Roll for rolling mill

Details Roll for rolling mill Roll for rolling mill

B - Operations, Transporting

21

B

80/44, 80/49

B21B 13/00 (2006.01) B21B 27/00 (2006.01) B21B 27/02 (2006.01) B21B 29/00 (2006.01) B21B 31/00 (2006.01) B21B 31/18 (2006.01) B21B 37/42 (2006.01)

Patent

CA 1153586

ABSTRACT OF THE DISCLOSURE A pair of rolls displaceable axially in accordance with the rolled sheet width are arranged at the upper and lower sides or only one side of a pair of work rolls having a high flexural rigidity, such that the axes of the axially displaceable rolls are substantially in the same plane as the axes of the work rolls, so that the shape control of the rolled sheet is performed by the axial adjustment of the axially displaceable rolls. Each axially displaceable roll has an axial end portion the diameter of which is gradually decreased toward the axial outer extremity or edge with such a rate that the reduction in radius of said axial end portion within the range of 100 mm as measured from the starting point of said axial end portion toward said axial outer extremity is at least 0.3 mm. In consequence, the stress concentration at the axial end portion of the displaceable roll, as well as spalling and scoring, is avoided and the shape controllability is improved considerably.

362955

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