First, check the vibration of Oilless Sliding Bearing at work, from spalling, indentation, corrosion, cracks, wear, etc., will be reflected in the vibration measurement of Oilless Sliding Bearing, Oilless Sliding Bearing vibration is very sensitive to the damage of Oilless Sliding Bearing, Therefore, by using a special Oilless Sliding Bearing vibration measuring instrument (frequency analyzer, etc.), the magnitude of the vibration can be measured, and the specific situation of the abnormality cannot be inferred through the frequency division. Since the measured values are different depending on the usage conditions of the Oilless Sliding Bearing or the installation position of the sensor, it is necessary to analyze and compare the measured values of each machine in advance to determine the judgment standard.
Second, check the sound of the Oilless Sliding Bearing when it rolls. Even if the Oilless Sliding Bearing has a slight peeling and other damage, it will make abnormal sounds and irregular sounds, so it can be distinguished with a sound tester. The size and sound quality of the rolling sound of the Oilless Sliding Bearing in operation are checked to play a preventive role in advance.
Third, it is necessary to check the temperature of the Oilless Sliding Bearing when it rotates. If the oil hole can directly measure the temperature of the Oilless Sliding Bearing's outer ring, it is more appropriate. Under normal circumstances, the temperature of the Oilless Sliding Bearing can be inferred based on the temperature outside the Oilless Sliding Bearing room. If the lubrication and installation parts are suitable, the temperature of the Oilless Sliding Bearing will rise sharply, and an abnormally high temperature will occur. At this time, the operation must be stopped and necessary precautions should be taken.
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