Method of controlling thermally alterable profile of working rol

Details Method of controlling thermally alterable profile of working rol Method of controlling thermally alterable profile of working rol

1993-11-24

1996-09-10

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

72201, B21B 2706

Patent

active

055534694

ABSTRACT:
A method of controlling thermally alterable profiles of working rolls during hot rolling of strips having different width includes providing cover shells for the working roll, determining a position of edges of the rolling strip on the working roll, determining a position of thermally isolating cover shells, which cover longitudinal portions of the working roll in a region of the strip edges for influencing a temperature gradient of the working roll, and displacing the cover shells to selectively cover a longitudinal region of the working roll in a strip edge-contact region of the working roll with the rolling strip, and a longitudinal region of the working roll which does not contact the rolling strip during strip rolling. The cover shells and a mechanism for displacing the cover shells are parts of an arrangement for effecting the method.

REFERENCES:
patent: 2692118 (1954-10-01), Holloway
patent: 4422318 (1983-12-01), Christ et al.
patent: 4612788 (1986-09-01), Kitagawa
patent: 4706480 (1987-11-01), Svatos
patent: 4741193 (1988-05-01), Kimura et al.

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