Method of applying flux

Details Method of applying flux Method of applying flux

1980-05-01

1982-05-04

Baldwin, Robert D.

Metal founding

Process

Shaping liquid metal against a forming surface

164 571, B22D 1302, B22D 2718

Patent

active

043277985

ABSTRACT:
A method for introducing fluxing material (flux) into a tubular, centrifugal casting mold in the manufacture of centrifugally cast metallic tubes. The flux is injected directly into the pouring stream of the molten metal in a steady, continuous flow by the pressure from a stream of non-reactive gas such as nitrogen. The injection of the flux into the pouring stream begins only after the wetting of all the casting surfaces of the mold by the molten metal. This flux is supplied from a hopper with a variable speed control auger.

REFERENCES:
patent: 1521634 (1925-01-01), Ladd
patent: 1614862 (1927-01-01), Beatty
patent: 1949433 (1934-03-01), Russell et al.
patent: 2265740 (1941-12-01), Morgan
patent: 3303018 (1967-02-01), Goss
patent: 3863702 (1975-02-01), Hallerberg et al.
patent: 4095643 (1978-06-01), Farlow et al.

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