CAM AND FOLLOWER

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A cam and follower, also known as a cam-follower or cam-follower pair, is a mechanical component consisting of a cam that rotates or oscillates and a follower that moves along the path generated by the cam's shape. The follower may be a sliding or rolling contact, and it translates the rotary motion of the cam into linear motion, which can then be used to open and close valves, operate mechanisms, or perform other functions in various machines and devices.