- 업종: 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
