Angular contact ball bearing seal technology for noise prevention methods

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Bearing noise control is an important source of pollution of the environment, but also the bearing industry, especially for home appliances, office machinery, instrumentation, angular contact ball bearing noise limit is more prominent. Ov er the past years, China s bearing industry in reducing bearing noise a lot of work, bearing noise level has greatly improved, compared with foreign countries, there is still a certain gap, users reflect the prominent "different tone" that the sudden sound of an irregular bearing operation, even screams. Many influencing factors bearing noise is also very complex, the need to analyze the study, from the overall design of the bearing, each bearing parts - the inner ring, outer ring, cage, rolling element and lubricants (grease) from the angular contact The materials used for each part of the ball bearings, plus of -1-212 arts process even works, equipment, technology and materials to analyze the study. This bearing noise technology.slewing bearing
Rolling bearings causes and prevention of corrosion Rolling corrosion is caused by a variety of internal and external factors, summed up:
1, the metal su rface finish (oxygen concentration cell corrosion).
2, the metal material itself, the chemical composition and structure.
3, in contact with the metal surface of the solution composition and the pH value;contact ball bearing
4, the ambient temperature and humidity.
5, and the metal surface in contact with a variety of environmental media.
6, the other person s sweat is also corrosion caused by angular contact ball bearings, its pH 5 to 6. So, in order to prevent corrosion caused by hand sweat, installation and production personnel should wear gloves, it should not touch the rolling bearing.
Coated with anti-rust oil to prevent rolling bearing rust
1, soak method: some small rolling bearings soaked in rust oil, the oil film thickness can be achieved by controlling the the antirust oil temperature or viscosity. Its surface adhesion layer antirust oil.cylindrical bearings
Brushing method: Brush Note evenly coated in the bearing surface, do not produce accumulation, we should pay attention coated to prevent leakage.
Spray method: some large rust-proof material not suitable for oiled soak method generally about 0.7Mpa pressure filtered compressed air in place of the air cleaning spray. Spray method applies the solvent dilution rust oil or a thin layer of anti-rust oil. Such methods must be adopted to improve fire safety and labor protection measures.china roller bearing