### Rolling of Metals

increase in width, may actually occur if edger mills are not used •Average true stress of the strip in the roll gap Y avg •Assumes no friction and thus predicts lower roll force than the actual value •Power per roll (SI units)= pFLN / 60,000 kW •Where F is in Newtons, L is in meters, and N is rpm of roll •Power per roll (English units)= pFLN / 33,000 hp •Where F is in lbs, L is in ...

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