Dynamic Modeling of Gear System Based on 3D Finite Element Model and Its Application in Spalling Fault Analysis

Table 1

The parameters of spur gear rig.

	Driving gear	Driven gear
Number of teeth	55	75
Module (mm)	2	2
Pressure angle (°)	20	20
Young’s modulus (Pa)	2.06 × 10^11	2.06 × 10^11
Poisson’s ratio	0.3	0.3
Width of tooth (mm)	20	20
Rotational speed (Hz)	7.17	5.25
Torque (N·m)	6.8	5
Radial stiffness of bearing (N/m)	2 × 10^8