Process for improving the surface condition and thickness regula

Details Process for improving the surface condition and thickness regula Process for improving the surface condition and thickness regula

1992-07-15

1993-10-19

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164423, 164415, 164475, B22D 1106

Patent

active

052536998

ABSTRACT:
A process for improving the surface condition and thickness regularity of a thin metal strip cast on a rotating wheel by injection of a molten metal having a free surface forming a meniscus in contact with the wheel. The process comprises detecting undulations or variations in thickness of the strip of at least 10 .mu.m, forming a gas cushion above the free surface utilizing a porous body disposed facing the free surface, and adjusting the pressure of the gas cushion, the location of the porous body or both to control the variations or undulations.

REFERENCES:
patent: 3863700 (1975-02-01), Bedell et al.

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