Check status near the bearing at the oil seal to ensure that they are sufficient to prevent hot liquids, corrosive liquids and gas infiltration along the axis of the bearing oil seal if damaged should be replaced as soon as possible. Check the automatic lubrication system to ensure that the oil or grease into the bearing, and ensure that the correct amount of add check lubricant is discolored or black, if this situation usually indicates a lubricant containing impurities, this case bearing is harmful. Bearing failure and deterioration of performance status parameters to determine and predict the reliability and performance of the bearing, the site of the abnormal situation, because the degree of risk identification and judgment, decided to repair and improve the methods of comprehensive technology. Therefore, bearing fault diagnosis technology is not simply the fault detection (or monitoring) technology, is not a pure point inspection instrumentation. Right, quickly, effectively signal acquisition, data processing, manual or automatic identification and judgment. In order to determine the repair cycle of science, should be based on the types of failure mechanisms of fatigue, wear life necessary tests and estimates.
Bearing judgment is available to consider the degree of bearing damage, mechanical properties, the importance of operating conditions, to decide during the next overhaul. If you have the following defects can no longer use, must be replaced with new bearings. The inner ring, an outer ring, rolling elements, on any one of the holder there are cracks or notches. Bearing manufacturing ordinary multi-channel processing through forging, heat disposal, turning, grinding and assembly. Reasonable process, advanced, invariance can also affect the life of the bearing. The bearing quality thermal disposal and grinding processes, often have a more direct relationship with the bearing out efficiency. Seminar marked layer of the bearing task appearance metamorphosis in recent years, the close relationship of the grinding process and the bearing outer quality.


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