Rolling abnormal operating characteristics and diagnostic techniques

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Will inevitably because of fake and shoddy bearings into the enterprise and equipment, these mobile bearing caused serious failure is often sudden, catastrophic. If the bearing cage sudden rupture of the bearing inner and outer ring the deflagration fracture, these failures will cause the rotor axle, heavy rotor or destruction of equipment. In recent years, we often encounter such situations in practice. The actual monitoring and diagnosis must quickly diagnose Rolling status is good or bad, and timely replacement of shoddy bearings to avoid big accidents. In a large number of such incidents, also accumulated some practical tips, is such bearings run after installation early to monitor the state of the vibration, and spectrum analysis. We found the bearings in the early running, its spectrum has its own unique characteristics, that is, the equipment, the frequency is generally not accounted for the main ingredients. But the little vibration gross judgment vibration is vibration standards (such as ISO2372 standard) qualified. roll bearings
At this point, it is necessary to arouse our vigilance, this state is that the performanc e of the bearing components flawed, its failure is often very fast and very suddenly. Cases that two hours after the test finished Figure rotor axle.
In the diagnosis of these fake bearing failure, pay attention to the accumulation of spectrum usually quality bearing the normal operation of the device and vibration time domain, and to facilitate a timely manner in the event of such abnormal spectrum judge bearing failure, prevent equipment accidents. ball roller bearing