Better communication with the motor shop.The structured process of report writing gets you to think more and differently about what happened. The knee-jerk conclusion about the cause of the motor failure is often very different from the conclusion a tech will reach after writing a formalized report. Here’s how a motor failure report can help with motor management. Leakage current from the armature windings (DC motors) Not keeping the temperature of the motor warmer than ambient air temperatureĬorrosion of motor shaft, bearings and rotor Not positioning weep holes so water can drain from motor Not using a totally enclosed fan cooled motor in a damp environment Storing motor in a location without adequate climate control High housing temperature close to bearings Misalignment between motor drive shaft and load “Micro-jogging” from motor timing interruptionsĬaused by either power supply or motor itself
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