsaw. Carries trimmed castings to storage area. Periodically weighs and
mixes alloy ingredients according to formulas and knowledge of ingredient chemical qualities,
heats mixture to specified temperature, and fills molds to form ingots from which parts are cast.
May cast items, using other equipment, such as temporary molds or casting machines.
502.482-010 CASTER (nonfer. metal)
Operates gas-fired furnace to melt nonferrous metal, such as
aluminum, magnesium, and zinc, and pours molten metal into molds to form castings of items,
such as kitchen utensils, laundry equipment, metal furniture, and power mower housings: Weighs
specified amounts of ingots or scrap and loads metal into furnace. Turns valve to regulate
temperature in furnace. Verifies specified pouring temperature of molten metal, using pyrometer.
Positions and clamps specified mold in holding device. Dips hand ladle into furnace pot and
pours molten metal into mold. Observes light on preset timing gauge which indicates metal in
mold has solidified. Removes casting from mold with handtools, and examines casting for
defects, such as cracks, chips, and missing metal. May transport ladle from furnace to pouring
station, using jib or monorail crane.
502.482-014 CASTING-MACHINE OPERATOR, AUTOMATIC (elec. equip.) alternate titles: parts-casting-machine operator
Operates one or more automatic single- or multiple-mold
casting machines to mold storage battery parts, such as grids, connectors, and posts: Loads lead
bars or shovels pig lead and scrap lead into melting kettle. Ignites burners and sets controls to
melt lead and heat molds to specified temperature. Smokes or coats mold with compound to
prevent sticking, using acetylene torch or spray gun. Aligns and adjusts mold halves to ensure
casting of grids according to specified thickness, using handtools. Turns valves to control flow of
lead to ladles and water to mold-cooling sprays. Starts machine that automatically pours
specified amount of lead from ladle into mold. Inspects parts ejected from molds to detect defects
or discolorations, and measures and weighs grids, using fixed gauges and scale, to ensure
conformance to thickness and weight specifications. Adjusts temperatures of lead and molds and
flow of lead or water to correct defects. Removes lead adhering to mold, using brush or scraper.
Skims dross from molten lead, using hand ladle. May operate single-mold machine equipped
with press that automatically trims grids. May repair pipe connections and stitch or replace
conveyor belt, using handtools. May change or adjust molds.
502.482-018 ROTOR CASTING-MACHINE OPERATOR (elec. equip.) alternate titles: die-casting machine operator
Sets up and operates die press, using demountable dies (dies
with interchangeable parts) to cast motor and generator rotors: Stacks rotor core laminations
[LAMINATION ASSEMBLER (elec. equip.)] and mounts them over keyed mandrel secured to
die base of casting machine. Verifies skew of core slots, using fixed gauge and places die shell
and top plate over assembly and secures with C-clamp. Loads aluminum bar stock into pot-type
furnace. Observes thermocouple dial and turns gas valve to regulate temperature of molten metal.
Lines cylinder pot with asbestos strips and disk to prevent chilling. Pours specified amount of
molten aluminum into cylinder, using hand ladle. Loads die and lamination assembly into press
cavity and closes door. Pulls levers to activate die rams that force molten aluminum through and
around laminations and eject cast rotor from press cylinder. Removes and stamps rotor with
identifying data.
502.664-010 BLAST-FURNACE KEEPER (steel & rel.)
Taps blast furnace to fill ladles with molten metal: Drills
taphole preparatory to tapping, using power hand drill. Positions splasher plate in front of taphole
to prevent splashing of metal when furnace is tapped. Guides point of oxygen lance into drilled
taphole to tap furnace. Opens gates and shutters to direct flow of molten iron onto runners and
into ladles. Plugs taphole after ladles are filled, using mud gun. Assists other workers in breaking
up and removing slag from runners, relining runners with sand, clay, and refractory mixture, and
drying relined runners. Repairs or replaces defective tuyeres, blowpipes, and boshplates in
furnace, using handtools.
502.664-014 STEEL POURER (steel & rel.) alternate titles: caster
Pours molten metal from ladles into molds to form ingots:
Examines molds to ensure that they are clean, smooth, and coated. Signals OVERHEAD
CRANE OPERATOR (any industry) 921.663-010 to position pouring nozzle of ladle over
molds. Pulls lever to lift ladle stopper and allow molten steel to flow into ingot molds to
specified height. Replaces defective stoppers, using handtools, sledges, and bars. Signals
STEEL-POURER HELPER (steel & rel.) during steel pouring operation to obtain sample of steel
for analysis, spray water on filled molds, and cap molds. Removes solidified steel or slag from
pouring nozzle, using long bar or oxygen burner.
502.664-018 STEEL-POURER HELPER (steel & rel.)
Assists STEEL POURER (steel & rel.) in pouring molten
metal into molds: Places equipment, such as shovels, water hose, and boards on pouring
platform. Counts molds and caps to ensure specified number for pouring operation. Measures
and marks molds to indicate specified filling heights, using tape and chalk. Weighs specified
additives, and transports additives to pouring platform, using wheelbarrow. Shovels additives
into molds to prevent metal from boiling and forming air bubbles inside ingot. Signals
OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to position hot-tops (covers) or
steel plates on filled molds to retard cooling of steel. Pours sample of molten steel into test mold
for laboratory analysis. Sprays mold covers with water to cool covers. Signals OVERHEAD
CRANE OPERATOR (any industry) to remove covers from molds after steel has solidified.
Removes bricks from ladles that require relining and sets stopper assemblies and nozzles in
relined ladles, using bars, sledge, and handtools. Performs other duties as described under
HELPER (any industry) Master Title.
502.682-010 BULLET-CASTING OPERATOR (ordnance)
Controls automatic equipment to melt and cast lead into
cylindrical billets, and extrude billets into wire for making bullets and cores used in small arms
ammunition: Starts electric furnace, observes gauges, and turns rheostat to maintain specified
temperature and pressure. Charges furnace with lead pigs and scrap of specified alloy, using
conveyor and elevating platform. Skims dross from molten lead with skimming ladle. Turns
wheel to adjust flow of molten lead into mold. Adjusts stroke of billet extractor mechanism,
installs extruding dies, and regulates ram speed and flow of water coolant, using handtools.
Threads extruded wire over pulleys into slug-forming machines or through guide pipes to be
coiled in drums. Verifies wire size with snap gauges to ensure conformity to specifications.
502.682-014 CASTING-MACHINE OPERATOR (nonfer. metal)
Sets up and operates continuous casting machine to produce
tubes and rods: Threads graphite die into bottom of crucible that holds molten metal during
casting process. Places water jacket around die and connects waterlines. Inserts metal bar
(starting tip) through die into crucible to form weld with molten metal. Inserts metal extension
rod through driving rollers and threads rod to starting tip. Regulates speed of rollers to draw
extension rod, starting tip, and molten metal through die in continuous casting process.
502.682-018 CENTRIFUGAL-CASTING-MACHINE OPERATOR (jewelry-silver.) alternate titles: caster
Operates one or more centrifugal-casting machines to cast
metal parts of costume jewelry: Dusts inside of rubber mold with chalkdust compound to
facilitate flow of metal during casting and prevent mold from burning. Fits halves of molds
together and places them on mold setting. Places disks under mold to adjust working pressure.
Positions metal-pressure plate on mold to level mold on machine. Sets dial for specified pressure
and speed of rotation, closes lid, and starts machine. Pours molten metal through funnel into
machine, using ladle. Stops machine and removes mold. Separates halves of mold to remove
casting, using pliers. May cast wax models of jewelry.
502.684-010 LEAD CASTER (elec. equip.) alternate titles: parts caster, hand
Casts lead storage battery parts, such as grids, connectors,
posts, and straps: Installs specified type and size mold on bed of machine, using handtools.
Loads lead bars or shovels pig lead or scrap lead into melting kettle. Ignites burner and sets
controls to melt and heat lead to casting temperature. Coats or smokes faces of mold to prevent
sticking, using spray gun or acetylene torch. Dips ladle into molten metal and pours metal into
mold. Moves lever or strikes knock-out pins with mallet to open mold and release parts. Inspects
parts for cracks, flash, or faulty molding, and adjusts temperature of kettle to correct defects.
Trims edges of parts, using hand scraper or pedal-operated power shear. Cleans mold, using
brush. May change mold inserts and adjust knock-out pins, using handtools and depth gauge.
May position and manually hold one half of mold against other half, pour metal into mold, and
separate mold parts and loosen castings, using soft mallet. May pour lead into molds held in
radial arms of machine that brings molds to worker and discharges castings onto table. May sort
and weigh parts. May be designated according to part cast as Grid Caster (elec. equip.).
502.684-014 MILL HELPER (nonfer. metal) alternate titles: lead-sheet cutter
Mixes specified ingredients with molten lead, pours lead into
molds, and cuts lead slabs to specified dimensions: Charges kettle with materials for melting,
using shovel. Guides crane-supported mixer into kettle, and mixes contents in kettle. Opens
valve permitting molten metal to flow into mold to form slab. Skims surface of bath to remove
impurities, using skimming board. Marks cutting lines on lead sheet, using chalk, steel square,
and tape measure, after ROLLING-MILL OPERATOR (nonfer. metal) has rolled slabs into
sheets of specified thickness. Guides power-driven knife along chalklines to cut sheets to
specified size. Cuts smaller sheets, using portable electric saw or slitting machine. May melt
solidified metal in outlet pipes, using gas torch.
502.684-018 MOLD SETTER (elec. equip.) alternate titles: casting-machine adjuster
Positions and aligns molds used for hand or machine casting
lead parts, such as grids, battery posts, and straps: Positions and secures mold on bed of machine,
using handtools. Adjusts timing mechanism to coordinate flow of lead and coolant to molds.
May oversee workers engaged in hand or machine casting.
502.684-022 NEEDLE LEADER (button & notion) alternate titles: needle molder
Casts needle or thread guide assemblies for use in knitting
machines: Selects size and type of mold according to instructions. Positions needles or thread
guides into mold slots with fingers and closes mold preparatory to casting process. Ladles molten
lead into mold opening to form casting around parts. Removes assembly from mold, using pliers.
Cuts excess lead from assembly and smooths rough edges, using knife, saw, and electric grinder.
May align needles or thread guides, using gauges, hammer, and pliers.
502.685-010 MOLDER, LEAD INGOT (ordnance)
Tends furnace to melt lead-antimony pigs and scrap, and
ladles molten metal into molds: Slides pigs into furnace pot, allowing oil fumes to burn off
melting metal to avoid accumulation of explosive oil vapor-air mixture. Stirs molten metal,
skims dross from surface, and ladles metal into ingot molds. Turns valves to control flow of
coolant water to molds. Inverts molds, when metal is solidified, and knocks ingots loose.
502.685-014 REMELTER (elec. equip.; machinery mfg.; print. & pub.)
Tends furnace that melts scrap metal and casts it into pigs
(bars or ingots) for reuse: Regulates furnace controls to attain specified temperature. Shovels
scrap metal into furnace. Skims dross (scum) from molten metal, using ladle. Turns valve and
allows molten metal to run into molds to form pigs. Removes cooled pigs from mold and stacks
pigs in storage area.
502.686-010 CASTING-MACHINE-OPERATOR HELPER (elec. equip.) alternate titles: grid-casting-machine-operator helper
Assists CASTING-MACHINE OPERATOR, AUTOMATIC
(elec. equip.) in molding storage battery grids performing such tasks as removing grids from
machine rails, counting grids, and stacking grids on dollies. Performs other duties as described
under HELPER (any industry) Master Title.
502.687-010 BLAST-FURNACE-KEEPER HELPER (steel & rel.)
Assists BLAST-FURNACE KEEPER (steel & rel.) in tapping
blast furnace: Breaks slag from casting equipment, such as slag runners, iron troughs, gates, and
dams, using bars, hammers, and shovels. Relines runners, troughs, gates, and dams with
refractory materials, such as fireclay, sand, and coal dust. Cleans and loads clay gun for plugging
taphole. Removes obstructions in runners during casting operations, using tong bar. Obtains
sample of molten iron during cast, with spoon and pours sample into test mold. Assists in
changing tuyeres, coolers, cinder notches, and blowpipes on blast furnace, using handtools.
Cleans dust, debris, and solidified metal from blast furnace and casting area. Performs other
duties as described under HELPER (any industry) Master Title.
502.687-014 BUSHER (nonmet. min.)
Pours molten lead into center of grinding wheels to form
bushing: Lights blowtorch under pot to melt lead. Positions grinding wheels on table with shaft
or spindle protruding through center of wheel. Fills area around shaft with molten lead to form
bushing. Cuts excess lead from around edge of bushing, using mallet, chisel, and power reamer.
502.687-018 LEAD-CASTER HELPER (elec. equip.)
Performs any combination of following duties pertaining to
casting of lead storage battery parts: Inspects cast storage-battery parts, such as lead washers,
lugs, connectors, straps, and trimmed grids for holes, warps, discoloration, or other defects, and
segregates rejects for salvage. Cleans excess lead (fins, flashings, and burs) from parts, using
handtools. Stacks acceptable grids and sorts other parts according to type. Shovels pig and scrap
lead into melting kettle. Skims dross from molten metal, using ladle. May tally number and type
of rejects. May be designated according to part processed as Casting Inspector (elec. equip.);
Grid Inspector (elec. equip.); or task performed as Lead-Supply Worker (elec. equip.).
503 PICKLING, CLEANING, DEGREASING, AND RELATED OCCUPATIONS This group includes occupations concerned with removing coatings of grease, scale, tarnish, oxide, etc., from metal objects to obtain a clean surface. Cleaning is usually accomplished by subjecting the metal objects to acid baths.
503.137-010 SUPERVISOR, SANDBLASTER (ship-boat mfg.)
Supervises and coordinates activities of workers engaged in
sandblasting surfaces of ships in drydock and shop equipment: Confers with planning personnel
to ensure requisition of equipment and materials. Inspects work to ensure conformance to
prescribed standards. Trains new workers. Performs other duties as described under
SUPERVISOR (any industry) Master Title.
503.362-010 PICKLER, CONTINUOUS PICKLING LINE (any industry) alternate titles: cleaner operator; continuous-dryout operator; pickler operator; strip cleaner
Sets up and controls continuous pickling or
electrolytic-cleaning line to remove dirt, oil, and scale from coils of brass, copper, or steel strip
and wire: Turns valve to add acid to processing tanks and shovels inhibitor into tanks to obtain
baths of specified acid concentration. Installs and adjusts guides, pinch and leveler rolls, and side
shears on processing line, according to specified dimensions of coils to be cleaned, using
handtools. Moves controls to regulate speed of coil through line, to shear coil on each side of
weld or stitch, and to remove coil from upcoiler machine. Verifies dimensions of pickled coils,
using micrometer and measuring tapes. Examines surface of coils to verify removal of dirt, oil,
and scale. Tests solution concentration in baths, using titration test equipment, and adjusts
processing line controls to ensure conformance to specifications. May be designated according to
type of line controlled as Electrolytic De-Scaler (any industry).
503.362-014 SHOTBLAST-EQUIPMENT OPERATOR (foundry)
Operates equipment to clean dirt, scale, and core materials
from steel castings with blasts of steel shot: Presses control panel buttons to adjust equipment
settings for manual or automatic operations, length of cycle, sequence and timing of various
operations, and position of oscillator. Moves control to activate tow-mechanism drive to
transport trolley loaded with castings into shotblast chamber, and watches operation to ensure
that hydraulic doors close completely, trolley and oscillator positions are correct, and that air
turbine and shotblast wheels start in sequence. Monitors control panel dials and listens to
equipment operations to detect jams or malfunctions. Stops equipment to clear jams, replace
fallen castings, reposition oscillator, and adjust hydraulic equipment. Notifies machine repairer
when unable to correct malfunction. Greases equipment, maintains hydraulic fluid levels, and
performs minor maintenance, using grease gun and handtools.
503.684-010 CLEANER (ordnance)
Cleans and prepares subassemblies of pistols, rifles, shotguns,
and revolvers for bluing: Disassembles components, such as barrel and ratchet, trigger and
hammer, trigger guard, and back strap. Blows out particles remaining after sand blasting, using
airhose. Places parts in rack or wire basket and immerses parts in degreasing tank to remove oil
and dirt. Mixes alcohol and whitening powder and rubs resultant paste onto gun parts to facilitate
bluing. Wires parts together and attaches them to immersing rod. Blows excess solution from
blued parts with airhose. Inspects parts for nicks, scratches, clearness of trademark, and
cleanness. Reassembles subassemblies, using screwdriver. May pour specified amount of
chemical solution (acid) into degreasing tanks.
503.685-010 COATER (business ser.)
Tends equipment that cleans, coats, and dries baking pans:
Mixes cleaning and glazing solutions according to formula or uses premixed solutions. Places
pans in baskets and immerses baskets in stripping and soaking tanks to remove glaze and
corrosion. Fills spray reservoirs with cleaning and glazing solutions. Removes pans from tanks
and places pans on conveyor that carries pans through sprays that wash and coat surfaces with
glazing solution to reduce need for greasing and to protect them against rust. Turns nozzles to
adjust direction and pressure of sprays. Transfers pans to ovens that dry coating. Turns knobs to
adjust oven temperature according to chart. Removes pans from oven and examines surfaces to
detect defects, such as warpage and uneven coating. Tends hydraulic press to straighten warped
pans. May tend overhead hoist to immerse and transfer pans to and from tanks, conveyors, and
ovens. May load and unload pans from trucks, using handtruck.
503.685-014 DIP-LUBE OPERATOR (ordnance)
Tends tanks to clean lead bullets and coat bullets with wax:
Scoops bullets into perforated drum and immerses bullets in solvent to remove chips and grease.
Immerses bullets into molten wax. Presses buttons on portable control box to rotate drum.
Empties coated bullets onto conveyor belt, closes cover of blower, and starts blower to dry wax
and draw off solvent fumes. Examines bullets for defects, such as malformations, gouges, dents,
or blunted ends. Discards defective bullets. Starts conveyor to dump bullets that conform to
standards into tote boxes. Tests coating solution, using hydrometer, and adds solvent or wax to
maintain specified viscosity.
503.685-018 DRIFTER (steel & rel.) alternate titles: drifting-machine operator
Tends drifting machine that removes scale from inner
surfaces of pipe: Installs specified drift mandrel in machine, using handtools, and inserts pipe
into head of machine. Moves controls to tighten pneumatic grip that holds pipe in position, and
to move mandrel in and out of pipe to loosen scale.
503.685-022 FLAME DEGREASER (automotive ser.)
Tends oven and auxiliary equipment that burn away grease
from used automobile parts preparatory to rebuilding: Ignites gas jets in degreasing oven. Starts
machine conveyor and hangs or places grease-coated parts on moving conveyor that carries them
through oven and deposits them in collecting basket. Shuts off machine when basket is full.
Removes deposited soot and other foreign matter from parts, after parts have cooled, using
rotating power brush.
503.685-026 FURNACE-AND-WASH-EQUIPMENT OPERATOR (ordnance) alternate titles: continuous-washer operator
Tends equipment that cleans and dries metal cartridge parts:
Loads parts into hopper by hand or using hoist. Moves switches to start conveyor system and
rotate open end tumbling barrels that remove oil, scale, and dirt from cartridge parts. Turns steam
and water valves and reads gauges to regulate temperature and level of cleaning solutions in
tanks and to regulate temperature in drying drum. Adds chemicals, such as acids and detergents,
to maintain solutions at specified concentrations. Examines parts at ejection chute to ensure parts
are cleaned and dried according to specifications. May operate electric tier-lift truck to position
containers filled with parts on platform above feed hopper. May tumble parts in metal-drawing
(lubricating) solution prior to drying process.
503.685-030 METAL-CLEANER, IMMERSION (any industry) alternate titles: acid dipper; cleaner; galvanizer; grease remover; neutralizer; pickler; pickling operator; pickling-tank operator; power washer; process treater
Tends equipment that chemically cleans grease, scale, dirt,
and other foreign matter from metal objects to prepare them for processes, such as electroplating
and galvanizing: Removes shavings, dirt, and rust spots from objects, using airhose, file, or
sandpaper. Loads objects on conveyor which carries them through series of chemical and rinsing
baths, or places objects on racks or in containers and immerses objects in chemical and rinsing
solutions, manually or using hoist. Moves controls to start conveyor and to regulate temperature
of solution or conveyor speed. Maintains consistency of cleaning solutions by adding specified
amount of chemical to solutions. Drains, cleans, and refills tanks with chemicals. May dry
objects, using dryer. May examine cleaned objects to ensure conformance to standards. May be
known as Degreaser (any industry); or may be designated according to type of cleaning
equipment as Ultrasonic Cleaner (any industry).
503.685-034 METAL-WASHING-MACHINE OPERATOR (svc. ind. mach.)
Tends machine that washes, rustproofs, and dries metal parts
used in air-conditioners: Turns valves to activate spray washers. Reads dial instruments and turns
valves to adjust pressure. Observes machine operation and loads conveyor line hooks with parts
which are then degreased, rinsed, coated with rustproof film, and dried in oven. Tests solutions in
tanks by placing few drops in test tubes or pipettes, applying chemical reagents and observing
reaction of test sample. Strengthens or dilutes solution as necessary. May perform same tasks on
parts used in manufacture of oil burners.
503.685-038 SANDBLAST OPERATOR (ordnance)
Tends automatic sandblasting machine that cleans grease, oil,
and grit from fragmentation-bomb cavities: Rolls bomb off conveyor into machine cabinet.
Closes door and sets automatic timer at starting position. Pushes button to release pressurized
sand stream into bomb cavity. Stops machine when timer indicates completion of sandblasting.
Opens cabinet and removes bomb.
503.685-042 SANDBLAST-OR-SHOTBLAST-EQUIPMENT TENDER (any industry) alternate titles: bead blasting machine tender; shot-blast tender
Performs any combination of following tasks to tend
equipment that cleans dirt, scale, and other materials from metal objects with blast of abrasive,
such as steel shot, sand, steel grit, or glass beads: Dumps or shovels objects into tumbler and
starts tumbler that exposes surfaces of objects to blast of abrasive and tumbling action. Stacks
objects on racks, places racks in chamber, and starts blast of abrasive. Places objects on moving
conveyor that carries objects under blast of abrasive. Adjusts controls on equipment to regulate
pressure and amount of abrasive blast. Pours or shovels abrasive material into feed hopper to
replenish supply. May tend equipment to harden or strengthen surface of metal parts and be
designated Shot-Peen Operator (any industry).
503.685-046 STRIP-TANK TENDER (ordnance) alternate titles: enthone solder stripper
Tends electrolytic stripping tank to remove excess silver
solder from brazed areas of shotgun barrels: Loads barrels in rack and immerses rack in hot
cleaning solution and rinsing baths, to remove grease and dirt. Lowers rack into electrolytic tank
filled with sodium cyanide solution, using chain hoist. Connects positive charge (anode) to rack
and turns valves to regulate temperature and level of liquid in tank. Turns controls to set timing
cycle and to regulate flow of current through solution. Returns barrels containing excess solder to
tanks for additional treatment. Dips barrels in rinsing tank and immerses them in oil bath to
impart rustproof coating. Tests strength of cleaning and stripping solutions, using hydrometer,
and adds chemicals to solution to maintain specified concentrations.
503.686-010 PICKLER HELPER, CONTINUOUS PICKLING LINE (any industry) alternate titles: continuous-dryout-operator helper
Assists PICKLER, CONTINUOUS PICKLING LINE (any
industry) 503.362-010 in cleaning coils of metal strips and wire: Sets specified spacing between
scale-breaking and straightening rolls and adjusts wipers, brushes, and feed guides, using
handtools. Places metal coil on feed-out reel manually or with hoist and feeds leading edge of
coil into rollers. Moves controls to lock trailing edge of processed coil to leading edge of coil on
feed-out reel to form continuous workpiece. Stacks processed coils on skids. Performs other
duties as described under HELPER (any industry) Master Title.
503.687-010 SANDBLASTER (any industry) alternate titles: abrasive-blasting equipment operator
Abrades surfaces of metal or hard-composition objects to
remove adhering scale, sand, paint, grease, tar, rust, and dirt, and to impart specified finish, using
abrasive-blasting equipment: Shovels or pours abrasives, such as sand, grit, or shot of specified
grade into machine hopper. Masks specified areas of object to protect from abrading action.
Loads parts on racks in enclosed rooms, into tumbling barrels, or into cabinets. Turns valves on
equipment to regulate pressure and composition of abrasive mixture flowing through nozzle or
into tumbling barrel. Starts equipment that directs blast or flow of abrasive-laden compressed air,
gas, or liquid over surface of parts. Manually directs nozzle over surface of large parts or inserts
arms through glove-fitted cabinet openings and manipulates small parts under nozzle for
specified interval. May examine finished parts to ensure conformance to specifications. May be
designated by type of equipment or abrasive used as Cabinet-Abrasive Sandblaster (any
industry); Shotblaster (any industry).
504 HEAT-TREATING OCCUPATIONS This group includes occupations concerned with subjecting metal to heat, cold, or chemicals to relieve or redistribute stresses and affect such characteristics as hardness, flexibility, and ductility.
504.131-010 HEAT-TREAT SUPERVISOR (heat treating) alternate titles: heat treater, head; supervisor, hardening; supervisor, heat treating
Supervises and coordinates activities of workers engaged in
hardening, tempering, annealing, and other heat-treating processes to condition metal workpieces
and products, applying knowledge of heat-treating processes and properties and structure of
metals. Conducts metallurgical analyses on metal samples and machine tools. Estimates,
requisitions, and inspects materials. Confers with other supervisory personnel to coordinate
activities of individual departments. Confers with workers' representatives to resolve grievances.
Trains workers. Performs other duties as described under SUPERVISOR (any industry) Master
Title.
504.281-010 HEAT-TREAT INSPECTOR (heat treating)
Inspects parts and assemblies before and after heat treating
for conformance to specifications: Examines parts for cleanliness and previous inspection
clearances. Reads control dials, such as pyrometer, at periodic intervals to ensure specified
temperatures and soaking and cooling times are maintained. Examines processed parts for
conformance to specifications, using handtools and precision measuring instruments. Stamps
approved items and writes rejection notices and rework orders on parts not meeting
specifications. May operate equipment to determine hardness of parts and thermal treatment
required to process parts, following blueprint specifications [HARDNESS INSPECTOR (heat
treating)].
504.360-010 FLAME-ANNEALING-MACHINE SETTER (heat treating)
Sets up battery of machines that anneal sidewalls of metal
cartridge and shell cases preparatory to further processing: Lights gas burners and turns valves to
regulate flow of gas and coolant water. Starts conveyors and dial feeder plates, and turns
setscrews in burner nozzles to direct flames which anneal specific area of cartridge case.
Replaces worn dial-feed, burner and conveyor parts, using handtools. Instructs new workers in
machine operation. Observes color and area of dullness of annealed cases to determine flame
temperature and coverage of cases. Crushes random samples between fingers to determine degree
of annealing attained. May test cases for hardness [HARDNESS INSPECTOR (heat treating)]
and examine cases to determine grain size of metal, using microscope.
504.380-010 FLAME-HARDENING-MACHINE SETTER (heat treating)
Sets up flame-hardening machines for
FLAME-HARDENING-MACHINE OPERATORS (heat treating) according to metallurgical
work order specifications, utilizing knowledge of heat-treating methods and metal properties:
Positions fixture for holding workpiece and fastens fixture to machine, using wrenches. Mounts
workpiece in fixture, on arbor, or between centers of machine. Estimates flame temperature and
heating time cycle based on degree of hardness required and metal to be treated. Moves controls
to light burners and adjust flame of oxyacetylene, propane, or other gas to prescribed
temperature, judging temperature by flame color. Starts automatic feeding or rotating mechanism
that moves part through hardening flame. Tests hardness of sample part [HARDNESS
INSPECTOR (heat treating)]. Adjusts automatic feeding or rotating mechanism and flame
temperature until sample parts meet specifications.
504.380-014 INDUCTION-MACHINE SETTER (heat treating)
Sets up variety of induction machines for
INDUCTION-MACHINE OPERATORS (heat treating) to heattreat metal objects according to
specifications: Reads work order to determine size and grade of workpiece to be processed.
Determines frequency of current, time cycle, and induction heating coil to be used for each job,
using knowledge of induction machines, heat-treating methods, and properties of metals.
Positions and fastens induction coil and fixture on machine, using wrenches. Adjusts controls to
set frequency of current and automatic timer judging from color whether pan is heated to
specified temperature. Positions and fastens part in fixture and starts machine to heattreat sample
part. Tests hardness of sample [HARDNESS INSPECTOR (heat treating)]. Adjusts frequency of
current, automatic timer, and fixture on machine until sample meets specifications. May operate
induction machine as part of regular duties.
504.382-010 HARDENER (clock & watch)
Controls furnace to harden, anneal, or temper watch parts:
Presses button to admit gas mixture, forcing air out of furnace and burning mixture at entrance to
prevent discoloration of parts and to maintain carbon content in parts. Places parts in metal
basket or cylinder and inserts parts into furnace according to specified temperature. Advises on
furnace temperatures and heat-treating time periods, and recommends procedures to produce
desired hardness. Quenches pieces with air or oil. May cover parts with charcoal to prevent rapid
heating causing discoloration of parts. May insert thermocouple into furnace and connect
thermocouple to recorder.
504.382-014 HEAT TREATER I (heat treating)
Controls heat-treating furnaces, baths and quenching
equipment to alter physical and chemical properties of metal objects, using specifications and
methods of controlled heating and cooling, such as hardening, tempering, annealing,
case-hardening, and normalizing: Determines temperature and time of heating cycle, and type
and temperature of baths and quenching medium to attain specified hardness, toughness, and
ductility of parts, using standard heat-treating charts, and utilizing knowledge of heat-treating
methods, equipment, and properties of metals. Adjusts furnace controls and observes pyrometer
to bring furnace to prescribed temperature. Loads parts into furnace. Removes parts after
prescribed time and quenches parts in water, oil, brine, or other bath, or allows parts to cool in
air. May test hardness of parts [HARDNESS INSPECTOR (heat treating)]. May set up and
operate die-quenching machine to prevent parts from warping. May set up and operate electronic
induction equipment to heat objects [INDUCTION-MACHINE SETTER (heat treating)]. May
align warped fuel elements, containing radioactive uranium, using hydraulic ram straightener.
504.382-018 HEAT-TREATER APPRENTICE (heat treating)
Performs duties as described under APPRENTICE (any
industry) Master Title.
504.387-010 HARDNESS INSPECTOR (heat treating)
Tests metal objects to determine their degree of hardness,
using hardness testing equipment: Positions workpiece on anvil of testing machine and turns
controls to press steel ball or diamond point against surface of piece or to allow diamond-pointed
hammer fall on surface to be tested. Measures diameter of indentation caused by steel balls,
using microscope, or reads scale on test equipment that indicates depth of penetration of ball or
diamond point, or calibrated height of hammer rebound. Reads hardness number from calibrated
scale on equipment or converts scale reading to hardness number, using formula or conversion
chart. Important variables may be indicated by trade names of equipment used. May cut cross
section of sample part and examine part under microscope to determine hardness depth.
504.485-010 RIVET HEATER (heat treating)
Tends furnace that heats rivets to specified temperature:
Places specified rivets in gas, oil, or coke furnace, or between electrodes in electric furnace.
Turns knobs to regulate heat or current of furnace. Removes rivets from furnace when color
indicates rivets are heated to specified temperature and throws rivets to RIVETER HELPER (any
industry), using tongs. May tend portable coke furnace to heat rivets in field. May be designated
according to type of furnace tended as Rivet Heater, Electric (heat treating); Rivet Heater, Gas
(heat treating).
504.665-010 SLAB-DEPILER OPERATOR (steel & rel.) alternate titles: table and slab depiler
Tends equipment that transfers steel slabs from conveyor onto
charging table of reheating furnace: Moves controls to transfer slab from conveyor onto depiler.
Measures slab for conformance to specifications, using tape, and compares identifying marks on
slab with information on charging schedule. Pushes levers to lower depiler table and cause
pushoff arm of depiler to push slab onto charging table. Assists furnace crew in cleaning bottom
of furnace and hearth and in positioning slabs in furnace.
504.665-014 CHARGER OPERATOR (steel & rel.) alternate titles: charger; pusher
Tends charging mechanism that moves steel shapes, such as
blooms, billets, and slabs, in specified sequence, through soaking-pit furnace: Signals
CHARGER-OPERATOR HELPER (steel & rel.) 504.686-010 or OVERHEAD CRANE
OPERATOR (any industry) 921.663-010 to position steel on furnace skids. Moves levers on
control panel to position skid on entry bed, open furnace door, and start pusher arm that pushes
steel into furnace. Observes inside of furnace, projected on television screen, and moves controls
to spot steel in specified locations. Moves controls to discharge steel onto mill rollers. Records
quantity of steel charged and discharged. Assists other workers in cleaning furnace bottoms and
repairing or replacing defective equipment, using handtools.
504.682-010 ANNEALER (heat treating) alternate titles: normalizer
Controls furnace to relieve internal stresses in metal objects
and to soften and refine grain structure: Reads production schedule to determine processing
sequence and furnace temperatures for objects to be processed. Turns furnace controls and
observes gauges to prepare furnace for annealing process. Charges objects directly onto furnace
bed, or packs objects into section of furnace or tubes sealed with clay to prevent oxidation.
Reduces heat and allows objects to cool in furnace, or removes objects from furnace to cool in
open air. May operate continuous furnace through which objects are passed by means of reels
and conveyors and be designated Continuous-Annealing Furnace Operator (heat treating). May
anneal wire and be designated Pot Annealer (heat treating).
504.682-014 CASE HARDENER (heat treating) alternate titles: carbonizer; carburizer
Controls furnace to harden surface of steel objects, using any
of following methods: (1) Places objects in wire basket and immerses them in heated chemical
bath, such as sodium cyanide. (2) Packs objects in metal boxes filled with carbonaceous material,
such as coke, coal, bone charcoal, or barium carbonate, and charges boxes into furnace. (3)
Charges objects into furnace and opens valves to circulate carbon-rich gas, such as methane,
around objects during heating process. Removes objects from bath or furnace and quenches
objects in oil, water, or brine, or allows objects to cool to predetermined temperature before
quenching, depending on metal properties specified. May be designated according to article
case-hardened as Die Case Hardener (heat treating); or by process used as Cyanide Furnace
Operator (heat treating).
504.682-018 HEAT TREATER II (heat treating)
Controls one or more furnaces to heat treat metal objects
according to specifications: Places parts in racks, trays, or baskets, and places objects on
conveyor or loads objects directly into furnace. Adjusts furnace temperature and observes
pyrometer to heat metal to prescribed temperature. Sets speed of conveyor for prescribed time
cycle, or records removal time of parts to ensure objects attain specified temperature for a
specified time. Removes parts after prescribed time and quenches parts in water, oil, or other
bath, or allows parts to cool in air. May test hardness of parts [HARDNESS INSPECTOR (heat
treating)]. May feed die-quenching machine to prevent parts from warping. May degrease or
remove scale from parts. May draw wire or sheet metal through furnace and attach metal to
winding mechanism that pulls metal through furnace.
504.682-022 HEAT-TREATING BLUER (heat treating) alternate titles: dulite-machine bluer
Operates gas furnace that heats metal gun parts to rustproof
and impart decorative nonreflecting blue finish: Sprays parts with steam to remove grease, grit,
and dirt. Places parts in barrel of gas furnace and covers parts with mixture of bone chips and
whale or pine tar oil. Closes furnace door and moves lever to rotate barrel. Turns gas valves and
observes pyrometer to regulate temperature of furnace. Opens door after furnace cools, and pulls
lever to tilt barrel and dump contents into sieve. Sifts parts from bone mixture and quenches parts
in oil. Blows oil and chips from blued parts, using airhose. Examines parts to ensure shade and
color conform to specifications, utilizing knowledge of heat-treating methods and metal
properties.
504.682-026 TEMPERER (heat treating)
Controls furnace to reheat previously quenched and hardened
metal objects, and quenches them in brine, water, oil, or molten lead to remove quenching strains
and brittleness and to impart toughness to metal.
504.685-010 BASE-DRAW OPERATOR (ordnance)
Tends electric furnace that anneals base sections of hardened
projectile bodies to facilitate subsequent machining operations: Lifts projectile from conveyor
with tongs and fits projectile in holder on machine table. Pushes switch to activate mechanism
that elevates table and thrusts projectile base into furnace unit. Observes dial indicator and
presses button to maintain flow of current according to specifications. Removes projectile when
table descends automatically. Quenches projectile base in water.
504.685-014 FLAME-HARDENING-MACHINE OPERATOR (heat treating) alternate titles: gas-anneal feeder
Tends flame-hardening machine, according to set procedures,
to case-harden metal objects: Positions and fastens part in fixture, on arbor, or between centers of
machine. Presses buttons on control panel to light burners that direct flame against part and start
automatic feeding or spinning mechanism. Observes machine operation and removes finished
part. May anneal metal cartridge or shell cases and be designated Flame-Annealing-Machine
Operator (heat treating).
504.685-018 HEAT-TREATER HELPER (heat treating) alternate titles: bluing-oven tender; draw-furnace tender; furnace feeder; furnace loader; heat-treat puller; tempering-kiln tender
Assists HEAT TREATER (heat treating) I or HEAT
TREATER (heat treating) II in annealing, hardening, or tempering metal objects by performing
any combination of the following duties: Cleans foreign matter, such as scale, rust, or grease,
from metal objects, using solvents, wire brushes, scrapers, or hammer and chisel. Hangs parts on
racks, hooks, or fixture, or places them on handtrucks or conveyors, and charges them into
furnace manually or using hoist. Adjusts controls to maintain specified temperature in furnace.
Immerses objects in chemical bath or places objects in containers and packs carbonaceous
material around them. Quenches heated objects in liquid, such as oil or water. Marks
identification on parts. Performs other duties as described under HELPER (any industry) Master
Title.
504.685-022 INDUCTION-MACHINE OPERATOR (heat treating) alternate titles: electronic induction hardener
Tends electronic induction machine, according to set
procedures, to harden, braze, or anneal metal objects: Positions and fastens part in fixture of
machine. Presses button on control panel to start electric current flowing through induction coil
for prescribed time. May load automatic machine by dumping parts into hopper. May test parts
for hardness, using preset hardness testing equipment, and stamp heat treatment identification
mark on casting, using hammer and punch.
504.685-026 PRODUCTION HARDENER (heat treating) alternate titles: carbonizer; case hardener
Tends battery of molten carbonizing salt bath or
ammonia-methane furnaces that case harden steel objects, such as buckles, screws, wrenches, and
bicycle crank cups: Loads objects by hand into wire basket attached to steel-rod handle.
Immerses basket into chemical bath inside furnace pot or into ammonia-methane furnace. Scoops
salt into furnace pots to maintain bath level or opens valves to inject gases into furnace, and sets
timer. Removes basket from furnace at end of heating cycle and dumps objects into mesh
container submerged in tank of quenching oil. May lift container from quenching tank and dip
container in rinse water. Dumps objects into box or tray. May signal forklift operator to deposit
or extract containers of objects into and from furnaces and quenching and rinse tanks.
504.685-030 REEL-BLADE-BENDER FURNACE TENDER (agric. equip.)
Tends gas oven that heats lawnmower blades preparatory to
bending: Places cold blade on furnace apron and presses pedal to raise furnace door. Positions
blade in slotted rack on furnace bed, using tongs. Removes blade from furnace after specified
time. Lubricates bending machine, using grease gun.
504.686-010 CHARGER-OPERATOR HELPER (steel & rel.)
Assists CHARGER OPERATOR (steel & rel.) in moving
steel blooms, billets, and slabs through soaking-pit furnace: Straightens steel on furnace skids
and roller conveyor, using bar. Places separators between steel shapes and marks identifying
information on shapes. May cut, transport and store trial bars in bins. Performs other duties as
described under HELPER (any industry) Master Title.
504.686-014 FURNACE HELPER (heat treating)
Performs any combination of following tasks near heat-treat
furnace: Transfers metal slabs, plates, sheets, and fabricated forms from tables and conveyors to
furnace cars and trays, using hoist, handtruck, tractor or by hand. Loads and unloads material
from heat-treating, and process-chamber furnaces. Feeds metal into straightening rolls. Breaks
lumps of sludge from furnace pots, using airhammer, and shovels sludge into crushing machine.
Cuts, identifies, and marks samples, using shear and crayon. Verifies dimensions with tape and
micrometer. Separates scrap for remelt according to marking. May feed metal rods from coils
into furnace, using hoist, and wind rods into coils as rods emerge from furnace, using winding
mechanism.
504.686-018 HARDENER HELPER (clock & watch)
Assists HARDENER (clock & watch) in hardening and
tempering watch parts, maintaining flow of work into and out of department, and cleaning and
packaging finished work. Performs other duties as described under HELPER (any industry)
Master Title.
504.686-022 HEAT TREATER (electron. comp.)
Feeds and off bears furnace that heats semiconductor wafers
to relieve stress caused by sawing and to stabilize resistivity: Transfers wafers from storage
container to quartz $T3boat.$T1 Places boat on conveyor belt that automatically moves wafers
through furnace. Removes boat from conveyor belt at furnace exit. Transfers wafers from boat to
storage container after cooling. Records production information on work order.
504.687-010 ANNEALER (jewelry-silver.) alternate titles: heat treater
Heat treats jewelry fittings to soften fittings for further
processing, using electric or gas furnace: Sets automatic controls to specified temperature. Fills
steel tray with fittings and places fittings in oven, using tongs. Removes tray after specified time
and immerses fittings in water. May clean oxide and scale from fittings by immersing fittings in
chemical and water baths. May heat treat ingots, using Bunsen burner or torch, and immerse
ingots in alcohol to restore ingot malleability. May open and close gas valves, ignite and
extinguish gas flames, and set time clock alarm for heating and cooling periods.
505 METAL SPRAYING, COATING, AND RELATED OCCUPATIONS This group includes occupations concerned with covering the surfaces of objects with metal or an accretion of metal and adjuncts in molten or semimolten form usually by brushing, spraying, immersing, or coating processes.
505.130-010 SUPERVISOR, METALIZING (any industry)
Supervises and coordinates activities of workers engaged in
spraying protective metal coatings on metal to prevent corrosion and to build up surfaces of worn
or damaged metal parts: Analyzes work orders, workpieces, and blueprints to determine process,
materials, and sequence of operations required to coat metal. Sets up machine tools and metal
spray guns to perform special or experimental operations. Trains workers in operation of
equipment. Examines finished pieces for conformity to specifications. Directs workers in
processes, such as degreasing, sandblasting, welding and brazing, metal spraying, and
machining. Inspects malfunctioning of machines and equipment to determine need for repair.
Performs other duties as described under SUPERVISOR (any industry) Master Title.
505.130-014 SUPERVISOR, VACUUM METALIZING (any industry)
Supervises and coordinates activities of workers engaged in
vacuum metalizing of glass, plastic, or metal objects, applying knowledge of vacuum metalizing
processes, equipment, and procedures: Computes time and pressure specifications for
VACUUM-METALIZER OPERATORS (any industry). Observes operations to detect
malfunction. Sets up and operates equipment to perform experimental work. Trains workers in
operation of equipment. May insert filaments into holders on rack, fill oil tanks of pumps, and
examine gauges for malfunction to prepare vacuum metalizing equipment for operation. May
position spray nozzles and turn knobs to synchronize conveyor speed, electric-eye action, and
temperature and blower action of drying oven to set up automatic spray-painting equipment. May
repair and maintain tools and machinery. Performs other duties as described under
SUPERVISOR (any industry) Master Title.
505.380-010 METAL SPRAYER, MACHINED PARTS (any industry) alternate titles: flame-spray operator; metalizer, machined parts; metal-spray operator
Sets up and operates flame-spray equipment and machine
tools to build up worn parts, such as crankshafts, motor shafts, clutch plates, and piston rods, and
to salvage defective machined parts, according to specifications: Washes object with solvents, or
heats object with torch or in furnace to remove impurities, such as grease or paint. Operates
machines, such as engine lathes and external grinders, to undercut or groove surface of object.
Cleans and roughens surface of object in sand or shotblast cabinet [CABINET-ABRASIVE
SANDBLASTER (any industry) 503.687-010] or by electrobonding process. Preheats object for
spraying, using oxyacetylene torch or metalizing gun. Sprays metal or other material on object by
either of following methods: (1) Positions and clamps metalizing gun to engine lathe carriage.
Selects nozzle to accommodate size of wire to be sprayed and screws nozzle into place on
metalizing gun. Inserts wire to be sprayed into rear of gun and through feed rollers and nozzle.
Connects hoses from gun to air compressor and tanks of oxygen and fuel gas, such as acetylene.
Turns knobs to synchronize speed of wire feed, air pressure, flow of oxygen and fuel indicated
on dials to specifications computed from data charts. Installs gears in lathe and turns knobs to
synchronize rotating speed of chuck and movement of carriage with rate of spray to achieve
specified coating on workpiece. Ignites gases to melt wire and presses button or trigger to release
compressed air which atomizes and sprays molten metal onto workpiece. (2) Pours specified
powder of metal or other material, such as ceramics, into hopper mounted on metalizing gun.
Selects nozzle according to type of powder to be used and screws nozzle into place on gun. Turns
dials and valves to synchronize feeding rate of powder and flow of oxygen and fuel gas,
according to type of powder used. Ignites gases and presses button or trigger to start flow of
powder which is atomized and sprayed onto workpiece. Heats object with torch or in
heat-treating furnace to fuse coatings, and cools object slowly to prevent cracking. Measures
object, using measuring instruments, such as micrometers, gauges, and calipers, to determine
conformance to specifications. Operates portable metalizing gun to fill cracks, holes, and apply
coating to restore flat or irregular surfaces of machined, forged, or cast objects to original
dimensions. May operate machines, such as engine lathes, turret lathes, or precision grinders, to
machine-coat objects to original specifications. May spray protective coatings of
corrosion-resistant metal onto metal objects. May tend portable air compressors, sandblasting
guns, and set up metalizing gun on lathes in customers' plants to repair damaged, worn, or
improperly machined parts. May be designated according to type of metalizing equipment used
as Thermospray Operator (any industry).
505.382-010 METAL-SPRAYING-MACHINE OPERATOR, AUTOMATIC I (any industry) alternate titles: flame-spraying-machine operator, automatic; metalizing-machine operator, automatic
Sets up and operates metal spraying machine to bond
protective or decorative coatings to metal objects: Positions workpieces into holding fixtures of
conveyor. Attaches nozzle onto spray gun and positions gun at specified distance from
workpiece. Connects hoses from gun to air compressor and fuel tanks. Threads end from roll of
specified wire through gun. Turns knobs and levers to synchronize speed of wire feed, air
pressure, and specified flow of oxygen and fuel. Turns knobs and installs gears to set conveyor
speed and holding device. Ignites gun to melt emerging wire at nozzle and presses button or turns
handle to release compressed air which atomizes and sprays molten metal onto surface of
workpiece. Inspects workpieces for coating defects and removes finished pieces from conveyor.
May install gears to accommodate larger workpieces. May operate sandblasting equipment to
roughen and clean surface of workpieces [SANDBLASTER (any industry)]. May preheat
workpieces in oven. May be designated according to type of equipment used as
Metal-Spraying-Machine Operator, Crucible Gun (any industry).
505.382-014 WELDING-ROD COATER (elec. equip.)
Controls variety of machines to mix, dip, grind, and bake flux
onto electric welding rods: Operates bandsaw to cut welding rod stock to specified length. Pours
flux ingredients into mixing machine and starts machine. Measures specific gravity of flux
mixture, using hydrometer. Pours flux into hydraulic dipping machine. Places rods in dip holding
rack and turns end bolt to secure rods, using wrench. Slides rack into dipping machine and
adjusts temperature and humidity gauges, according to work order specifications. Removes and
places dipped rods on drying rack to dry. Operates grinding machine to remove excess flux from
coated rod tips. Bakes coated rods in drying oven for specified period of time. Operates marking
machine to print identification code on rods as specified. Cleans equipment, using water hose and
scraper.
505.482-010 PASTING-MACHINE OPERATOR (elec. equip.) alternate titles: grid-pasting-machine operator
Operates pasting machine and dryer to apply specified
amount of lead-oxide paste onto grids used in making storage battery plates: Stacks grids or
multiple-grid panels on bench or in automatic feeding device. Adjusts shoes (guides) on pasting
machine to size of grid, using handtools. Adjusts scraper blade (wiper) and roller, according to
thickness specified for plate, using wrenches. Hoists carts of paste into position near machine and
shovels paste into hopper. Starts machine that automatically feeds grids or manually places grids
between shoes. Weighs wet plates on scale and changes elevation of scraper to produce plate of
specified weight. Installs device (pyramid) in machine that prevents pasting of center strip of
panels and determines width of plates. Sets temperature of dryer. Cleans machine. Changes
conveyor belts or cheesecloth cover on roller, using handtools. May tend machine that breaks
finished double-grid plates into single units. May segregate defective plates, stack acceptable
plates in box, and set aside for curing period. May clean edges and lugs of plates, using wire
brush. May mix lead-oxide powders, water, and acids into paste.
505.682-010 SPRAYER OPERATOR (smelt. & refin.)
Controls metal spraying machine and melting furnace to coat
carbon anodes with molten aluminum for use in reducing pots: Sets furnace temperature control
dial at desired level and checks level of molten aluminum in furnace. Adjusts flow of compressed
air through spray nozzle and hydraulic tilt of furnace and turntable. Presses button on control
panel to move monorail trolley holding anode assembly onto turntable of spray machine. Starts
hydraulic system that lowers turntable and anode to bottom of spray pit. Starts flow of
compressed air through nozzle that sprays specified amount of molten metal onto rotating anode.
Repositions furnace in original position, stops equipment, and hoists anode assembly onto
monorail conveyor for movement to loading station. Cleans aluminum overspray from sides and
bottom of pit and places residue in container for reuse. Skims slag from molten aluminum in
furnace to remove impurities.
505.684-010 ELECTROLESS PLATER (any industry)
Coats small steel valve parts, crystal slices used in making
semiconductors, or related materials with nickel plate, using nonelectric dipping process: Fills
dip tank with nickel salt solution and sets controls to maintain specified temperature. Fills basket
with parts to be plated or mounts slides bearing crystal slices on holding fixture, and lowers
materials into plating tank. Determines time parts remain in bath, using knowledge of process
and thickness of plating desired. Removes parts when process is completed. Gauges parts
frequently with micrometers to see that specified tolerances are maintained. Adds plating
solution or refills tanks, as necessary, to complete plating process. May immerse materials in
leaching or cleaning solution preparatory to plating.
505.684-014 METAL SPRAYER, PRODUCTION (any industry)
Sprays variety of objects, such as valves, clutch plates, and
cylinder linings, on production basis, to coat them with specified thickness of metal: Cleans and
roughens surface of object in sand or shotblast cabinet [CABINET-ABRASIVE
SANDBLASTER (any industry)]. Fastens objects in fixture or between bench centers. Preheats
object for spraying, using oxyacetylene torch or metalizing gun. Moves controls to set specified
rate of wire feed and flow of oxygen and fuel gases through metalizing gun. Ignites gases to melt
wire and presses button or trigger to release compressed air which atomizes and sprays molten
metal onto workpiece. Manually directs spray over object to apply coating of specified thickness.
May spray metal objects with soft solder preparatory to assembly and be designated Solder
Sprayer (any industry).
505.685-010 BROWNING PROCESSOR (ordnance)
Tends equipment that imparts decorative bluing or
brown-black color, and hard, corrosion resistant surface to gun barrels: Mixes solution of acids
and metallic salts, according to formula. Places barrels on conveyor that passes through coloring
tanks, electrical drying, and preheating oven into steam chamber where controlled temperature
and humidity promote oxidation. Rinses barrels in boiling water and holds them against wire or
fiber brush wheel to remove loose rust particles and produce satin finish. Repeats rusting and
brushing cycle until color of barrel conforms to specified standards. Swabs browned barrels with
rust-preventing oil, using rag or sponge.
505.685-014 METAL-SPRAYING-MACHINE OPERATOR, AUTOMATIC II (any industry) alternate titles: sprayer
Tends automatic or semiautomatic metal spraying machine
that bonds protective or decorative coatings to metal objects, such as clutch plates and valves, on
production basis: Loads objects on conveyor or places them in fixture. Sets controls on panel to
regulate such functions as conveyor speed, rate of wire or powder feed, flow of compressed air
and fuel gas, and starting and stopping of spray. Starts machine and observes operation to detect
malfunctioning of equipment.
505.685-018 VACUUM-METALIZER OPERATOR (any industry) alternate titles: vapor coater
Tends vacuum metalizing equipment that deposits decorative
or protective coating of specified metal on metal, glass, or plastic objects: Hooks or clamps
articles onto rack. Positions pieces of coating metal over heating filament on rack. Positions rack
in vacuum chamber, manually or using hoist. May plug in electrical connection or filaments.
Connects gear to motorized jig that rotates rack inside chamber. Closes door and turns handles to
seal chamber. Turns handwheel and starts pump to remove air from chamber. Starts booster and
high vacuum pumps, and observes dials to obtain specified state of vacuum in chamber. Pushes
button to heat filament which vaporizes coating metal and deposits it as film on objects on rack.
Turns off electric current after specified time and turns handwheel to permit air to enter chamber.
Opens door, removes rack, and lifts coated objects onto truck or dolly.
509 OCCUPATIONS IN PROCESSING OF METAL, N.E.C. This group includes occupations, not elsewhere classified, concerned with molding, casting, coating, conditioning, or otherwise processing metal.
509.130-010 SUPERVISOR, POWDERED METAL (nonfer. metal; steel & rel.)
Supervises and coordinates activities of workers engaged in
mixing and pressing metal powders, and in sintering, coining, impregnating, and inspecting
powdered metal products, applying knowledge of powdered metal properties, press and furnace
operation, and sintering and impregnating processes. Trains workers in setup of machines and
equipment. May set up briquetting and coining presses and sintering furnaces. Performs duties as
described under SUPERVISOR (any industry) Master Title.
509.130-014 SUPERVISOR, POWER-REACTOR (chemical)
Supervises and coordinates activities of workers engaged in
controlling nuclear reactors to produce plutonium and steam: Observes panel control board
indicators to ensure operation of reactors conforms to government and company safety
regulations. Analyzes instrumentation data to determine equipment adjustments. Trains new
workers. Performs other duties as described under SUPERVISOR (any industry) Master Title.
509.132-010 SUPERVISOR, SOAKING PITS (steel & rel.)
Supervises and coordinates activities of workers engaged in
heating and soaking steel ingots preparatory to rolling in blooming and slabbing mills: Prepares
schedule for charging and drawing steel into and from preheating and soaking pits. Directs
workers in charging ingots into pits and in heating and drawing operations. Inspects furnaces and
equipment to determine necessary maintenance. Trains workers in mill operations. Performs
other duties as described under SUPERVISOR (any industry) Master Title.
509.362-010 MIXER OPERATOR, HOT METAL (steel & rel.)
Operates machine to mix various charges of molten metal and
maintain metal at specified temperature for use in converters and furnaces: Moves controls to
raise lid of mixer and signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to
pour metal from transfer ladle into mixer. Turns controls to adjust fuel and air mixture to mixer
burners to maintain specified temperature in mixer, and to rotate arm that mixes molten metal.
Signals OVERHEAD CRANE OPERATOR (any industry) to position ladle for receiving molten
metal from mixer for delivery to converters or furnaces. Moves controls to tilt mixer and fill
ladle. Inserts long-handled spoon in ladle to obtain sample of molten metal and pours sample into
mold for laboratory analysis. Repairs mixer lining, using refractory materials and handtools.
509.382-010 COATER OPERATOR (any industry)
Operates roll-coating machine and auxiliary equipment to
coat coils of sheet metal, flat metal blanks, or fabricated metal parts with paint, vinyl plastic, or
adhesive film: Positions coiled metal strip on mandrel of feed reel or places metal blanks onto
feed carriage of machine. Feeds coils of sheet metal into take-up rolls of stitching machine. Starts
stitching machine that staples strips together to form endless metal strip. Turns control dials of
machines to regulate speed of metal strip, temperature of drying ovens, and flow of chemicals
that maintain specified viscosity of solutions in cleaning tanks. Mixes paint or coating solution to
specified viscosity and starts equipment to pump mixture into machine reservoir. Turns setscrews
to adjust distance between coating rollers that control thickness of coating. Measures thickness of
coating to test viscosity, using wet film gauge. Starts pump that fills printing machine reservoir.
Adjusts printing cylinder that prints designs on painted metal strip and hydraulic pressure valve
of laminating machine that applies plastic vinyl or adhesives to heated metal strip. Turns valve to
control spray of water in quenching process that tempers paint, adhesives, or plastic vinyl.
Presses pedal of shear machine to cut metal strips. Pushes reel lever to rewind coated metal strip
into coil. Examines coated metal workpieces for defects, such as air bubbles or uncoated
surfaces.
509.382-014 DENTAL-AMALGAM PROCESSOR (nonfer. metal) alternate titles: special-machine operator Operates machines to process dental-amalgam and tests amalgam with interferometer: Anneals ingot of tin, copper, and silver to obtain specified molecular characteristi |
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