Method for rolling metal sheets

Details Method for rolling metal sheets Method for rolling metal sheets

1988-01-11

1990-03-27

Bray, W. Donald

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72243, 72245, B21B 3118

Patent

active

049109880

ABSTRACT:
A pair of tapered work rolls are arranged to confront each other and the work rolls are shifted to locate the side edges of a material to be rolled at the tapered portions of the work rolls, by adding the quantity of the movement of the taper-initiating point by wearing of the rolls to the shift quantity of the rolls, and rolling is carried out while maintaining an effective adjustment of the crown quantity (effective shift quantity). Therefore, defects such as edge drop and high spot can be effectively prevented and the crown quantity can be freely controlled, and accordingly, a desired crown quantity can be easily obtained.

REFERENCES:
patent: 4683744 (1987-08-01), Ginzburg et al.
patent: 4711116 (1987-12-01), Bald
patent: 4745790 (1988-05-01), Teshiba et al.
patent: 4776192 (1988-10-01), Oda et al.
Handbook of Iron and Steel, vol. 3 (1), Bases of Rolling, Steel Sheets: pp. 384-386, May 15, 1980.

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