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

Table 5

Vibration amplitude and its relative change for inner shaft.

Eccentricity (μm)	Speed up		Speed down
	Amplitude (μm)	Relative change (%)	Amplitude (μm)	Relative change (%)
0.2	8.42	17.76	4.62	10.80
0.4	8.93	23.17	5.23	25.42
0.6	9.31	28.41	5.89	41.01
0.8	10.28	41.79	6.56	57.73