Estimate the moment, thrust force and power required for 15mm drill having a feed of 0.35 mm/rev, turning at 80 rpm, cutting a steel of Brinell hardness 250. Assum

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Estimate the moment, thrust force and power required for 15mm drill having a feed of 0.35 mm/rev, turning
at 80 rpm, cutting a steel of Brinell hardness 250. Assume Material factor K = 1.20 and web thickness w =
0.14 D. Check the values with that obtained with empirical formula.

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