- 업종: 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
