-Online monitoring technology of bearing fatigue by magnetic alarm:
When you fatigue spalling in bearing, falling metal debris with lubricating oil flow alarm device of magnetic dust collector. Within its deposition down at the same time, due to the magnetic ring magnetic effects, scrap metal is firmly within the clearance between the sleeve and the poppet valve, signal conduction within the circuit through the scrap metal in gap, send a light signal or sound signal and alert fatigue.
-Online monitoring technology of bearing outer ring displacement monitoring method:
Such a device will be high-frequency domain and frequency domain sensor signal is divided into two parts, most associated with the rotor fault signals occur at a relatively low frequency domain, typical fault signal is 10 times less than rotation speed, and high-frequency signals respectively associated with the bearing inner and outer rings or body injury.
-Radioactive tracer method of online monitoring technology of bearings:
In fact, monitored by this method to determine the bearing wear curves, the curve to comply with laws of the exponential function, namely W=atb, w is the wear, t for running time, a and b are constants, so long as the radioactive tracer method determined the constants a and b, for wear and corresponding relations completely determines the number of operating time.



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