Method of controlling form of strip in rolling mill

Details Method of controlling form of strip in rolling mill Method of controlling form of strip in rolling mill

1995-03-09

1997-10-28

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 3700

Patent

active

056807848

ABSTRACT:
A method of controlling a form of a strip in a rolling mill. A plurality of paired data of manipulation amounts of form control actuators, and amounts of variations in the form of the strip corresponding to the manipulation amounts are prepared, as prototype manipulation examples. Calculation is performed to obtain a degree of similarity between an actual form error representing difference between an actual form of the strip and a target form, and variations in the form of the prototype manipulation examples. Then, actuator manipulation amounts of the prototype manipulation examples are weighted in accordance with calculated degree of the similarity, and the actuators are manipulated based on weighted actuator manipulation amounts.

REFERENCES:
patent: 5111531 (1992-05-01), Grayson et al.
patent: 5193066 (1993-03-01), Konishi et al.
patent: 5414619 (1995-05-01), Katayama et al.
patent: 5430642 (1995-07-01), Nakajima et al.
The Iron and Steel Institute of Japan, pp. 265-269, published on Sep. 1, 1984, "Theory in Practice of Flat Rolling".

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