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Reasons for affecting the service life of SKF bearings
Source: Bearing network time: 2014-03-27
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The application of the first element refers to whether the device adjustment, application protection, protection and repair can meet the skill needs. According to the SKF bearing device, application, protection, protection skills requirements; the load, speed, operating temperature, oscillation of the bearing in the operation , noise and smooth conditions for monitoring and viewing; find abnormalities immediately to find reasons; make adjustments; make them recover normally. Device conditions are one of the primary elements in the application of the elements; bearings often cause the entire set of bearings between parts due to improper installation The stress condition changes; the bearing operates under abnormal conditions and finishes the use of the life. The connotation element refers mainly to the three major factors of structural quality, such as structural design, manufacturing process and data quality.
The metallurgical quality of imported bearing data was once the primary factor affecting the early failure of rolling bearings. Following the advancement of metallurgical skills (such as vacuum degassing of bearing steel); the quality of the original data was improved. The original data quality factor accounted for in bearing failure analysis. The proportion has been significantly reduced; but it is still one of the primary factors affecting bearing failure. Whether the selection of materials is appropriate or not is still an essential element for bearing failure analysis.
The bearing is usually produced through multiple processing steps such as casting, heat treatment, turning, grinding and installation. The rationality, advancement and stability of each processing process will also affect the bearing life. The heat treatment that affects the bearing quality of the product. And the grinding process; often has a more direct relationship with the failure of the bearing. In these years, the research on the surface of the bearing operation is marked; the grinding process is closely related to the quality of the bearing appearance.
The primary task of SKF bearing life analysis is based on a lot of set data, analysis data and failure modes; find out the primary factors for bearing failure; to propose an improvement method in an aligned manner; extend the service life of the bearing; prevent the bearing Sudden early failure.
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