- Settore: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends kiln or furnace that makes pigments from specified chemical ingredients or develops specified colors in pigments or metallic powders for use in making paints, enamels, and varnishes. Respnsibilities include:
* Weighs or measures specified chemical ingredients and dumps them into furnace hopper, conveyor, blending, pulverizing and sifting machine hoppers, or into clay saggers.
* Opens chute on hopper or conveyor, or shovels prepared charge into furnace.
* Positions specified temperature cam into automatic heat control unit, or turns dials to specified setting to regulate temperature, temperature changes, and heating and cooling cycles.
* Observes control panel of furnace to verify standard functioning of preset furnace.
* Opens discharge chute, or shovels pigment or powder from furnace.
* May clean and adjust burners on gas-fired furnaces.
* May verify color of pigments or powders to standard samples or color chart.
Industry:Professional careers
A professional who tends furnace and auxiliary equipment that heat carbon black to reduce sulfur content by starting feed and discharge conveyors, opening fuel and water valves, and lighting burners with rabble (torch on end of iron rod).
* May tend furnace that dries carbon into granules preparatory to bagging and be designated Granular Operator.
Industry:Professional careers
A professional who tends rotary furnace that roasts sulfur or other materials to liberate gases for use in processing chemical products. Respnsibilities include:
* Weighs materials to be roasted and scoops or dumps specified quantity into furnace hopper.
* Starts revolution of furnace, consisting of hollow cylinder mounted between power-driven rollers.
* Observes thermometer and turns fuel or steam valves to maintain specified temperature in furnace and efficient roasting of materials.
* Shuts down furnace after roasting is completed and assists other workers in cleaning and preparing furnace for subsequent operation.
* May adjust and repair furnace, using handtools.
* When roasting sulfur for use in production of sulfuric acid, is designated Sulfur Burner.
Industry:Professional careers
A professional who tends equipment and machinery that converts viscous soap into flakes and removes excess moisture from flakes. Respnsibilities include:
* Turns valves to admit refrigerated water into rollers to chill them to specified temperature to harden soap.
* Opens valve to allow viscous soap to flow from crutcher machine into chamber equipped with chilling rollers.
* Starts rollers to press soap into sheets.
* Adjusts flaking knives that cut sheets of soap into flakes.
* Turns valve to regulate flow of flakes into drier.
* Turns valves to admit steam to drying cylinders and oven jackets to heat drier to specified temperature.
* Removes sample of dried flakes and tests for moisture content, using moisture testing apparatus.
* Adjusts temperatures accordingly.
* Opens valve to discharge dried flakes onto conveyor belt leading to storage bins.
* May sharpen flaking knives, using hand file.
* May tend equipment to convert liquid insecticide into flakes and be designated Flaker Operator.
Industry:Professional careers
A professional who tends retreading mold that vulcanizes camelback (raw rubber tread) onto tire casing and molds tread design. Respnsibilities include:
* Places air bag of specified size inside tire, using tire-spreading device, and clamps tire into mold.
* Inflates air bag to specified pressure and heats mold to specified temperature to cook and mold tread.
* Removes tire after predetermined time and trims loose ends from molded tread, using knife.
Industry:Professional careers
A professional who tends vacuum driers that heat chemical solids to remove water or other liquids. Respnsibilities include:
* Observes temperature indicators and vacuum gauges and turns steam valves and sets dials to regulate temperature and vacuum pressure in drier as specified.
* Observes drying material in glass viewer of equipment for conformance with specifications.
* Collects samples of material for laboratory moisture test.
* Records gauge readings, type of material dried, weight, and drying time.
Industry:Professional careers
A professional who tends vacuum driers that heat chemical solids to remove water or other liquids. Respnsibilities include:
* Observes temperature indicators and vacuum gauges and turns steam valves and sets dials to regulate temperature and vacuum pressure in drier as specified.
* Observes drying material in glass viewer of equipment for conformance with specifications.
* Collects samples of material for laboratory moisture test.
* Records gauge readings, type of material dried, weight, and drying time.
Industry:Professional careers
A professional who tends melting pots in which wax is melted for use in lost wax casting process. Respnsibilities include:
* Breaks slabs of wax and deposits them in melting pots.
* Adjusts thermostat to maintain specified temperature of liquid wax.
* Dips wax from melting pot, using hand ladle, and pours it into receiving pot.
* May fill cylinders of wax-injection machines with liquid wax and place cylinders in aging oven for specified period of time.
Industry:Professional careers
A professional who tends melting pots in which wax is melted for use in lost wax casting process. Respnsibilities include:
* Breaks slabs of wax and deposits them in melting pots.
* Adjusts thermostat to maintain specified temperature of liquid wax.
* Dips wax from melting pot, using hand ladle, and pours it into receiving pot.
* May fill cylinders of wax-injection machines with liquid wax and place cylinders in aging oven for specified period of time.
Industry:Professional careers
A professional who tends furnace and auxiliary equipment that heat cadmium to produce cadmium oxide. Respnsibilities include:
* Turns handwheel to tilt and lower mouth of crucible for initial loading, and dumps cadmium balls into crucible until scale indicator reaches specified weight.
* Returns crucible to upright position and turns control to activate automatic pilot that fires furnace.
* Positions empty drum under oxide collector discharge outlet, clamps discharge cover over drum, and turns switch that starts flow of cadmium oxide from collector into drum.
* Periodically scrapes molten accumulation from mouth of crucible, using metal rod.
* Dumps additional cadmium balls into crucible when indicator falls below prescribed weight, using pipe carrier.
* Turns switch to stop flow of cadmium oxide when drum is filled.
* Removes drum from under discharge cover, and closes drum with lid and sealing collar.
* Weighs drum, records weight on shipping tag, and attaches tag to sealing collar.
* Periodically scrapes and chips accumulations of cadmium oxide from floor and from crucibles not in use.
* Sifts scrapings, weighs, and stores solids.
* Maintains production logs.
Industry:Professional careers
