High capacity electron beam cold hearth furnace

Details High capacity electron beam cold hearth furnace High capacity electron beam cold hearth furnace

1988-07-28

1989-04-18

Envall, Jr., Roy N.

Industrial electric heating furnaces

Electron beam furnace device

373 16, 164506, 164512, H01J 37305

Patent

active

048233587

ABSTRACT:
In the particular embodiment of an electron beam furnace arrangement described in the specification, an electron beam gun unit is supported on rails for motion between two hearth and casting units, each having a lid to seal the unit when the electron beam gun unit is not in place. Sealing covers are also provided for the molds associated with the casting units. A common pump, preheating and hearth cooling unit communicates with each of the hearth and casting units so that, when one of the hearth and casting units is in use, the other unit can be cleaned and maintained and then outgassed and preheated in preparation for transfer of the electron beam gun unit from the other hearth and casting unit.

REFERENCES:
patent: 3342250 (1967-09-01), Treppschuh et al.
patent: 4728772 (1988-03-01), Smith
patent: 4730661 (1988-03-01), Stephan

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