Argon bath induction casting system

Details Argon bath induction casting system Argon bath induction casting system

1976-03-24

1977-06-07

Shore, Ronald J.

Metal founding

Process

Shaping liquid metal against a forming surface

164 61, 164 62, 164 63, 164 65, 164 68, 164114, 164255, 164258, 164259, 164289, B22D 1300

Patent

active

040277194

ABSTRACT:
A system for centrifugal casting of induction melted metal includes a crucible and a porous mold secured to a casting arm. The casting arm is secured to a hollow rotatable shaft which includes two separate fluid channels extending axially therethrough. The shaft is supported on a rotary valve which provides separate flow communication with each flow channel. One flow channel provides pressurized argon to the crucible to prevent oxide formation during casting. The other channel provides a vacuum to the exterior of the mold to draw gasses out of the metal, aid in the argon flow into the mold, and to augment the centrifugal flow of the molten metal into the mold.

REFERENCES:
patent: 2637079 (1953-05-01), Kemppe
patent: 2778075 (1957-01-01), Huppert
patent: 3052001 (1962-09-01), Brennan
patent: 3234604 (1966-02-01), Anderson
patent: 3818974 (1974-06-01), Eberle
patent: 3845807 (1974-11-01), Koon
patent: 3955612 (1976-05-01), Schultheiss

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