Multistage rolling mill with flatness control function

Details Multistage rolling mill with flatness control function Multistage rolling mill with flatness control function

1982-03-25

1985-01-22

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72245, B21B 3116, B21B 3132

Patent

active

044943962

ABSTRACT:
The present invention considerably improves the rolling mill in the flatness control function, by arranging either of a pair of upper and lower work rolls as a small-diameter roll, offsetting the small-diameter work roll by a required distance in the rolling direction, providing an intermediate roll between the small-diameter work roll and a backup roll, letting a vertical bending force act on the upper and lower work rolls and the intermediate roll, and letting a horizontal bending force act on the small-diameter work roll.

REFERENCES:
patent: 2118284 (1938-05-01), Worthington
patent: 3363444 (1968-01-01), Caldeback
patent: 3533263 (1970-10-01), Wochnik et al.
patent: 4132095 (1979-01-01), Bowman
patent: 4194382 (1980-03-01), Kajiwara
patent: 4218905 (1980-08-01), Lehmann et al.
patent: 4365496 (1982-12-01), Shiozaki et al.

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