The using factor mainly refers to the installation adjustment, maintenance, repairs, etc. to meet the technical requirements. Installation conditions is one of the primary factor, one of the bearing is often due to the installation of inappropriate force between the state in the entire bearing various parts change the bearings in the normal state of operation and early failure. Bearing installation, use, maintenance, maintenance, technical requirements, bear on the operation of the bearing load, speed, operating temperature, vibration, noise and lubrication condition monitoring and inspection, abnormal immediately find reasons to adjust to back to normal. In addition, the grease quality and the surrounding media and the atmosphere are also very important to carry out analytical testing.
The internal factors mainly refer to three major factors of the decision bearing the quality of structural design, manufacturing processes and materials quality.
First of all, reasonable structure design have advanced nature will have a longer bearing life. The manufacture of bearings generally have to go through a multi-channel processing such as forging, heat treatment, turning, grinding and assembly. The rationality of the process, advanced, stability will also affect the bearing life. Which affect the quality of the finished bearing heat treatment and grinding process, and often have a more direct relationship with the bearing failure? In recent years, the grinding process and the quality of the bearing surface is closely related to the bearing surface deterioration layer.
NSK Bearings materials metallurgical quality once impact rolling bearings early failure of the main factors. Metallurgical technology (such as advances in bearing steel vacuum degassing, etc.), raw material quality is improved. The proportion of raw material quality factors in the analysis of bearing failure has decreased significantly, but it is still one of the main factors bearing failure. The selection of the adequacy of the still bearing failure analysis must take into consideration.
NSK Bearing failure analysis of the main task is under a lot of background material, analysis of data and failure modes to identify the main factors that cause bearing failure, so that targeted improvements, to extend the length of service of the bearing to avoid bearing occurrence of sudden onset of early failure.



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