Exam Questions on Cams and Pulleys

What is a cam? (2 marks)

What are the 3 stage of movement in a cam? (3 marks)

What are the 3 most common cam profiles? (3 marks)

What are the 3 different types of followers? (3 marks)

Explain the movement of a follower while the cam is at the dwell stage of its rotation? (1 marks)

What is the calculation for the velocity ratio in a pulley system? (3 marks)

If the diameter of the driven pulley is 50 and the diameter of the driver pulley is 100, what is the velocity ratio? (3 marks)

What is the calculation for the output speed of a pulley system? (3 marks)