Affect the INA bearing service life

Of the factors affecting the service life of bearing used may have a lot of, can from the use of elements and the connotation has further clarified. Using elements first if refers to device adjustment, use, maintenance, repair and other care can fit technology request. According to INA bearing assembly, use, maintenance, the technical request, care for the bearing of load operation, speed, temperature, vibration, noise and lubrication premise to suspend monitoring and checking, found abnormal immediately find the notice, to suspend the adjustment, so that it is back to normal. Device the premise is to use one of the primary elements of elements, bearing often incur by device is not suitable for the stress of the bearing between the parts of a complete set of temper change, bearing under the condition of abnormal operation and early use of the end of the life connotation elements first if refers to the structure design, manufacturing process and quality of choice of three general bearing quality. Imported bearing materials metallurgy quality were the primary factors causing the failure of the rolling bearing early. Follow the metallurgical technology ( For example, the bearing steel vacuum degassing, etc. ) The increase of the original data quality improvement. Raw material quality factor in the bearing failure analysis share had decreased obviously, but it is still one of the primary influence factors of bearing failure. Can select material is suitable for the elements is still bearing failure analysis must be thinking. Late fault character of rolling bearings rolling bearing fault feature late show to the severe fault ( Is commonly INA bearing damage, such as holding shaft, burns, sand spallation, raceway, wear beads, etc. ) Most of time not more than a week, the bigger the equipment capacity, the faster the speed, the shorter the time interval. Therefore, in the actual fault diagnosis of rolling bearing, once found late fault characteristics, should be decisive judgment is bearing fault, arrange inspection as soon as possible. Rolling bearing vibration and noise began to increase the movement after a period of time, maintain a certain level of vibration and noise, the spectrum is very single, only one or two times the frequency. More than three times the power frequency spectrum, seldom appears INA bearing condition is very stable, steady working period. Continue to run into the use of late, after rolling bearing vibration and noise began to increase, sometimes a different sound, but the change of vibration increase is relatively slow, at this point, the imported bearing kurtosis value began suddenly reaches a certain value. We believe that the rolling bearing is characterized by the early failure. Pop to bearing manufacturing through forging, hot freedom, turning processing, grinding and assembly process. The rationality of the processing technology, advanced, stability will also affect the service life of bearing. Freedom and affecting the quality of scrap bearing grinding process, often have a more direct relationship with bearing failure. Layer of bearings working surface transformation in recent years of the study indicate that is close to the grinding process and the surface quality of bearing. INA bearings using the first obligation of life is based on a large entourage of information, analyze the data and the failure pattern of postures, find a bearing failure of the primary elements, so improvement measures are put forward, and delay the retirement period of bearing, avoid anger burst in the early failure of the bearings.