| Job Title |
Vacuum Caster |
| Job Description |
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. Closes And Clamps Air-lock Door. Inserts Premeasured
Metal Charge Into Upper Air Lock. Starts Pumps To Create
Specified Vacuum In Air Locks. Pulls Levers That Cause Ram To
Push Charge Into Melting Pot In Vacuum Chamber. Turns On Current
And Adjusts Temperature Controls Of Furnace. Determines When
Molten Metal Is Ready To Pour By Observing Color Through
Glass-covered Opening, Or By Measuring Temperature Of Molten
Metal With Pyrometer. Moves Controls That Cause Lift To Raise
Mold From Lower Air Lock To Vacuum Chamber. Pulls Lever That
Causes Furnace To Invert And Pour Molten Metal Into Mold.
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