Load-transfer mechanism

Details Load-transfer mechanism Load-transfer mechanism

B - Operations, Transporting

21

B

341/42, 80/43

B21B 31/32 (2006.01) B21B 31/02 (2006.01) B21B 37/62 (2006.01)

Patent

CA 1184794

LOAD-TRANSFER MECHANISM ABSTRACT OF THE DISCLOSURE The invention contemplates a prestressed rolling mill incorporating a system of hydraulically operated load-transfer blocks, wherein the blocks are of unitary construction and bodily interposed between vertically opposed regions of upper and lower back-up roll chocks, at the respective inlet and exit sides of each axial end of the mill. Each load-transfer block is inherently self-adapting (at each of a plurality of force-application regions) to such small locally different deformations in the mill frame as result from the block's modulating con- tribution to net prestressing force; further, each load- transfer block includes its own hydraulic-control system with minimum-displacement actuators whereby a fast time constant of hydraulic response is achieved. Still further, control of all load-transfer blocks is monitored and coordinated through a microprocessor having instantaneous hydraulic-pressure and positional data inputs electrically supplied from all load-transfer blocks, as well as from various other data inputs pertaining to mill operation.

442405

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