Zhuochuang Elite Informs You About The Types Of Reducers
2026/02/04
1. Worm Gear Reducers: The main characteristics of worm gear reducers include a reverse self-locking capability and the ability to achieve a high reduction ratio. The input shaft and output shaft are not on the same axis nor on the same plane. However, they are generally larger in size, with lower transmission efficiency and precision.
2. Harmonic Drive Reducers: Harmonic drives utilize the controllable elastic deformation of a flexible component to transmit motion and power. They are compact in size and offer high precision. The drawbacks include a limited lifespan for the flexspline, low impact resistance, and rigidity that is inferior to metal components. The input speed cannot be too high.
3. Planetary Gear Reducers: The advantages of planetary gear reducers include a relatively compact structure, small backlash, high precision, a long service life, and the ability to achieve high rated output torque. Their price is slightly higher.
The working principle of a reducer varies depending on its type. Currently, planetary gear reducers are considered to offer superior performance. The transmission mechanism of a planetary gear reducer consists of gears. Its schematic is simple to imagine: picture one large circle and one smaller circle, both concentric. In the annular space between them, there are three other small circles. Among all the circles, the largest one is the internal gear ring (ring gear). The other four smaller circles are all gears. The one in the center is called the sun gear, and the other three are called planet gears. The servo motor drives the sun gear of the reducer. The sun gear then drives the planet gears, which are supported by the internal gear ring. The planet gears, through their meshing with the outer gear ring (typically the ring gear is stationary or acts as the output, depending on design), drive the output shaft connected to the transmission element, achieving the purpose of speed reduction. The reduction ratio is related to the specifications of the gear train. As for model selection, it depends on the model of the servo motor used and the technical requirements of the application.
Dongguan Zhuochuang Precision Machinery Co., Ltd. specializes in the production and sales of high-precision double-supported planetary gear reducers. They feature high rigidity, high precision, and low noise, and can fully replace Taiwan APEX reducers and Li Ming reducers.
