A flat link mechanism that converts rotation and movement with a crank and a slider, also called a crank linkage mechanism.
The member of the crank slider mechanism that constitutes the moving pair with the frame is a slider, and the member that connects the crank and the slider by the rotating pair A and B is a link.
When the mechanism moves, such as the trajectory of the hinge center B does not pass through the rotation center OA of the crank, it is called the offset crank slider mechanism, where e is the offset.
If different components are used as the frame, the rotating guide mechanism, the crank rocker mechanism and the moving guide mechanism can be obtained.
If the guide rod and the slider in the crank rocker mechanism are reversed, the swing guide mechanism is obtained.
If the track mm of the slider B passes through the OA, it is called a centroid crank slider mechanism.
The crank slider mechanism is widely used in the main mechanism of reciprocating piston engine, compressor, punching machine, etc., and converts the reciprocating movement into rotary motion that is not a full circumference or an entire circumference;
The compressor and the punching machine use the crank as the active member to convert the entire circumference into a reciprocating movement.
The slider of the offset crank slider mechanism has a snapback characteristic.
The sawing machine uses this feature to achieve the slow forward and empty return of the saw blade.
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