It is important to improve the productivity and economy by identifying or predicting the failure of the bearing in operation without disassembly inspection.
The main methods of identification are as follows:
1) Identify by sound
It takes a lot of experience to identify by sound. Must be fully trained to be able to identify bearing sounds and non-bearing sounds.
To this end, the work should be carried out by a dedicated person. The sound of the bearing can be clearly heard by attaching a listener or a listening stick to the housing.
2) Identification by operating temperature
This method is a comparative identification method and is limited to occasions where the operating state does not change much. For this purpose, continuous recording of the temperature must be carried out.
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 the state of the 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.
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