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Cold rolling method and a cold rolling facility of steel coil
Cold rolling method and a cold rolling facility of steel coil
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机译：钢卷的冷轧方法及冷轧设备
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摘要
PROBLEM TO BE SOLVED: To provide a cold rolling method for a steel plate coil by which generation of a portion as an off-gage is suppressed and improvement of a yield can be achieved, and a cold rolling facility for the method.SOLUTION: In a cold rolling method by which steel plate coils fed by a pay-off reel 4 are wound around an outlet side tension reel 2 and an inlet side tension reel 3 respectively, and are repeatedly depressed by a rolling mill 1, after cold rolling, a residual wound steel plate coil which remains at the inlet side tension reel 3 is removed from the inlet side tension reel 3, a new steel plate coil is loaded onto the pay-off reel 4, then the residual wound steel plate coil and the new steel plate coil are joined with each other, the residual wound steel plate coil is taken up by the pay-off reel 4, further the new steel plate coil which is continuous to the taken-up residual wound steel plate coil positioned at the beginning is fed by the pay-off reel and is wound between the outlet side tension reel 2 and the inlet side tension reel 3, and a next cold rolling is started.
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