What Is The Working Principle of The Planetary Gear Reducer?

The working principle of the planetary gear reducer is to use a sun gear as the input shaft, and planet gears around the sun gear as the output shaft. The planet gears are connected to each other through a ring gear, and the speed ratio is determined by the number of teeth on each gear.

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The advantages of using a planetary gear reducer

How does a planetary gearmotor work?

What is the floating load sharing mechanism of the basic component of the planetary gearmotor?

The advantages of using a planetary gear reducer

A planetary gear reducer is a device that is used to change the speed or torque of a rotating shaft. The reducer consists of two or more gears that are mounted on a common carrier. The carrier is mounted on a central shaft, and the gears rotate around the shaft. The number of teeth on the gear determine the reduction ratio.

The main advantage of using a planetary gear reducer is that it can handle high loads without requiring a large amount of space. The reducer is also very efficient, and can achieve ratios as high as 100:1. Another advantage is that the gearing arrangement allows for a smooth transition of power, which reduces vibration and noise levels.

How does a planetary gearmotor work?

A planetary gearmotor is a mechanism that adjusts the rotational speed and transmission power. It uses a gear-configured speed converter to reduce the number of revolutions of the motor to the desired number of revolutions and obtain a larger torque. The miniature geared motor uses all levels of gear transmission to achieve the purpose of speed reduction. The reducer is composed of gear pairs at all levels. For example, a small gear can be used to drive a large gear to achieve a certain purpose of deceleration, and then a multi-stage structure is adopted. , the speed can be greatly reduced.

What is the floating load sharing mechanism of the basic component of the planetary gearmotor?

The so-called "floating" means that the basic components (sun gear, planet carrier, internal gear) are not supported radially, allowing them to make radial and deflection displacements. When the load is unbalanced, it can automatically find the balance position (self-centering) until the load is evenly distributed among the planetary gears. Its essence is to increase the degree of freedom of the mechanism by floating the basic components to eliminate or reduce the virtual constraints, so as to achieve the purpose of load sharing. Among the three basic components, as long as one of them floats, it can play the role of load sharing, and the effect of two basic components floating at the same time is better. Common types are as follows.

1) Sun gear floating

2) Internal gear floating

3) Planet carrier floating

4) The sun gear and the planet carrier float at the same time

5) The sun gear and the internal gear are floating at the same time

6) The floats that make up the statically determinate structure

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