Question

Roll a 400mm wide strip which is 10mm thick, to 7mm inch thickness in one pass...

Roll a 400mm wide strip which is 10mm thick, to 7mm inch thickness in one pass with roll speed of 200 rpm and radius = 200mm. The material is an annealed low carbon steel and friction coefficient  = 0.1. Is friction significant? Calculate the power and exit velocity of the slab

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