How to adjust the accuracy of planetary reducer?

Regardless of the lubrication effect of the planetary 

 reducer, friction will still occur when the planetary reducer is started. This friction will cause changes 

in the size, shape and surface quality of the relevant parts, which will lead to wear and increase the fit 

clearance between the relevant parts. Therefore, when the gap exceeds a reasonable range, the accuracy 

needs to be adjusted. How to adjust the accuracy of planetary reducer? The editor of Tuoda official website 

will introduce to you.

1. Adjust the guide precision of the guide rail

In general mechanical equipment, 

whether the gap between the guide rails is appropriate, usually a 0.03 mm or 0.04 mm thick feeler gauge is 

inserted into the end face, and the insertion depth cannot exceed 20 mm. If the guide rail gap is improper, 

it should be adjusted in time.

2. Adjustment of the gap between the screw and nut of the worm gear screw 

elevator

Screw elevator nut drive is a commonly used screw drive mechanism. The combination of screw rod and 

nut is difficult to achieve no gap. Especially after a period of use, due to wear and tear, the gap will 

increase and affect the normal operation of the equipment. Therefore, in the process of equipment 

maintenance, attention should be paid to eliminate the gap between the guide rod and the nut.

3. Adjustment 

of spindle rotation accuracy of planetary reducer

If the machining error of the spindle itself meets the 

requirements, the rotation accuracy of the reducer spindle is generally determined by the bearing. The key 

to adjusting the spindle rotation accuracy is to adjust the bearing clearance. Maintaining a proper bearing 

clearance is critical to the performance of spindle components and bearing life. For rolling bearings, when 

there is a large gap, not only will the load be concentrated on the rolling elements in the force 

direction, but also serious stress concentration will occur at the contact between the inner and outer 

races of the bearing, which shortens the life of the bearing.

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