B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
B21B 37/28 (2006.01) B21B 37/16 (2006.01)
Patent
CA 2302658
During rolling with a rolling mill, which includes a sheet shape altering device capable of altering a mechanical sheet crown, while the sheet shape altering device is operated correspondingly with a target mechanical sheet crown set value during the dimensional alteration in rolling, the invention enables a stable sheet shape to be achieved, even when the mechanical sheet crown is altered to a large extent during rolling. Specifically, the target mechanical sheet crown set value, during the dimensional alteration in rolling, is previously set based on target mechanical sheet crown set values, before and after the dimensional alteration, prior to start of the dimensional alteration in rolling. The sheet shape altering device is then operated so that an actual mechanical sheet crown, during the dimensional alteration in rolling, is equal to the target mechanical sheet crown set value during the dimensional alteration in rolling.
Kagawa Takushi
Kaji Takayuki
Shiomi Hiroshi
Takebayashi Katsuhiro
Jfe Steel Corporation
Kawasaki Steel Corporation
Robic
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