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8.12 - Cam Toy: Cams
The simplest cam is a wheel with an axel fitted off centre. As the wheel rotates its edge goes up and down. A cam follower resting on the edge of the cam will also go up and down.
The Pear Shaped Cam
This shape cam does not produce a continuous up and down movement. There is a long dwell period.
Dwell
Homework -Where are cams used? Draw and explain two examples of cams in use.
Hint - cars and motorcycles make use of cams, so do toys.