In the above, the above small series explains the common motor failure phenomenon in high and low temperature test chambers, so what are the reasons for these phenomena? And see Xiaobian and then analyze for you.
1. High and low temperature test chamber motors are often started and operated under overvoltage or undervoltage conditions.
2, due to the failure of the high and low temperature test chamber refrigeration system, the motor does not stop for a long time, the temperature rise is too high, the enameled wire is aging and burned.
3, the crankshaft oil absorption is not smooth, causing the motor to hold the shaft, the card cylinder has not been discovered for a long time, so that the motor windings burned.
4. If the defrosting is not timely, the load on the high and low temperature test chamber will be aggravated, causing premature motor damage.
5, the voltage fluctuation is unstable, resulting in frequent start of high and low temperature test chamber, affecting the life of the motor.
6. Filling with methanol during repair causes premature motor damage.
7, the quality of the motor itself is not closed, the enameled wire used in the winding is not a high-strength enameled wire resistant to fluorine.
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