Mechanical Engineering - Production Engineering - Discussion

Discussion Forum : Production Engineering - Section 6 (Q.No. 48)
In drilling brass, a drill with
zero helix angle is used
low helix angle is used
high helix angle is used
any helix angle can be used
Answer: Option
No answer description is available. Let's discuss.
5 comments Page 1 of 1.

Shai said:   4 years ago
Usually helix angle 30 degrees.

For ductile material high.
For the brittle material low.

Aomie said:   5 years ago
Brass is a brittle material.

So, it is low helix angle.

Ranga said:   5 years ago
Machining is zero.

But drilling will low.

Umesh/tatav said:   6 years ago
In machining operation for brass it 0.

And in drilling, it is low helix angle.

Ashish Gupta said:   8 years ago
Around 13 degree.

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