Solved (SI units) A series of coldrolling operations are to
WEBThe specifiion is that the draft is to be equal on each pass. minimum number of passes= 5 Passes draft for each pass= (SI units) A series of coldrolling operations are to be used to reduce the thickness of a metal plate from 50 mm to 20 mm in a reversing twohigh mill. Roll diameter = 600 mm, and coefficient of friction between rolls and ...