Method of treating molten metal in centrifugal castings

Details Method of treating molten metal in centrifugal castings Method of treating molten metal in centrifugal castings

1976-09-08

1977-07-19

Shore, Ronald J.

Metal founding

Process

Shaping liquid metal against a forming surface

164117, 164157, 164301, B22D 2720, B22D 1302

Patent

active

040362795

ABSTRACT:
A pouring chute is positioned with its discharge end disposed within an elongated hollow casting mold which is rotatably supported on a plurality of rollers. A molten metal is poured from a ladle into a receiving end of the pouring chute while the casting mold is rotating. A treating agent in wire form is fed by a wire feed mechanism along a guide member positioned adjacent the pouring chute and into the stream of molten metal flowing through the pouring chute adjacent the discharge end thereof for meltably intermixing with the molten metal. The wire feed mechanism and hence the feed rate of the wire is controlled in direct proportion to the flow rate of the molten metal through the pouring chute.

REFERENCES:
patent: 963973 (1910-07-01), Wright
patent: 1469206 (1923-10-01), Anthony
patent: 2124445 (1938-07-01), Carrington
patent: 2152717 (1939-04-01), Wehmeier et al.
patent: 3056179 (1962-10-01), Lorang
patent: 3367395 (1968-02-01), Karsay
patent: 3634075 (1972-01-01), Hoff
patent: 3916979 (1975-11-01), DeGois et al.
patent: 3991808 (1976-11-01), Nieman et al.

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