Nowadays, planetary reducer is a kind of automatic centralized control equipment that is widely used in industrial production and automatic control. Planetary reducer is widely used in industrial production and automatic control. Why is the planetary reducer so accurate?
First of all, let's understand the transmission principle of the planetary gear reducer: the planetary gear reducer is a mechanism to adjust the transmission power. The speed converter of the gear configuration mode is used to reduce the rotation number of the motor to the required rotation number, so as to obtain greater torque. Planetary reducer adopts gear transmission at all levels to achieve the purpose of speed reduction. The reducer is composed of gear pairs at all levels. For example, the small gear can drive the big gear to achieve a certain reduction, and the multi-level structure can reduce the speed.
Due to the size error and shape error of the hole diameter, the poor fit between the bearing and the hole, as well as the coaxiality error of the holes on the same axis and the vertical error of the hole end to the axis, will cause the shaft and the bearing to be assembled into the box skewed, resulting in the radial and axial circular runout of the main shaft, and exacerbating the axial wear. Therefore, the manufacturer has high machining accuracy requirements for the dimensional accuracy, surface roughness, shape accuracy and position accuracy of the planetary reducer.
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