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What are the basic components of harmonic reducer

update:2022-08-04
abstract:The harmonic reducer is an important part of the robot, and is generally used in the forearm, wrist ...

The harmonic reducer is an important part of the robot, and is generally used in the forearm, wrist or hand of the robot. With the increase of labor costs in my country, the trend of robots replacing labor is becoming more and more obvious, and the advantages of products produced by robots with good consistency and high assembly accuracy are also more and more valued by manufacturers.
Therefore, the demand for robots in my country is also increasing. As one of the important components of robots, the demand for harmonic reducers is also increasing. So what are the basic components of a harmonic reducer?

The harmonic reducer is mainly composed of three basic components, namely the wave generator, the flexible wheel and the rigid wheel.

1. Wave generator: composed of flexible bearings and elliptical cams.

2. Flexible wheel: thin-walled metal elastomer part with outer gear ring.

3. Rigid wheel: a rigid annular part with an inner gear ring, generally 2 more teeth than the flexible wheel.
The wave generator rotates continuously, forcing a point on the flexible wheel to change its position continuously. At this time, at any point of the pitch circle of the flexible wheel, along with the angular movement of the wave generator, a symmetrical harmonic wave is formed. , so it is called a harmonic reducer. When it is used, the wave generator is usually active, the rigid wheel is fixed, and the flexible wheel is output.

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