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What are the “factors that affect the life of INA bearings�
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The intrinsic element refers to the three sketches of the choice of bearing quality, such as structural design, manufacturing process and material quality.
The metallurgical quality of imported bearing materials used to be 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 raw materials has improved. The proportion of raw material quality elements in bearing failure analysis has been Significantly reduced; but it is still one of the primary influencing factors of bearing failure. The suitability of the material selection is still an essential factor for bearing failure analysis.
Rolling bearings show late-stage faults. Rolling bearings exhibit late-stage fault characteristics to present serious problems (usually INA bearing damage such as axles, burns, sand cracks, raceways, bead wear, etc.) do not exceed one week at most; Large; the faster the speed; the shorter the interval is. Therefore; in the practice of rolling bearing fault diagnosis; once the late fault characteristics are found; the bearing should be judged to be faulty; quickly organize maintenance.
The oscillation of the rolling bearing and the beginning of the noise increase the movement for a period of time; the oscillation and noise are kept at a certain level; the spectrum is very simple; only one or two times the frequency is present. The spectrum of three times the power frequency is rarely presented; the INA bearing condition is very stable; Period. After continuous operation, it enters the late stage of operation; rolling bearing oscillation and noise start increase; sometimes it shows abnormal sound; but the change of oscillation increase is slower; at this moment; the initial value of the imported bearing kurtness suddenly reaches a certain value. We think that; Expressed as an initial problem.
The production of bearings is obviously through multiple processing steps such as casting, heat treatment, turning, grinding and installation. The rationality, advancement and stability of each processing technology will also affect the bearing life. The heat affecting the quality of scrap bearings. Processing and grinding processes; often have a more direct relationship with the failure of the bearing. These years marked the study of the surface of the bearing operation; the grinding process is closely related to the quality of the bearing appearance.
The primary responsibility of NA bearing for life-cycle analysis is to identify the primary elements that make up the bearing failure based on a number of landscape materials, analytical data, and failure modes; to provide an improved approach to alignment; to delay the decommissioning of the bearing; Prevent the early failure of sudden onset of bearing fire.
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