Hierarchical Modeling and Dynamic Analysis of Hoist System in Electric Mining Shovel

Table 2

Transmission parameters of gear subsystem.

Parameter	1st		2nd
	Drive gear	Driven gear	Drive gear	Driven gear
Tooth number, z	17	140	17	105
Mass, m (kg)	182	2688	912	9098
Moment of inertia, I (kg·m^2)	3.68	594.42	14.14	2602
Module, mn	12		25
Average mesh stiffness, k0 (N/m)	19.5011 × 10^9		20.1119 × 10^9
Coupling stiffness (N/m)	ky = 1 × 10^10		kz = 5 × 10^10
Pressure angle, α (°)	20