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Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 4 (Q.No. 30)
Machine Design
30.
In worm, gears, pitch lead angle is
half the angle between two inclined faces in axial plane
the angle between the tangent to the pitch helix and the plane of rotation
the angle between the tangent to the pitch helix and an element of the cylinder
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Rajkotha said:   6 years ago
The angle between the tangent to the pitch helix and an element of the cylinder -helix angle.

Half the angle between two inclined faces in axial plane -pressure angle.
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