Date: 2013-08-27

How to check the INA bearing running condition

How to check the working condition of INA bearings in operation, we're from the vibration of the bearing, scrolling, and temperature of the three talk about:
First, check the INA bearing vibration at work
Indentation cracks, wear, corrosion, spalling, are reflected in the INA bearing vibration measurement, bearing vibration of bearing damage is very sensitive, so by using a special bearing vibration Measurer (frequency Analyzer, etc) measures the size of the vibration, through frequency not infer exceptions to the specific situation. Because of the measured values from bearing conditions of use or the sensor installation locations and different, therefore require prior to each machine analysis and comparison of measurement values to be determined benchmarks.
Second, check the voice of INA bearing scrolls
INA bearing even has a slight peeling damage also is making an abnormal sound and irregular sound, using sound system can be resolved using acoustic logging, for bearings in operation size on rolling sound and sound checks play a preventive role in advance.
Finally, check the INA bearing while rotating the temperature
If using oil-hole temperature can directly measure the bearing outer ring, is more appropriate. Under normal circumstances, INA bearing temperature, generally pursuant to INA bearing outside of room temperature can be speculated. If lubricated, install the appropriate, the bearing temperature is rising dramatically, and abnormal high temperature occurs, in which case you must stop and take the necessary precautions. INA bearing temperature usually as work began to rise slowly, 1-2 hours to stabilize INA bearings in normal temperatures due to the heat capacity of the machine, heat dissipation, speed and load another. If necessary, use heat detector to monitor bearing temperature over time and temperature alarm when exceeding a specified value or stop to prevent burning shaft accident.

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