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U.S. Department of Labor
Industry: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who sorts and weighs nonferrous scrap metal and ingots for furnace charges. Respnsibilities include: * Separates grades and types of alloys by color or shape of casting and shovels metal into handtrucks. * Selects scrap and ingots for furnace charge, according to specifications. * Takes sample of furnace melts for laboratory analysis, observes metal in diecasting holding pots and finished castings, or reads label to verify use of specified alloys. * May unload box cars of alloy materials. * May operate lift truck to transport materials. * May charge furnaces with alloy materials.
Industry:Professional careers
A professional who sorts and weighs nonferrous scrap metal and ingots for furnace charges. Respnsibilities include: * Separates grades and types of alloys by color or shape of casting and shovels metal into handtrucks. * Selects scrap and ingots for furnace charge, according to specifications. * Takes sample of furnace melts for laboratory analysis, observes metal in diecasting holding pots and finished castings, or reads label to verify use of specified alloys. * May unload box cars of alloy materials. * May operate lift truck to transport materials. * May charge furnaces with alloy materials.
Industry:Professional careers
A professional who performs any combination of following tasks to assist workers engaged in production of iron and steel. Respnsibilities include: * Feeds and off bears equipment, such as conveyors, pilers, and loaders, to charge furnaces, transport hot metal to rollers, and store finished products. * Bundles and ties metal rods, sheets, and wire, using banding machine and handtools. * Attaches crane hooks, slings, or cradles to material for moving by overhead crane operator. * Transports material to and from production stations, using handtruck. * Feeds material, such as ganister, magnesite, and limestone into crushers to prepare additives for molten metal. * Grinds defects, such as burrs, seams, and scratches from rolled steel, using portable grinder. * Sweeps scale from work area and empties dust bins, using wheelbarrow, broom, and shovel. * Breaks up manganese and scrap metal to facilitate handling, using sledge and pneumatic hammer. * Marks identification numbers on steel billets, using chalk. * Verifies dimension of products, using fixed gauge. * Wipes grease and oil from machinery with rags and solvent. * May be designated Conveyor Feeder; Crusher Feeder; Loading Checker; Marker; Racker; Scrap Breaker.
Industry:Professional careers
A professional who tends machine and ovens to mix and dry ingredients used to fabricate carbide cutting-tool inserts, following work orders and charts. Respnsibilities include: * Reads work order to determine amount and grade of carbide specified. * Computes amounts of ingredients required, using charts. * Scoops ingredients from canisters, and weighs ingredients on scale to obtain specified amounts. * Pours ingredients into cylindrical-tumbler mixing machine, starts tumbler, and stops it after specified time. * Pours mixed ingredients into pans, and places them in decarbonizing oven to dry and burn off impurities. * Removes pans from oven, adds other ingredients, and sifts mixture through screen to obtain powder of even consistency. * Cleans equipment after each batch.
Industry:Professional careers
A professional who tends ball mill and auxiliary equipment that grind bauxite and mix it with materials to form slurry. Respnsibilities include: * Computes amounts of bauxite, starch, and liquor in specified proportion, using weightometer. * Turns valves on ball mill to grind bauxite. * Turns valves on pumps to release liquor and starch from storage bins and to mix them with bauxite to form slurry. * Starts pumps to transfer slurry to digester feed tanks. * Opens and closes valves to pump sodium sulfide solution into slurry. * Lubricates valves with grease gun, and adjusts packing glands to prevent leaks.
Industry:Professional careers
A professional who tends machines that mix flue dust and milk of lime to facilitate reprocessing in copper smelter. Respnsibilities include: * Starts screw conveyor and opens valves and hopper gate to start flow of lime solution and flue dust into mixer. * Starts mixer, observes mixture for consistency, and adjusts flow rate to attain specified consistency. * Stops flow of ingredients into mixing tank, and draws sample for laboratory analysis. * Starts pump to transfer mix to filtering process. * Cleans mixer after each batch. * Records number of mixes, test results, and amount mixed on production forms.
Industry:Professional careers
A professional who tends machine that mixes sintered lead or zinc ore with materials, such as pulverized coal and coke, salt, water, skimmings, and chemical solutions preparatory to smelting. Respnsibilities include: * Starts rotary-drum or paddle-type mixing machine. * Squeezes handful of mixture into lump and crumbles it to determine consistency and moisture content of mixture. * Turns valves to add water or chemical solution to mixture. * May scoop samples of mixed ore into bucket for laboratory analysis. * May be designated according to type of mixer tended as Mixing-Pan Tender.
Industry:Professional careers
A professional who tends mixing machines that blend batches of powdered metal, according to specifications. Respnsibilities include: * Weighs out specified amounts of materials, using scales. * Dumps powders into mixing machine, such as tumbling-barrel or paddle-type mixer, and starts motor. * Stops motor after specified time, and dumps mixture into containers.
Industry:Professional careers
A professional who tends mixing machines that blend batches of powdered metal, according to specifications. Respnsibilities include: * Weighs out specified amounts of materials, using scales. * Dumps powders into mixing machine, such as tumbling-barrel or paddle-type mixer, and starts motor. * Stops motor after specified time, and dumps mixture into containers.
Industry:Professional careers
A professional who tends pug mill that mixes preheated magnesia and carbon with hot asphalt to form viscous mixture for use in making pellets. Respnsibilities include: * Moves lever to open slide gate at outlet of heating chamber to permit heated mixture of magnesia and carbon to flow into pug mill. * Opens and regulates valves to control flow of hot asphalt into mill. * Opens valves to feed mixture into hoppers of briquetting machine.
Industry:Professional careers
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