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  3. write a report of your findings on the two mechanisms...

Question: write a report of your findings on the two mechanisms...

Question details

Write a report of your findings on the two mechanisms with your recommendations. You should include plots of the results for the length of AD, the force of the collar on AC at D and the required moment at A to keep the mechanism in equilibrium for both mechanisms. Remember to follow APA formatting guidelines.

Part A, Baseline Mechanism

You are on a design team working on a robotic mechanism and have been assigned the analysis of this part of the mechanism. The part for you to analyze is shown below. This machine has an actuator at point A that needs to apply a couple at point B of up to 2.5 N m. The angle range at point B is from 20 to 120 degrees. You need to determine the maximum torque (couple) required of the actuator at point A and the minimum length of rod AC. The angle range for the actuator at A should also be reported.

200 mm 2.5 N·m ty 150 mm

You will plot the results for the length of AD, the force of the collar on AC at D and the required moment at A to keep the mechanism in equilibrium as functions of the angle at B. The approximate solutions with the angle at B equal to 20 degrees are:

  • Length of AD = 78 mm
  • Force of the collar on rod AC at D = 17 N
  • Couple at A = 1.3 N m

Part B, Modified Mechanism

The lead designer would like to move the actuator at A 100 mm to the left. You need to analyze the new mechanism with the distance from A to B now modified to 250 mm.

Plot and discuss your results and recommendations on the modified mechanism.

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