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Mechanical Engineering - Production Engineering - Discussion

Discussion Forum : Production Engineering - Section 5 (Q.No. 9)
Production Engineering
9.
Which of the following statement is wrong?
The larger side rake angle produces chipping.
The smaller rake angle produces excessive wear and deformation in tool.
The side cutting edge angle (less than 15°) increases tool life.
The increase in nose radius decreases tool life.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.
Nubel said:   8 years ago
Please explain anyone.
Balwinder said:   7 years ago
Smaller nose radius means sharper the tool. But the tool wears off more rapidly at the tip. Smaller nose radius increases keenness but decreases tool life.
(1)
Nailesh Prajapati said:   6 years ago
Option C is the correct answer.

Ref: R.S Khurmi.
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