Method and apparatus for rolling a metal strip

Details Method and apparatus for rolling a metal strip Method and apparatus for rolling a metal strip

1995-06-28

1998-04-21

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

72 112, 72 116, 72 122, B21B 3700

Patent

active

057406863

ABSTRACT:
In rolling a metal strip in a roughing line and a finishing line, the rolling process in the roughing line is adjusted as a function of a predicted value for the change in width of the metal strip in the finishing line such that the metal strip has a given specified finished strip width on leaving the finishing line. In order to permit a reliable prediction of the change in width despite the lack of accurate information regarding the dependence of the change in width on influencing parameters that affect the process, this dependence is simulated in a neural network whose network parameters are adapted after each passage of a metal strip through the finishing line as a function of the influencing parameters measured or calculated during the passage and the measured actual change in width.

REFERENCES:
patent: 4294094 (1981-10-01), Okado et al.
patent: 5193066 (1993-03-01), Konishi et al.
patent: 5414619 (1995-05-01), Katayama et al.
Patent Abstracts of Japan, vol. 16, No. 515 (M-1329), Oct. 23, 1992 (Toshiba Corp.), JP 4-190910, Jul. 9, 1992.
Patent Abstracts of Japan, vol. 16, No. 467 (M-1317), Sep. 29, 1992 (Toshiba Corp.), JP 4-167908, Jun. 16, 1992.
Patent Abstracts of Japan, vol. 13, No. 28 (M-788), Jan. 23, 1989 (Kobe Steel Ltd.), JP-63-238912, Oct. 5, 1988.

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