Some noise problems and solutions for forward and reverse rotation of gear reducers

When a gearbox is put into use, it often produces noise due to some issues. Even when we use reducers that use high-quality low-carbon alloy steel to reduce noise and vibration, sometimes noise and vibration still occur. So different types of noise have different causes and solutions. Here, we will briefly talk about how to deal with the problem of noise in the forward and reverse rotation of gear reducers.

The most important thing before solving a problem is to grasp the root cause and find the cause of the noise in order to effectively solve it. There are two main reasons for noise generated during the use of gear reducers: one is the concentricity error of the output shaft of the cycloidal pinwheel reducer, and the other is the direction error in the rotation between the shells, resulting in noise. The solution to the generation of these two types of noise is slightly simpler, by improving the accuracy of the product during production and processing. Of course, there are other issues besides these two, so there are also more and more noise reduction methods available.

1. In order to achieve dispersion or eliminate the impact of gear manufacturing errors on transmission, it is necessary to ensure that the number of large and small gears in the reducer is mutually exclusive, while also avoiding noise caused by the meshing of certain teeth on the large and small gears. Of course, it should be carried out while meeting the transmission requirements.

2. When the center distance of the reducer reaches a certain value, a gear with a larger number of teeth should be selected for operation, which can improve the overlap, make its transmission stable, and reduce noise.

3. When the helix angle of the reducer is between 8 degrees and 20 degrees, helical gears can be used for operation. Because compared to spur gears, helical gears can effectively reduce the impact of vibration noise without affecting working performance.

4. To prevent noise caused by low accuracy, high-precision gears can be selected during production processing, but the cost is slightly higher. However, this is indeed a good method for reducing noise.