Heaters, Metal and Plastic

Operate or tend heating equipment, such as soaking pits, reheating furnaces, and heating and vacuum equipment, to heat metal sheets, blooms, billets, bars, plate, and rods to a specified temperature for rolling or processing, or to heat and cure preformed plastic parts.

Job Task

• Ignites furnace with torch, and turns valve to regulate flow of fuel and air to burners.
• Inserts vacuum tube into bag and seals bag around tube with tape.
• Positions plastic sheet and mold in plastic bag, heats material under lamps, and forces confrontation of sheet to mold by vacuum pressure.
• Removes material from furnace, using crane, or signal crane operator to transfer to next station.
• Assists workers in repairing, replacing, cleaning, lubricating, or adjusting furnace equipment, using hand tools.
• Records time and production data.
• Signals coworker to charge steel into furnace.
• Impregnates fabric with plastic resins and cuts fabric into strips.
• Pushes cart to curing oven or places part in autoclave.
• Removes part and cuts away plastic bag.
• Positions part in plastic bag and seals bag with iron.
• Removes stock from furnace, using cold rod, tongs or chain hoist, and places stock on conveyor for transport to work area.
• Positions stock in furnace, using tongs, chain hoist, or pry bar.
• Places part on cart, connects vacuum line to tube, and smoothes bag around part to ensure vacuum.
• Adjusts controls to synchronize speed of feed and take-off conveyors of furnace.
• Starts conveyors and opens furnace doors to load stock, or signals crane operator to uncover soaking pits and lower ingots into them.
• Adjusts controls to maintain temperature and heating time, using thermal instruments and charts, dials and gauges of furnace, and color of stock.
• Sets oven controls or turns air-pressure valve or autoclave.

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