Method and apparatus for rolling strip

Details Method and apparatus for rolling strip Method and apparatus for rolling strip

1997-12-19

1999-10-26

Larson, Lowell A.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 117, 723652, B21B 3728

Patent

active

059707658

ABSTRACT:
A method of rolling strip in a strip rolling train having at least two roll stands, each roll stand having horizontally adjustable upper and lower work rolls, wherein the work rolls act alone as a two-high stand or each work roll is supported directly or through an intermediate roll by a back-up roll, or in a reversing stand in which at least two passes are rolled, wherein the strip is subjected in the roll stands to a constitutional change, and wherein adjusting elements act on the strip for imparting a profile and surface evenness to the strip. The method includes presupposing in at least one strip area an intended surface unevenness shape over a width of the strip, determining an actually achieved surface unevenness shape in the strip area and comparing the actually achieved surface unevenness shape to the presupposed unevenness shape, computing a difference between the unevenness shapes, and operating the adjusting elements such that the difference is minimized.

REFERENCES:
patent: 5193066 (1993-03-01), Konishi et al.
patent: 5562525 (1996-10-01), Mori et al.
patent: 5860304 (1999-01-01), Anbe et al.

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