railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Tool Signature
A tool has the signature form as 8, 8, 5, 5, 6, 6, 1 as per American Standard Association. In this, 1 represents-
1
Side relief angle
2
Back rake angle
3
Side cutting edge
4
Nose radius