What are the different types or designs of harmonic reducers?

update:2023-07-03

abstract:Harmonic reducers, also known as harmonic drives, come in various types or designs. Here are some co...

Harmonic reducers, also known as harmonic drives, come in various types or designs. Here are some commonly used ones:

1.Cup Type: Cup-type harmonic reducers consist of a flexible cup-shaped outer ring, an elliptical inner ring, and a wave generator. The wave generator, typically an eccentric bearing, creates a wave-like motion that causes the flexible outer ring to deform and engage with the elliptical inner ring. This design offers high torque transmission capability and compact size.

2.Spline Type: Spline-type harmonic reducers use a spline connection between the wave generator and the flexspline. The flexspline is a thin, flexible ring with internal gear teeth, while the circular spline has external gear teeth. The wave generator generates a wave motion, causing the flexspline to engage and rotate the circular spline, resulting in speed reduction and torque amplification.

3.Pancake Type: Pancake-type harmonic reducers have a flattened design, with the wave generator placed parallel to the input and output shafts. This design allows for a compact form factor and low profile, making it suitable for applications with space constraints. Pancake harmonic reducers provide high torque output and precision control.

4.Torque Tube Type: Torque tube-type harmonic reducers consist of a hollow, elongated flexspline that is driven by an elliptical wave generator. This design allows for high torque transmission while maintaining compact dimensions. Torque tube harmonic reducers are commonly used in robotics and aerospace applications.

5.Spur Gear Type: Spur gear-type harmonic reducers utilize a set of involute gear teeth to achieve speed reduction and torque amplification. This design offers high torque capacity and accuracy, making it suitable for precision applications. Spur gear harmonic reducers are often used in industrial automation and robotics.

It's important to note that the design and construction of harmonic reducers may vary among manufacturers, and new variations or advancements in technology may result in additional types or variations. It's recommended to consult with specific manufacturers or suppliers to explore the available types and designs of harmonic reducers that best suit your application requirements.

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