Mechanical Engineering - Production Engineering - Discussion
Discussion Forum : Production Engineering - Section 7 (Q.No. 13)
13.
For harder alloy steel, the point angle of the drill is kept
Discussion:
3 comments Page 1 of 1.
Rajendra said:
6 years ago
For alloy steels, it should be less than 180.
K.V.Saikumar said:
6 years ago
For soft ---------> less than 118.
For harder ---------> more than 118.
For usual ---------> it is 118.
For mild steel and brass ---------> 118.
For stainless steel ---------> 135.
For harder ---------> more than 118.
For usual ---------> it is 118.
For mild steel and brass ---------> 118.
For stainless steel ---------> 135.
(1)
Dinesh said:
6 years ago
For hard-less than 118°.
For soft-more than 118°.
For soft-more than 118°.
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