Mechanical Engineering > QUESTIONS & ANSWERS > Homework 2 - Advanced linkage analysis - University of Illinois, Urbana Champaign ME 370 (All)

Homework 2 - Advanced linkage analysis - University of Illinois, Urbana Champaign ME 370

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Homework 2 (30 points) ME 370 Spring 2020 1 Name 1. Schmidt Coupler (10 points) The mechanism on the left, called a Schmidt coupler, is used to transmit rotational motion between 2 parallel shaf ... ts with small offset. Watch the following videos: https://www.youtube.com/watch?v=PKXc7EzgJh4 https://www.youtube.com/watch?v=-ymq2IkL4aI a) From the videos, how many degrees of freedom do we expect in this mechanism? Explain. (1 pts) b) Sketch an equivalent kinematic diagram, with links, joints and grounds clearly identified. Assume both the input and output shaft are fixed in position with respect to ground but allowed to freely rotate. (3 pt) c) Calculate the degrees of freedom. (2 pt) d) Does the computed DOF match the DOF observed? Explain the difference. (1 pts) e) How do we correctly compute the number of degrees of freedom in this mechanism? Do it! Identify the kind of degrees of freedom. e.g. translation vs rotation (2 pts) f) If the additional links do not contribute to the degrees of freedom, why are they still included in the mechanism? (1 pt) [Show More]

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