Continuous hum "hum......"
Date:2011-08-05 4:21:05
Continuous hum "hum......" :
Cause analysis: motor no load operation is similar as a buzz of voice, and the motor shaft to happen the abnormal vibration, open or shut down with "om-ing" sound.
Specific features: multiple lubricating state is bad, winter ends with a ball bearing and more motor, main shaft is self-aligning performance is bad, axial vibration under the influence of the result of a not stable vibration.
Solution: A, lubricating oil with good; B, and the load, reduce the installation error; C, selection of the radial clearance small bearing; D, improve motor housings rigid; E, strengthen the adjustable bearing the nature of mind.