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How to choose the gear parameters of planetary reduction gearbox


It is very important to select the gear parameters of the planetary reducer, because this will directly affect the working effect and noise level of the reducer.Here are some suggestions on how to select the gear parameters of a planetary reduction gearbox:

Pressure angle: Choosing a smaller pressure angle can reduce operating noise, usually the value is 20°. Smaller pressure angles help reduce shock and noise during engagement.

Helical gears: Where the structure permits, helical gears are preferred. Helical gears have lower vibration and noise levels than spur gears, and are generally used with a helix angle between 8° and 20°.

Number of teeth: On the premise of meeting the bending fatigue strength, a larger number of teeth should be selected, which can improve the coincidence of the gears, make the drive more stable, and reduce noise. The number of teeth of the large and small gears is preferably co-prime to disperse and eliminate the impact of gear manufacturing errors on the drive.

Precision grade: Choose gears with high precision grade as much as possible within the economic range. Gears with higher precision grades produce much less noise.

Backlash: When selecting the backlash, it should be determined based on the characteristics of the drive. If the drive is pulsating rotation, a smaller backlash should be selected; if the load is more balanced, a slightly larger backlash should be selected.

Through the above suggestions, the gear parameters of the planetary reducer can be better selected, thereby achieving the purpose of reducing noise and improving work efficiency. When producing planetary reducers, ensuring that appropriate gear parameters are selected will help produce a high-quality, low-noise product.

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