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Vibration of tapered roller bearings

Vibration of tapered roller bearings

Tapered roller bearing vibration is very sensitive to bearing damage, such as spalling, indentation, rust, crack, wear and so on will be reflected in the bearing vibration measurement, so, by using a special bearing vibration measurement device (frequency analyzer, etc.) can measure the size of the vibration, through the frequency can not infer the specific situation of the abnormal. The measured value is different due to the use of bearing conditions or sensor installation position, so it is necessary to analyze and compare the measured value of each machine in advance to determine the judgment standard.

2, tapered roller bearing temperature

The temperature of tapered roller bearing, generally the temperature outside the bearing surface can be inferred, if the oil hole can be used to directly measure the temperature of the bearing outer ring, it is more appropriate.

Usually, the temperature of the bearing begins to rise slowly with the running of the bearing, and reaches a stable state after 1-2 hours. The normal temperature of the bearing varies due to the heat capacity, heat dissipation, speed and load of the machine. If the lubrication and installation part are appropriate, the bearing temperature will rise sharply, and abnormal high temperature will occur. At this time, the operation must be stopped and necessary preventive measures must be taken.

The thermal sensor can be used to monitor the working temperature of the bearing at any time, and realize the automatic alarm or stop when the temperature exceeds the specified value to prevent the occurrence of shaft burning accidents.


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