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"VACUUM CASTER"
Job Description and Jobs

Job Description:

  • 1) Operates vacuum casting machine to produce molten metal and pour castings of high density: Removes ceramic mold from preheat oven, using tongs, and places it on lift in lower air lock of machine.

  • 2) Closes and clamps air-lock door.

  • 3) Inserts premeasured metal charge into upper air lock.

  • 4) Starts pumps to create specified vacuum in air locks.

  • 5) Pulls levers that cause ram to push charge into melting pot in vacuum chamber.

  • 6) Turns on current and adjusts temperature controls of furnace.

  • 7) Determines when molten metal is ready to pour by observing color through glass-covered opening, or by measuring temperature of molten metal with pyrometer.

  • 8) Moves controls that cause lift to raise mold from lower air lock to vacuum chamber.

  • 9) Pulls lever that causes furnace to invert and pour molten metal into mold.

 

 

 


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End Of Job Description for: "VACUUM CASTER"
DOT:   514.582-010

Job Number: 11670