Eight key points to pay attention to when installing and using a gearbox

Date:

2023-06-21

The efficiency of planetary reducers varies depending on the speed ratio, with output torque=input power * 9549/input speed * transmission ratio * efficiency. Helical gears can be seen as cylindrical gears made up of a group of thin toothed gears that are misaligned. This way, the contact of each plate is at different parts of the tooth profile, resulting in compensation for the error of each thin gear. This compensation effect is very effective due to the elasticity of the teeth, resulting in such a result, A gear tooth with an error of less than 10mm can average the error, so it can run smoothly under load like a gear tooth with an error of less than 1mm. Because at any instant, approximately half of the time (assuming a coincidence of approximately 1.5) there will be two teeth meshing, which brings additional benefits in terms of strength. Therefore, stress can be established on the basis of 1.5 times the tooth width, rather than one tooth width.
The increase in contact ratio of helical gears improves the performance of planetary reducers. The contact ratio refers to the number of gear teeth engaged at any given time. The typical contact ratio of spur gears is 1.5, while the contact ratio of helical gears can be doubled to 3.3. By increasing the contact ratio through helical gears, it can be obtained that compared with spur gear planetary reducers, the torque increases by 30% to more than 50%
Increase load sharing to extend service life
Smooth and quiet operation
Reduce back gap by 2 arcmin
The single stage planetary gear reducer can provide gear ratios ranging from 3:1 to 10:1. The gear ratio cannot be higher than 10:1 because the size of the pinion cannot be further reduced. The gear ratio cannot be lower than 3:1, otherwise the size of the small gear and the outer gear are almost the same, so there is no space to arrange the planetary gears. A gear ratio between 4:1 and 8:1 can provide the best size for small and planetary gears, improving performance and extending lifespan. A gear ratio greater than 10:1 can be obtained by adding a second stage planetary gear, but this usually increases the length and cost of the gearbox.

Keywords:

Reducer,stable

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