How to improve the carrying capacity of the reducer?

1. Increase the contact stress of the gear ring
The check strength of the reducer is usually to check the transmission contact stress of the sun gear-planetary gear, the bending stress of the sun gear planetary gear, and the transmission contact stress of the planetary gear internal gear. The contact stress of the gear ring usually fails first, so if you want to increase the load-bearing capacity, you must first ensure the contact stress of the gear ring.
2. Gear modification
Tooth profile trimming, root trimming and tooth end trimming are better ways to improve the transmission performance of heavy-duty gears, because for heavy-duty gears, general tooth end trimming can prevent tooth end overload caused by tooth orientation errors.
3. Adjustment of displacement coefficient
The correct selection of the displacement coefficient can increase the load carrying capacity of the gear by 20% to 30%.
4.Control gear precision and error
Tooth surface strength is not only related to the gear accuracy grade, but also to the absolute value of the base pitch error. If the base pitch error of the reducer gear is large, the rolling pressure on the gear teeth is also large.
5. Tooth root strengthening
The bending strength of the gear has a great relationship with the surface condition of the tooth root, especially the carburized and quenched gear has defects such as decarburized layer on the surface of the tooth root. It is difficult to ensure the residual pressure and reduce the bending fatigue strength of the tooth root, so root strengthening measures are taken. Improve fatigue strength.
6. increase the tooth width
When the outer diameter of the transmission is unchanged, the width of the internal reducer gear can be appropriately increased, which can effectively increase the carrying capacity of the gear.
7. increase the gear module, increase the tooth profile angle
The outer diameter size remains the same, and the load capacity needs to be increased, which can be met by reasonably increasing the gear module and reducing the number of gear teeth.