B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
80/32, 80/47, 80
B21B 31/18 (2006.01) B21B 37/00 (2006.01) B21B 37/40 (2006.01) B21B 1/26 (2006.01) B21B 27/02 (2006.01)
Patent
CA 1286897
- 22 - METHOD FOR ROLLING METAL SHEETS ABSTRACT OF THE DISCLOSURE A pair of tapered work rolls are arranged to confront each other and the work rolls are shifted to locate the side edges of a material to be rolled at the tapered portions of the work rolls, by adding the quantity of the movement of the taper-initiating point by wearing of the rolls to the shift quantity of the rolls, and rolling is carried out while maintaining an effective adjustment of the crown quantity (effective shift quantity). Therefore, defects such as edge drop and high spot can be effectively prevented and the crown quantity can be freely controlled, and accordingly, a desired crown quantity can be easily obtained. There- fore, this rolling method is very valuable from the industrial viewpoint.
556140
Hongo Yuichi
Ikeda Mitsuhiro
Muramatsu Kiyoshi
Yanai Toshio
Goudreau Gage Dubuc
Nippon Steel Corporation
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