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Blooming Mill Roll Pass Design

2020-8-6Calculate the number of passes for rolling ingots of 760 x 700 mm 2 cross-section to blooms of 250 x 250 mm 2 in a blooming mill of initial roll diameter of 1100 mm. Maximum machining allowance is 12 of initial diameter. Widening may be taken as 12 of reduction. Co-efficient of friction is 0.45. Solution Type 2. Billet Rolling Mill.

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