Date: 2013-08-22

NSK bearings how to detect motor is operating correctly

1. audio detection
(1) if the hearing is even "swish swish" sound, NSK bearings in normal operation;
(2) if there are "hissing" metal sound, the NSK bearings may be a shortage of oil;
(3) If you hear "Gollum, and Gollum" sound of impact, could be NSK bearings all ball was breaking.
2. the method of measuring temperature
NSK bearing temperature measurement using alcohol thermometer (or use infrared gun directly at the front and rear bearing end cover of motor temperature) measurement the thermometer attached to the bearing cover, rolling bearing should not exceed 95 ° c, bearing should not exceed 80 ℃. If no thermometer, you can also sprinkle a few drops on the bearing, such as steaming, indicating temperature exceeds 80 ° c, such as issuing "hissing" sound, the temperature exceeds 90 ° c.
 

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