Vibration Test and Shock Absorption of Coal Crusher Chambers in Thermal Power Plants (II): Numerical Analysis

Table 9

Ratio of vibration displacement of point to reference value at each vibration-isolation efficiency.

Varying parameter	Direction	Vibration-isolation efficiency
		90%	80%	70%	60%
Stiffness of spring vibration isolators	X	0.72	0.83	1	1.32
	Z	0.71	0.83	1	1.29
Mass of vibration-isolation platform	X	0.55	0.74	1	1.39
	Z	0.55	0.71	1	1.6