Q1. What are two advantages of Cam-Followers over other linked mechanisms? Expla

Question

Q1. What are two advantages of Cam-Followers over other linked mechanisms? Explain in detail Q2. Where might one find a wedge cam being used? Explain in detail Q3. Why is only uniform motion (i.e. constant follower speed) impossible to program into the design of a cam? Explain in detail. Q4. What are the issues that can arise with a parabolic cam profile? Explain in detail Q5. Explain the concept of kinematic coefficients? Why do we need to "square" and "cube" the angular velocities, in order to obtain time derivatives using the second order and third order kinematic coefficients, respectively? Q6. Consider a parabolic cam profile consisting of a rise-dwell-return-dwell cycle where the rise-cycle to full lift (L= 0.33 in) occurs over a 60° segment of shaft rotation. The shaft is turning at a constant speed of 100rpm. What is the velocity, acceleration and jerk of the follower at the mid-point of the rise-cycle? 07. If'the profile was now changed to a simple harmonic profile, what is the vecity, acceleration and jerk of the follower at the mid-point of the rise-cycle? Q8. If the profile was now changed to a cycloidal profile, what is the velocity, acceleration and jerk of the follower at the mid-point of the rise-cycle?

Explanation / Answer

1) Advantages of cams over other linkages are :

2) Wedge cams are used in

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