Hot strip mill shape processor and method

Details Hot strip mill shape processor and method Hot strip mill shape processor and method

1986-03-03

1988-11-08

Spruill, Robert L.

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

72 12, 72164, 72201, B21B 134, B21B 3712, B21D 102

Patent

active

047826835

ABSTRACT:
The method of controlling strip flatness on a hot strip mill which includes a hot reversing mill as a final reducing stand comprises reducing the thickness of the workpiece by passing it back and forth along a pass line through the hot reversing mill while reducing the roll gap on the mill after each successive pass. The strain developed during rolling is equalized by passing the workpiece through a shape processor having a plurality of upper and lower rolls capable of intermeshing along the pass line and located immediately downstream of the hot reversing mill. The equalizing of the strain through the shape processor occurs during selected intermittent passes and/or through the last pass through the reversing mill.

REFERENCES:
patent: 2105736 (1938-01-01), Hudson
patent: 2166418 (1939-07-01), McBain
patent: 2226500 (1940-12-01), Matthews
patent: 3344637 (1967-10-01), Polakowski
patent: 3839888 (1974-10-01), Greenberger
patent: 4316376 (1982-02-01), Masui et al.
patent: 4454738 (1984-06-01), Buta
patent: 4539830 (1985-09-01), Noe et al.

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