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...Rd international conference on material mechanical and manufacturing engineering icme analysis of roll equivalent crown cvc h mill a yang guang hui zhang jie cao jian guo xie zhen ning school university science technology beijing china yanggh ustb edu cn keywords tandem cold rolling finite element model limit specification shape control abstract the mm is one widest mills in world it improves output production efficiency largely but some problems puzzle such as strip especially width order to solve necessary redesign intermediate contour however six adopts contours does not contact directly can be used after calculation study corresponding relationship between ultra wide simulation fem built with msc marc software through using analyzed result shows that needed work minimum backup maximum which same approximate cross section effect different rolls exists each other introduction since has introduced first set seventy s last century technologies rapid bending continuously variable hc hig...