In a typical metal cutting operation, using a cutting tool a positive rake = 10 , it is as observed that the shear angle was 20 . The friction angle is

In a typical metal cutting operation, using a cutting tool a positive

1.	In a typical metal cutting operation, using a cutting tool a positive rake = 10 , it is as observed that the shear angle was 20 . The friction angle is
A.	45
B.	30
C.	60
D.	40
Answer» D. 40

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In a typical metal cutting operation, using a cutting tool a positive rake = 10 , it is as observed that the shear angle was 20 . The friction angle is

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