It is important to identify or predict whether a running bearing is faulty without disassembly inspection, which is important for improving productivity and economy.
The main recognitions are as follows:
1). Identify by sound
Identifying by sound requires a wealth of experience. Sound and non-bearing sounds that recognize the bearing must be adequately trained. To this end, the work is done by professionals as much as possible. The sound of the bearing can be clearly heard by attaching the sound bar to the outer casing.
2). Identification by working temperature
This method is a comparative method and is limited to occasions where the operating state does not change much. Therefore, continuous recording of temperature must be performed. In the event of a fault, the temperature will not only rise but also irregularly change. This method is preferably used in combination with a voice recognition method.
3). Identification by lubricant
The sampling analysis of the lubricant is judged by the degree of contamination, whether foreign matter or metal powder is mixed. This method is particularly effective for bearings or large bearings that cannot be observed close. Bearings cannot be directly observed during operation, but bearing abnormalities can be detected by noise, vibration, temperature, and lubricant.
