Cold rolled material production equipment and cold rolling method
A technology for manufacturing equipment and rolling mills, applied in the field of cold-rolled material manufacturing equipment and cold-rolling, can solve problems such as residues and reduce the reliability of joints, and achieve the effects of high yield, excellent effect and high efficiency
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[0087] The function of the cold-rolled material manufacturing facility and the cold-rolling method of the embodiment of the present invention will be described below.
[0088] The rolling speed of the leading end of the preceding coil and the leading end of the following coil during joining is lower than the normal rolling speed, and the strip storage length of the strip storage device arranged between the joining device and the rolling mill is shortened , The device is miniaturized.
[0089] Under low-speed rolling conditions, the plate thickness is measured by a plate thickness gauge installed on the exit side of the rolling mill, and the plate thickness is corrected based on the deviation between the plate thickness command value and the actual plate thickness value. Right below the work roll, the time from rolling to the thickness detection is delayed, and the thickness control accuracy is reduced. Therefore, under low-speed rolling conditions, the incoming side rolling speed,...
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