Rolling method and apparatus for forming sections having flange

Details Rolling method and apparatus for forming sections having flange Rolling method and apparatus for forming sections having flange

B - Operations, Transporting

21

B

80/22

B21B 1/08 (2006.01)

Patent

CA 1247405

- 29 - ROLLING METHOD AND APPARATUS FOR FORMING SECTIONS HAVING FLANGE ABSTRACT OF THE DISCLOSURE The present invention relates to a rolling method and apparatus for forming sections having a flange connected to a web. Between two optional steps of roughing, intermediate rolling, and finishing steps, rolls 15, 15', 16, and 16' are arranged to expand the web in the widthwise direction. The rolls 15, 15', 16, and 16' fall in contact with the inner sides 21 and 22 of flanges. The rolls 15, 15', 15, and 16' may be engaged with the upper and lower faces of the web. The axes of the rolls 15, 15', 16, and 16' may be inclined at a predetermined angle .theta.h in a direction horizontally perpendicular to the rolling direction. It is preferred that the axes of the rolls 15, 15', 16, and 16' be vertically inclined at an angle .theta.v to the horizontal plane.

462280

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