Tandem rolling mill with additional mill stand

Details Tandem rolling mill with additional mill stand Tandem rolling mill with additional mill stand

B - Operations, Transporting

21

B

80/25

B21B 35/04 (2006.01) B21B 1/24 (2006.01) B21B 15/00 (2006.01) B21B 31/10 (2006.01)

Patent

CA 1047286

ABSTRACT OF THE DISCLOSURE A tandem rolling mill in which the utilization time of the mill is increased by having one mill stand more than is required for rolling the pass schedules for which the mill is designed. Each mill stand is designed to cover most of the speed range of a preceding mill stand in the rolling line. In operation, the mill stands downstream of a mill stand whose rolls are to be changed or whose rolls were previously changed are set to provide the necessary strip, reduction and maintain the normal rolling action of the mill by having their speeds shifted to that of the mill stand upstream thereof. The roll change can then take place without interruption of the rolling.

232029

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