Self-Excited Vibration Analysis of Gear-Bearing System with Multipoint Mesh and Variable Bearing Dynamic Coefficients

Table 1

Parameters of gears.

	Gear 1	Gear 2	Gear 3	Gear 4	Gear 5
Modulus (mm)	2.5
Face width (mm)	45
Pressure angle (deg)	20
Tooth number	80	193	41	33	25
Radius of basic circle (mm)	191.6	462.3	98.2	79.1	59.9
Mass (kg)	13	50	3.8	2.5	1.7
Polar inertia moment (kgm^2)	0.07	1.6	0.007	0.004	0.003
Inertia moment (kgm^2)	0.04	0.8	0.005	0.003	0.002