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Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 11 (Q.No. 26)
Machine Design
26.
A castle nut is a locking device in which
a thinner nut is tightened down over a thicker or main nut and the main nut is tightened against the thinner nut by loosening
a slot is cut in line with the centre of each face and a split pin passes through two slots in the nut and a hole in the bolt, so that a positive lock is obtained unless the pin shears
a slot is cut about half way through the nut and a small screw is tightened between the nut and the bolt in order to produce more friction
the bottom cylindrical portion is recessed to receive the tip of the locking set screw
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
Ganeshr said:   5 years ago
Ring nut : The bottom cylindrical portion is recessed to receive the tip of the locking set screw.
Ganeshr said:   5 years ago
Sawn nut : A slot is cut about halfway through the nut and a small screw is tightened between the nut and the bolt in order to produce more friction.

Castle nut : A slot is cut in line with the centre of each face and a split pin passes through two slots in the nut and a hole in the bolt so that a positive lock is obtained unless the pin shears.

Jam Nut : A thinner nut is tightened down over a thicker or main nut and the main nut is tightened against the thinner nut by loosening.
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