+1 vote
in Machine Kinematics by (38.0k points)
The lead screw of a lathe with nut forms a

(a) rolling pair

(b) sliding pair

(c) screw pair

(d) turning pair

The question was posed to me in an internship interview.

My doubt stems from Types of Links topic in portion Simple Mechanisms of Machine Kinematics

1 Answer

0 votes
by (106k points)
Correct option is (c) screw pair

To explain I would say: When the nature of contact between the element of a pair is such that one element can turn abut the other by screw threads, the pair is known as a screw pair. The lead screw of a lathe with nut is an example of screw pair.

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