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2023
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Harmonic Drive, the principle and applications of Harmonic Drive.
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Harmonic reducers are a new type of precision mechanical transmission device used in modern industrial production. Compared to traditional gear reducers and cycloidal pinwheel reducers, harmonic reducers have the following advantages:
The transmission accuracy of harmonic reducers can reach 0.1-1.0 arc minutes, which is much higher than that of traditional reducers;
The single-stage transmission ratio of harmonic reducers can reach 1:100, and after multi-stage combination, a larger transmission ratio can be achieved;
After stopping work, harmonic reducers will not cause the transmission system to shake or move due to the reversal of the load;
Harmonic reducers adopt a new type of transmission method, with low friction loss, reducing energy consumption;
Harmonic reducers have a simple structure and are easy to install, allowing mechanical components to be directly embedded into other mechanical transmission systems through a hollow shaft.
1. Structure and Working Principle
Harmonic reducers mainly consist of a flexible gear pair and a wave generator. The flexible gear pair is composed of an inner and outer flexible wheel and gear slots, which not only achieves gear transmission but also eliminates the gap between gears. The wave generator converts the rotational motion of the input shaft into harmonic motion through the friction between steel balls and a dividing plate, driving the flexible gear pair to achieve the reduction effect.
2. Applications in the Robotics Field
Harmonic reducers have a wide range of applications in the robotics field. Since the movements of robots require precise motion control and high-intensity loads, traditional reducers are difficult to meet these requirements. Harmonic reducers not only have advantages such as high precision and large transmission ratios but also meet the dynamic requirements of robots, improving the speed and accuracy of robot movements.
3. Applications in the 3D Printing Field
Harmonic reducers also have extensive applications in the 3D printing field. 3D printers require high-speed and high-precision linear and circular movements, which traditional reducers struggle to achieve. Harmonic reducers can not only achieve high-precision motion but also have good self-locking properties and easy installation, which can improve the operational efficiency and production quality of 3D printers.
4. Applications in the Solar Power Generation Field
Harmonic reducers also have important applications in the solar power generation field. Solar power generation equipment needs to have high efficiency, safety, and stability, which traditional reducers cannot meet, and they require long-term maintenance. Harmonic reducers can not only improve the steering accuracy and speed control of solar panels but also have long service life and high reliability.
5. Development Prospects
As a new type of precision mechanical transmission device, harmonic reducers have advantages such as high precision, large transmission ratios, energy efficiency, and good self-locking properties. With the continuous development of modern industrial production, harmonic reducers will be more widely applied in various fields, especially in robotics, 3D printing, aerospace, electronic devices, and machinery manufacturing, with broad market prospects.
In summary, harmonic reducers, as a new type of precision mechanical transmission device with broad application prospects, will demonstrate more advantages and value in future development.
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