Cold rolling method and apparatus
A technology of operation device and running direction, applied in the driving device, metal rolling, metal rolling and other directions of metal rolling mill, can solve the problem of lack of fit and other problems, achieve the effect of high production volume, reduce investment and maintenance cost
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[0054] figure 1 A combined working device according to the invention is schematically shown, which comprises an inlet section 1 , a treatment section 2 , a cold rolling section 3 and an outlet section 4 of the metal strip in sequence along the longitudinal running direction of the metal strip.
[0055] In general, the entry and preparation section 1 of the strip M comprises a strip uncoiler 10 , a device 11 for straightening and flattening the strip, a cropping shear 12 and a welding machine 13 . In fact, once a coil has been fully uncoiled, a new coil should be placed on the uncoiler 10, the head of this new coil being connected to the tail of the previous coil, so as to ensure continuous deal with. To join two coils, their respective ends are first trimmed by crop shears 12 to form two parallel sides which are welded together by a welding machine 13 . The welding can also be performed by other suitable means. Crop shears 12 and welding machine 13 can also be assembled int...
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