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Analysis of the Causes of Failure of NSK Self-aligning Ball Bearings
Source: China Bearing Network Time: 2017-11-26
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The application of the element mainly means whether the device adjustment, the application protection, the protection repair, etc. can meet the skill requirements. The device condition is one of the primary elements in the application of the element; the bearing often incurs the force condition between the parts of the whole bearing due to the improper installation of the device. Seizure changes; NSK self-aligning ball bearings operate under abnormal conditions and fail prematurely. According to the skill requirements of bearing device, operation, protection and protection; the load, speed, operating temperature, oscillation, noise received by the bearing in operation And smooth conditions for monitoring and viewing; find abnormalities immediately find the cause; make adjustments; make it normal recovery. In addition; it is also important to analyze the quality of smooth grease and surrounding medium and atmosphere.
The connotation elements mainly refer to the three major factors of structural bearing quality, such as structural depiction, production process and data quality.
First of all; the structural description is reasonable and has advanced; it will have a long bearing life. The bearing is usually produced through multiple processing steps such as casting, heat treatment, turning, grinding and installation. The rationality of each processing technology. The advanced nature and stability will also affect the life of the bearing. The heat treatment and grinding process that affect the bearing quality of the product are often more directly related to the failure of the bearing. In these years, the research on the external deformation layer of the bearing operation indicates The grinding process is closely related to the quality of the bearing appearance.
The metallurgical quality of NSK self-aligning ball 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 was analyzed in the 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 primary task of NSK self-aligning ball bearing failure 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 Sudden early failure of bearing attack.
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