Title:
SHAPE CONTROL METHOD FOR ROLLING MACHINE AND SHAPE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/192713
Kind Code:
A1
Abstract:
A shape control method for a rolling machine according to the present invention includes: a measurement step for measuring a shape of a steel plate on an output side of a rolling machine; and a control step for controlling the rolling machine in such a manner that the shape of the steel plate falls within an allowable range on the basis of the shape of the steel plate measured in the measurement step. The control step includes a step for, in the case where a width of the steel plate to be rolled exceeds a predetermined value, setting a control gain to be smaller than a control gain in the case where the width of the steel plate to be rolled is equal to or less than the predetermined value.
Inventors:
SUZUKI KENJI (JP)
HARADA YOSHIMITSU (JP)
HARADA YOSHIMITSU (JP)
Application Number:
PCT/JP2021/005355
Publication Date:
September 30, 2021
Filing Date:
February 12, 2021
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21C51/00; B21B37/28; B21B38/02
Foreign References:
| JP2017064790A | 2017-04-06 | |||
| JP2005313190A | 2005-11-10 | |||
| JPS5348057A | 1978-05-01 | |||
| JP2012110939A | 2012-06-14 |
Other References:
See also references of EP 4129511A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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