Research Article
Fault Diagnosis of Bearings with Adjusted Vibration Spectrum Images
Figure 3
Machinery fault simulator: 1, frequency converter; 2, motor; 3, coupling; 4, inboard bearing seat; 5, normal bearing; 6, shaft; 7, rotor disc; 8, testing bearing; 9, acceleration sensor; 10, outboard bearing seat; 11, gearbox.