Method of operating a rolling mill for hot-rolling and cold-roll

Details Method of operating a rolling mill for hot-rolling and cold-roll Method of operating a rolling mill for hot-rolling and cold-roll

1999-03-30

2000-11-07

Tolan, Ed

Metal deforming

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

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

72 144, 723652, B21B 3758

Patent

active

06142000&

ABSTRACT:
A method of operating a rolling mill for hot-rolling and cold-rolling of flat products in one or more roll stands each having two or more rolls, wherein the roll gaps are regulated so as to correct the differential force between the drive side and the operator side of the roll stands, while compensating the adjustment value-controlled regulation of the roll gaps which corrects the bending and balancing forces. Prior to further processing of the flat products, the regulation is supplied with an additional correction adjustment value formed from the horizontal forces measured in all individual rolls.

REFERENCES:
patent: 5279139 (1994-01-01), Sturn
patent: 5448901 (1995-09-01), Yu et al.
patent: 5775154 (1998-07-01), Haberkamm
Patent Abstracts of Japan, vol. 017, No. 520 (M-1482), Sep. 20, 1993 & JP 05 138219 A (Kawasaki Steel Corp), Jun. 1, 1993.
Patent Abstracts of Japan, vol. 011, No. 006 (M-551), Jan. 8, 1987 & JP 61 182816 A (Ishikawajima Harima Heavy Ind Co Ltd), Aug. 15, 1986.
Patent Abstracts of Japan, vol. 008, No. 116 (M-299), May 30, 1984 & JP 59 024509 A (Hitachi Seisakusho KK), Feb. 8, 1984.

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