Question 3 A rolling operation on a 250 mm wide, 8 mm thick, 1112 cold rolled steel takes  place using hardened steel rolls with a surface finish of 0.03 μm. The rolls have  a diameter of 350 mm and rotates at 115 rpm. The final thickness of the plate  is 6 mm and the entry speed of the plate is 1.8m/s Calculate: 3.1)The minimum coefficient of friction required, that will make the rolling operation  possible.  3.2 The required roll force.  3.3 The position of the neutral point, ?? 3.4 Indicate, using a sketch, the neutral point showing all relevant notation and dimensions

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Question 3
A rolling operation on a 250 mm wide, 8 mm thick, 1112 cold rolled steel takes 
place using hardened steel rolls with a surface finish of 0.03 μm. The rolls have 
a diameter of 350 mm and rotates at 115 rpm. The final thickness of the plate 
is 6 mm and the entry speed of the plate is 1.8m/s

Calculate:

3.1)The minimum coefficient of friction required, that will make the rolling operation 
possible. 
3.2 The required roll force. 
3.3 The position of the neutral point, ??
3.4 Indicate, using a sketch, the neutral point showing all relevant notation and dimensions 

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