How to reduce gear noise during reducer operation
How to reduce gear noise during reducer operation:
Reducing gear transmission noise during reducer operation has become an important research topic in the industry. Many scholars at home and abroad regard the change of gear mesh stiffness in gear transmission as the main factor of gear dynamic load, vibration and noise. The dynamic load and speed fluctuation are minimized by means of modification, so as to reduce the noise. This method has proved to be a more effective one in practice. However, with this method, the process requires shape modification equipment, which is often impossible for large, medium and small factories to implement.
After many years of research, a gear design method is proposed to reduce or avoid the impact of meshing pitch circle by optimizing gear parameters, such as modification coefficient, tooth height coefficient, pressure angle and center distance, so that the meshing impact speed can be minimized, and the ratio of meshing impact speed to meshing impact speed is within a certain numerical range, which can also significantly reduce gear noise.
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