Motor bearing fault with 15 kinds of sound source is what?

After bearing the sound when judging mechanical operation of the bearing stethoscope status to close to the flange, investigating the size of the bearing slewing sound and sound quality, such as hear the clear sound criterion for normal product, but the discriminant is relatively complex, and needs very rich experience. In addition, of bearing and stop to describe in words match difficult, and vary from person to person, criterion must be accurate, it's more demand. The following characteristics of typical different tone of bearing and the reason for the attack to clarify. When the motor noise present problems of time are not good. Can a comparison table view. Understanding these noises you can make the preliminary judging. Can I deal with need not handed over to maintenance department [ His face] , hope the above information is useful to you understand motor fault.