Imported bearing in operation how to check the fault

Imported bearing in operation how to check fault imported bearing in operation how to check? Let's get together to discuss, how to check import bearing faults in the operation. 1. Imported bearing vibration in the operation to identify check import bearing vibration is very sensitive to bearing damage. Such as peeling, indentation, rust, crack and wear will be reflected in the imported bearing vibration measurement, therefore, through the use of special imported bearing vibration tester ( Frequency analyzer, etc. ) Can measure the size of the vibration, through frequency points cannot deduce the abnormal situation. Measured values of bearing or sensor installation position and different using conditions, thus requiring prior to each machine is analyzed by the measured value of the determined after judgment standard. 2. Is based on imported bearings rolling voice to identify and check we can use acoustic measurement device, the size and quality of imported bearings rolling sound in operation to check. Because of injury, such as import bearings even with slight detachment also emits an exception and irregular, and therefore with the sound of the measuring device to identify, have the effect of prevention in advance. 3. Is based on imported bearing to check the temperature of bearing temperature, generally can be predicted on the basis of imported bearings of the outdoor temperature, if the use of oil hole can directly measure temperature of bearing outer ring, is more appropriate. Usually, the temperature of the imported bearing with operation began to slowly rise, 1 - After 2 hours to reach steady state. Imported bearings of normal temperature due to the heat capacity of the machine, heat dissipating capacity, rotational speed and load. If the appropriate lubrication, installation department, the bearing temperature will rise sharply, appear unusually high temperature, must stop at this moment, take the necessary precautions. Based on a lot of test data, table 4 - 1 lists the various kinds of mechanical bearing outer temperature averages at work, for your reference. Due to temperature lubrication, rotational speed, load, the influence of environment, the temperature range of values in the table only said roughly. Using thermal device can monitor the bearing temperature at any time, and realize e. automatic alarm when the temperature is more than the household or stop to prevent the shaft accidents.