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  • 8月 31, 2020
  • News

Compared with cylindrical gear reducer transmission, the planetary gear reducer transmission has many unique advantages. Its remarkable features are: it can carry out power diversion when transmitting power;
At the same time, its input and output axes are coaxial, i.e. both the output axis and the input axis are set on the same spindle.
Therefore, the planetary gear reducer transmission is now used instead of ordinary gear drive, but as a variety of mechanical rotation system growth and transmission devices. The main features of planetary gear reducer transmission are as follows.

1, smooth movement, strong ability to resist shock and vibration.

Thanks to the use of several planetary wheels with the same structure, they are evenly distributed around the center wheel, thus balancing the sexual forces of the planetary wheel with the rotating arm. Coaxial gearbox at the same time, also make the number of teeth involved in meshing increase, so the planetary gear transmission movement is smooth, the ability to resist shock and vibration is strong, more reliable work.

2, the transmission is relatively large, can achieve the synthesis and decomposition of motion.

As long as the appropriate selection of the type of planetary gear transmission and the ratio of teeth, you can use a few gears to obtain a large rotation ratio. In the transmission of the planetary gear reducer, which is used only as a transmission motion, the transmission ratio can reach several thousand. It should be pointed out that the planetary gear drive can still maintain many advantages such as compact structure, small mass and small size when its transmission ratio is large. Moreover, it can also realize the synthesis and decomposition of motion and the complex motion of various variable speeds.

3, planetary gear reducer small size, small mass, compact structure, large carrying capacity.

Planetary gear drives are very compact due to their power serraging and coaxial transmission of the central wheels, as well as the reasonable application of in-house meshing gear joints. The fact that several planetary wheels are evenly distributed around the center wheel to share the load makes each gear less loaded and allows the gears to use smaller modules. In addition, the coaxial gearbox makes full use of the capacity of the internal meshing carrying capacity and the inner ring itself, thus helping to reduce its profile size, so that it is small in size, small in mass, very compact in structure, and has a large carrying capacity. In general, the outer profile size and mass of the planetary gear drive is about 1/2 to 1/5 of the normal gear drive? (i.e. under the same load conditions).

4, the planetary gear reducer transmission efficiency is high.

Because of the symmetrical structure of planetary gear transmission, that is, it has several uniform distribution of planetary wheels, so that the reaction forces acting on the center wheel and the rotating arm bearings can be balanced with each other, which is conducive to improving transmission efficiency. The efficiency value can reach 0.97 to 0.99 under the condition that the transmission type is selected properly and the structure is arranged reasonably.

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