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How to deal with the noise of Japanese NTN bearings during use

Source: China Bearing Network Time: 2018-03-30

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1. Scar sound and its control method If there is crack, indentation or rust on the rolling surface of the rolling bearing, it will have periodic oscillation and noise like riveting rivets; its period can be fixed but most of it corresponds to the speed. Contact; the scar will continue to attack on the channel; the scar will appear on the steel ball at a time; and this noise has a certain change with the equipment and lubrication conditions.
The control methods of this type of noise are: when the equipment is not tapping the NTN imported bearing; when the imported bearing is assembled with the shaft and then loaded into the NTN bearing seat, the bearing is inclined, the bearing corrosion is avoided during inventory and the shock oscillation is avoided during transportation. High viscosity grease.
2. Dust sound and its control method There are dust and other foreign objects in the rolling bearing; non-periodic oscillations and so-called dust sounds occur; the oscillation and noise are uncertain; and there are or none.
The dust sound control method includes: improving the removal method of NTN bearing; the imported bearing, shaft, seat hole and general fitting parts are all severely clean and clean before the equipment, the foreign matter in the lubricant is eliminated, the sealing of the NTN bearing is improved, and the use of materials is avoided. Plastic or pure plastic embedded in the frame.
3, the noise caused by the lubrication factor and its countermeasures lubricant selection fault, lack of lubricant or aging induration; can cause NTN imported bearings oscillation and noise; and this noise does not have the necessary rules. About this situation; Select the appropriate lubricant; adjust the amount of lubricant; extend the service life of the lubricant and determine the conversion cycle reasonably.

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