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homework6c.spring11 - (iv The coordinates of the point of...

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ME 352 - Machine Design I Name of Student ____________________________________ Spring Semester 2011 Lab Section Number ________________________________ Homework No. 6. Cam Design. Chapter 6. Part I (30 points). Due at the beginning of lecture on Friday, March 4th. Consider the cam-follower system presented in Problem 6.28 on pages 328 and 329. At the cam angle , 225 o θ = determine numerical values for: (i) The first, second, and third-order kinematic coefficients of the displacement diagram. (ii) The radius of the curvature of the cam surface. (iii) The unit tangent and normal vectors to the cam at the point of contact with the follower.
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Unformatted text preview: (iv) The coordinates of the point of contact between the cam and the follower. Express your answers in the moving Cartesian coordinate reference frame attached to the cam. (v) The pressure angle of the cam. Is your answer acceptable for this cam-follower system? Part II (30 points). Due at the end of lab on Wednesday, March 9th, and Thursday, March 10th. Solve Problem 6.28 on pages 328 and 329. Templates to draw the lift curve and the cam profile will be provided by your TA....
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