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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 performs any combination of following tasks involved in finishing and inspecting metal phonograph matrices after electroplating processes. Respnsibilities include: * Strips (separates) master, mother, 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.
Industry:Professional careers
A professional who forms (treats) storage battery plates for dry charge or wet charge batteries. Respnsibilities include: * Positions plates on conductor base of forming tank and burns lead strips to lugs of plates. * 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.
Industry:Professional careers
A professional who sprays surfaces of prerecorded lacquer disks with silver solution to make disks conductive, using spray gun. Respnsibilities include: * 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.
Industry:Professional careers
A professional who 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. Respnsibilities include: * 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; Nickel Plater.
Industry:Professional careers
A professional who electroplates semiconductor wafers and electronic components, such as copper leads and rectifiers, with metals, such as gold, silver, and lead. Respnsibilities include: * 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 die on wafer, using test probe equipment. * May measure anode width on wafer surface, using microscope measuring equipment.
Industry:Professional careers
A professional who tends equipment that electrolytically etches markings, such as insignias, trademarks, and part numbers on metal articles. Respnsibilities include: * 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.
Industry:Professional careers
A professional who tends equipment that electrolytically etches markings, such as insignias, trademarks, and part numbers on metal articles. Respnsibilities include: * 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.
Industry:Professional careers
A professional who tends automatic equipment that conveys objects through series of cleaning, rinsing, and electrolytic plating solutions to plate objects with metallic coating. Respnsibilities include: * 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.
Industry:Professional careers
A professional who performs any combination of following tasks to load and unload electroplating equipment or to assist plater. Respnsibilities include: * 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. * 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).
Industry:Professional careers
A professional who 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.
Industry:Professional careers
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