Vibration Characteristic Analysis of a Coupling System for Compound Biaxial and Inter-Shaft Bearings

Table 9

Vibration amplitude and its relative change for inner shaft.

Radial clearance (μm)	Speed up		Speed down
	Amplitude (μm)	Relative change (%)	Amplitude (μm)	Relative change (%)
2	8.32	14.46	4.65	11.51
4	7.98	10.07	4.56	9.35
8	7.72	6.48	4.35	4.32