答
The faults of rotating machinery are mainly the faults of its important components, such as rotors, bearings and gears. Typical faults of rotors include unbalance, bending, misalignment, oil film whirling, oil film oscillation, etc. Bearings are fatigued and peeled off and worn, and gears will break, Faults such as wear, fatigue spalling, broken teeth, etc., each type of fault has a certain cause, and the fault symptoms can be reflected by characteristic parameters.