Table 4 Gear and bearing fault types
From: Fault Diagnosis Method for Rotating Machinery Based on Multi-scale Features
Fault type | Description | |
|---|---|---|
Gear | Miss | Missing one of feet in the gear |
Chipped | Crack occurs in the gear feet | |
Root | Crack occurs in the root of gear feet | |
Surface | Wear occurs in the surface of gear | |
Eccentric | Geometric center of the gear does not coincide with rotating center of the shaft | |
Bearing | Ball | Crack occurs in the ball |
Inner | Crack occurs in the inner ring | |
Outer | Crack occurs in the outer ring | |
Combination | Crack occurs in the both inner and outer ring | |