Chill preventing arrangement for use in centrifugal casting and

Details Chill preventing arrangement for use in centrifugal casting and Chill preventing arrangement for use in centrifugal casting and

1976-08-05

1978-09-12

Flint, Jr., J. Howard

Metal founding

Means to shape metallic material

Pressure shaping means

164 19, 164 33, 164138, 295272, B22D 1302, B22D 1310

Patent

active

041130022

ABSTRACT:
A chill preventing arrangement is used in a metal mold employed in centrifugal casting. The metal mold is provided, at its spigot portion, with an end plate which has a central opening smaller in diameter than the internal diameter of the metal mold main body and which includes a metallic base plate, an intermediate layer of metallic alloy formed by flame or plasma spraying on a surface of the metallic base plate contacting the molten metal for casting, and a coating of ceramic material more than 0.7 mm thick formed on the intermediate layer by flame or plasma spraying for preventing chill formation at the corresponding end portions of tubular castings.

REFERENCES:
patent: 1480000 (1924-01-01), McWane
patent: 2903375 (1959-09-01), Peras

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