Sensor Placement Optimization of Vibration Test on Medium-Speed Mill

Table 1

Parameters of the mill and vibration isolator.

Medium-speed mill; ZGM113G	Total weight of the mill/t	157.40
	Total weight of the foundation/t	398.74
	Total weight of the mill and foundation/t	556.14
	Mass ratio of the foundation to the mill	2.53
Vibration isolator; SPV2076.12.12	Vertical stiffness of the vibration isolator/kN/mm	12.10
	Horizontal stiffness of the vibration isolator/kN/mm	9.50
	Vertical damping factor/kNs/m	240
	Horizontal damping factor/kNs/m	160
	Damping ratio of the structure	0.02
	Disturbing force/kN	direction = 10
		direction = 10
		direction = 40