Best Study Material for Mechanical Engineering Exam
A cam is a mechanical member used to impart desired motion (displacement) to a follower by direct contact (either point or line contact). A cam may be rotating or reciprocating whereas the follower may be rotating, reciprocating or oscillating.
The following terminologies are used to draw cam profile:
Follower Displacement Diagram
The following terms are used with reference to the angular motion of the cam:
Motion of the Follower
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Study Notes for Cams
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Though the follower can be made to have any type of desired motion, knowledge of the existing motion saves time and labour while designing the cams.
Displacement:
At any instant, displacement of the following is given by
Velocity:
Acceleration:
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