Common fault check of Overhead Crane bearing operation

Common fault check of Overhead Crane bearing operation

Check the bearing failure mainly from the rolling sound, vibration, temperature, lubrication, etc. to check:

One, rolling sound, with the sound of the sound of the rolling sound and sound quality to check, even if there is a slight divestiture damage, will be issued an abnormal sound and irregular sound, with the sounder to distinguish.

Second, the vibration, bearing vibration on the bearing damage is very sensitive, through the use of special bearing vibration measuring device can measure the size of vibration, frequency can not be inferred by the specific circumstances of the exception. The measured values are different depending on the conditions of use of the bearings or the position of the sensor installation. Therefore, it is necessary to determine the judgment criteria after analyzing and comparing the measured values of each machine in advance.

Third, the temperature, the bearing temperature, generally have the bearing room outside the temperature can be speculated, if the use of oil hole can directly measure the bearing outer ring temperature, the more appropriate. The temperature rises slowly as the operation begins, reaching a steady state after 1-2 hours. The normal temperature of the bearing varies with the heat capacity, heat dissipation, speed and load of the machine.