Casting process

Details Casting process Casting process

1976-05-04

1978-07-18

Husar, Francis S.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

148 2, 164111, B22D 1900

Patent

active

041006690

ABSTRACT:
A method for producing large castings formed of non-machinable metals provides for inserting machinable plug members in the mold prior to casting, then pouring molten hard metal to fill the mold and surround the inserts. Removing the mold exposes the casting and portions of the inserts which may then be machined. After machining, the inserts are flame-hardened commensurate with the hardness of the casting.

REFERENCES:
patent: 1630631 (1927-05-01), Pauly
patent: 2254307 (1941-09-01), Mott et al.
patent: 3118225 (1964-01-01), McAndrews

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