- 업종: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who assists blast-furnace keeper in tapping blast furnace. Respnsibilities include:
* 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 master title.
Industry:Professional careers
A professional who pours molten lead into center of grinding wheels to form bushing. Respnsibilities include:
* 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.
Industry:Professional careers
A professional who performs any combination of following duties pertaining to casting of lead storage battery parts. Respnsibilities include:
* 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; Grid Inspector; or task performed as Lead-Supply Worker.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in sandblasting surfaces of ships in drydock and shop equipment. Respnsibilities include:
* 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 master title.
Industry:Professional careers
A professional who 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. Respnsibilities include:
* 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.
Industry:Professional careers
A professional who operates equipment to clean dirt, scale, and core materials from steel castings with blasts of steel shot. Respnsibilities include:
* 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.
Industry:Professional careers
A professional who cleans and prepares subassemblies of pistols, rifles, shotguns, and revolvers for bluing. Respnsibilities include:
* 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.
Industry:Professional careers
A professional who tends equipment that cleans, coats, and dries baking pans. Respnsibilities include:
* 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.
Industry:Professional careers
A professional who tends tanks to clean lead bullets and coat bullets with wax. Respnsibilities include:
* 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.
Industry:Professional careers
A professional who tends drifting machine that removes scale from inner surfaces of pipe. Respnsibilities include:
* 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.
Industry:Professional careers
