- المجال: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who supervises and coordinates activities of workers engaged in operating hot-dip-tinning machines to tinplate black-pickled steel sheets, and in classifying and assorting tinplate.
* Trains workers in set up of machines.
* Performs duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in applying corrosion-resistant coatings of zinc, tin, or other metal to variety of metal objects.
* Monitors gauges to verify operational specifications, such as solution temperature and immersion time.
* Examines products for even and complete coating.
* Trains new workers in job duties.
* Performs duties as described under supervisor master title.
Industry:Professional careers
A professional who sets up and controls automatic hot-dip lines to plate steel sheets with protective coating of metal, such as tin or terne. Respnsibilities include:
* Reads production schedule to determine setup of lines.
* Turns screwdown mechanism to set distance between coating brushes and rolls, using handtools.
* Measures and sets stops and guides on automatic feeder and conveying equipment according to dimensions of product to be coated, using rule and wrenches.
* Turns controls to set temperatures of coating metal and palm-oil pots.
* Starts conveyor line and moves controls to synchronize speed of line with speed of coating machine that conveys sheets into molten tin covered with palm oil to cause even distribution of tin.
* Inspects coated product for defects and changes setup to coat sheets to specifications.
* May be designated according to type of coating as Tinner, Automatic (galvanizing).
Industry:Professional careers
A professional who tends one or more machines, equipped with series of tanks, that coat wire with corrosion-resistant material, such as tin, zinc, or lead. Respnsibilities include:
* Lifts and mounts coils of wire on feed reels.
* Threads end of wire through series of guides, rollers, wipers, and tanks and secures it to rewind reel.
* Moves levers to heat coating material to molten consistency and set specified temperature of fluxing, cooling, and cleaning baths.
* Moves controls to start machine, set tension on wire, and adjust speed that wire feeds through tanks.
* Observes levels of materials in tanks and replenishes material when levels drop below specified point.
* Measures finished wire to ensure uniformity of coverage, using micrometer.
* Adjusts machine settings to regulate thickness of coating, according to specifications.
* Welds coils of wire together, using butt-welder, to maintain continuous wire coating operation.
* May be designated according to type of coating material applied as Lead Coater (galvanizing); Wire Tinner (galvanizing).
Industry:Professional careers
A professional who tends equipment to coat iron and steel products with corrosion-resistant molten nonferrous metal. Respnsibilities include:
* Suspends metal objects, such as pails, shelving, nuts and bolts, and structural steel from conveyor hooks or places them in wire baskets.
* Immerses objects in chemical solution to clean surface of scale and foreign matter.
* Lowers objects into tank of ammonium chloride or other flux to protect surface from oxidation and facilitate coating.
* Dips objects into tank of molten metal to coat objects, using hoist or conveyor.
* Removes objects from tanks after specified time.
* Places objects, such as nuts and bolts, in centrifuge and starts machine to cool objects and remove excessive coating.
* Places objects, such as shelving and structural steel, into water tank or transfers them to storage area to cool.
* Smooths coating, using wire brush and file.
* Inspects objects for even and complete coating and returns defective objects for reprocessing.
* Scoops dross from tank, using long-handled scoop, pours dross into molds, and weighs molded dross.
* Turns valves to regulate temperature in dipping tank.
* Adds coating metal and chemicals to maintain specified levels and mixtures in cleaning, dipping, and fluxing tanks.
* May be designated according to type of coating applied as Galvanizer, Zinc (galvanizing); Tin Dipper (galvanizing).
Industry:Professional careers
A professional who tends equipment that coats preassembled groups of contact springs for relays and switches. Respnsibilities include:
* Secures springs with screws, using foot-controlled pneumatic screwdriver.
* Loads multispring subassemblies on conveyor of equipment that coats terminals of subassemblies with tin.
* Loads solder bars and flux solution into equipment, and sets thermostat to control temperature of tinning solution.
Industry:Professional careers
A professional who tends computerized equipment that applies black oxide coating to printed circuit board (PCB) panels to prevent electrical contact between layers and to aid adhesion of layers of multilayer PCB's. Respnsibilities include:
* Loads PCB panels into racks and positions racks under equipment crane.
* Pushes button to activate crane that automatically lifts racks of panels and immerses racks into series of tanks that coat panels with black oxide.
* Measures temperature of solutions with pyrometer and turns equipment knobs and valves to adjust temperature and regulate liquid volume.
* Places panels in oven to dry.
Industry:Professional careers
A professional who tends computerized equipment that applies black oxide coating to printed circuit board (PCB) panels to prevent electrical contact between layers and to aid adhesion of layers of multilayer PCB's. Respnsibilities include:
* Loads PCB panels into racks and positions racks under equipment crane.
* Pushes button to activate crane that automatically lifts racks of panels and immerses racks into series of tanks that coat panels with black oxide.
* Measures temperature of solutions with pyrometer and turns equipment knobs and valves to adjust temperature and regulate liquid volume.
* Places panels in oven to dry.
Industry:Professional careers
A professional who tends electroless plating equipment that immerses printed circuit board (PCB) panels into series of chemical tanks to clean, rinse, and deposit metal plating on panels to improve electrical conductivity and facilitate solder connections in production of PCB's. Respnsibilities include:
* Turns valves to fill tanks with solutions to specified levels.
* Loads panels onto dipping racks and attaches racks to bar, hoist, overhead crane, or holding fixture.
* Sets timer for deposition cycle.
* Keys data into computer keyboard, presses buttons or pulls levers to activate equipment that moves racks of panels through tanks, or lowers racks into tanks manually.
* Observes gauges and adjusts valves on tanks to maintain required temperature.
* Removes PCB upon completion of deposition cycle.
* May compute length of deposition cycle, using calculator.
* May add chemicals to tanks.
* May be designated according to type of coating applied as Copper Deposition Operator (electron.
* comp.).
Industry:Professional careers
A professional who tends electroless plating equipment that immerses printed circuit board (PCB) panels into series of chemical tanks to clean, rinse, and deposit metal plating on panels to improve electrical conductivity and facilitate solder connections in production of PCB's. Respnsibilities include:
* Turns valves to fill tanks with solutions to specified levels.
* Loads panels onto dipping racks and attaches racks to bar, hoist, overhead crane, or holding fixture.
* Sets timer for deposition cycle.
* Keys data into computer keyboard, presses buttons or pulls levers to activate equipment that moves racks of panels through tanks, or lowers racks into tanks manually.
* Observes gauges and adjusts valves on tanks to maintain required temperature.
* Removes PCB upon completion of deposition cycle.
* May compute length of deposition cycle, using calculator.
* May add chemicals to tanks.
* May be designated according to type of coating applied as Copper Deposition Operator (electron.
* comp.).
Industry:Professional careers
