Continuous backpass rolling mill

Details Continuous backpass rolling mill Continuous backpass rolling mill

1986-06-27

1988-12-27

Bray, W. Donald

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

295277, 72229, 72365, B21B 3120

Patent

active

047931698

ABSTRACT:
A method for hot rolling a continuously cast thin slab to form strip comprising the steps of: (a) subjecting a segment of predetermined length of the slab to a reduction pass in a first direction between a pair of work rolls; (b) retracting the segment in a direction opposite the first direction to the entrance side of the work rolls while accommodating the additional length of the segment produced by the reduction operation; (c) repeating steps (a) and (b) in sequence as necessary to finish the segment; and (d) consecutively subjecting the next contiguous portion of the slab to steps (a), (b) and (c) until the slab is finished along its entire length. Apparatus for practicing the method also is disclosed.

REFERENCES:
patent: 3385077 (1969-12-01), Wilson
patent: 3896653 (1975-07-01), Sakai et al.
patent: 4608850 (1986-09-01), Ballantyne et al.
patent: 4630352 (1986-12-01), Ginzburg et al.
patent: 4675974 (1987-06-01), Connolly

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