2.Cam Mechanisms A cam mechanism usually consists of two moving elements,the cam and the follower, mounted on a fixed frame. Cam Mechanism is a mechanism which is conveniently used to transform one of the simple motions,such as rotation,into any other motions,such as translation,oscillation
2. Cam Mechanisms ◼ A cam mechanism usually consists of two moving elements, the cam and the follower, mounted on a fixed frame. ◼ Cam Mechanism is a mechanism which is conveniently used to transform one of the simple motions, such as rotation, into any other motions, such as translation, oscillation
3.Application The cam has a very important function in the operation of many classes of machines,especially those of the automatic type,such as printing presses,shoe machinery,textile machinery,gear-cutting machines,and screw machines.In any class of machinery in which automatic control and accurate timing are paramount,the cam is an indispensable part of mechanism.The possible applications of cams are unlimited,and their shapes occur in great variety. Example (video)
3. Application ◼ The cam has a very important function in the operation of many classes of machines, especially those of the automatic type, such as printing presses, shoe machinery, textile machinery, gear-cutting machines, and screw machines. In any class of machinery in which automatic control and accurate timing are paramount, the cam is an indispensable part of mechanism. The possible applications of cams are unlimited, and their shapes occur in great variety. ◼ Example (video)
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4.2 Classification of Cam Mechanisms By Modes of Input/Output Motion By the configuration of the follower By shape of the cam By Force and form closure By arrangement of the follower By type of motion constrain By type of motion program
4.2 Classification of Cam Mechanisms ◼ By Modes of Input/Output Motion ◼ By the configuration of the follower ◼ By shape of the cam ◼ By Force and form closure ◼ By arrangement of the follower ◼ By type of motion constrain ◼ By type of motion program
Modes of Input/Output Motion Rotating cam-translating follower 配 2. Rotating cam-Rotating follower The follower arm swings or oscillates in a circular arc with respect to the follower pivot. 3. Translating cam-translating follower 驱什 A ⑤ 土
Modes of Input/Output Motion 1. Rotating cam-translating follower 2. Rotating cam-Rotating follower The follower arm swings or oscillates in a circular arc with respect to the follower pivot. 3. Translating cam-translating follower