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Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 3 (Q.No. 41)
Theory of machines
41.
In a cam drive with uniform velocity follower, the sharp corners of the displacement diagram are rounded off at the beginning and at the end of each stroke. This is done
because of difficulty in manufacturing cam profile
because of loose contact of follower with cam surface
in order to have acceleration in beginning and retardation at the end of stroke within the finite limits
because the uniform velocity motion is a partial parabolic motion
Answer: Option
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