What should I do if the processing noise of precision stamping parts is loud? 'Hardware'

What should I do if there is a lot of noise in the processing of precision stamping parts? 1. The basic requirements for controlling the accuracy of precision stamping parts. Gear accuracy: Verified by practice, gear accuracy must be controlled at GB10995-887~8, linear speed higher than 20m/s gear, pitch limit deviation, ring gear radial runout tolerance , Tolerance of the tooth direction must be stable and reach level 7 accuracy. 2. Civilized production More than 30% of the noise of precision stamping parts comes from burrs and bumps. Some precision metal processing factories remove burrs and bumps before assembling the gearbox, which is a passive approach. 3. Ensure the accuracy of the gear blank. The accuracy of the size of the gear hole is required to be distributed around the middle difference of the hole deviation value, set at ±0.003~±0.005mm; if it is out of tolerance and within the range of hole design requirements, it must be classified. Transfer to the gear cutting process respectively. 4. Control the quality of raw materials. The raw materials of precision stamping parts are a prerequisite for the production of high-quality products. Poor raw materials will cause a lot of noise in processing and production. Also want to know more, welcome to consult