Numerical Analysis and Demonstration: Transmission Shaft Influence on Meshing Vibration in Driving and Driven Gears

Table 5

Main parameters of transmission system.

Name	Code	Parameters	Name	Code	Parameters
The series equivalent stiffness of the first transmission shaft’s tube and its intermediate support		N·m/rad	The series equivalent stiffness of the second transmission shaft’s tube and its intermediate support		N·m/rad
The damping coefficient of the first transmission shaft		0.002	The damping coefficient of the second transmission shaft		0.002
The equivalent polar moment of inertia of the first transmission shaft at node 1 of the universal joint		0.309234412 kg·m^2	The equivalent polar moment of inertia of the first transmission shaft at node 2 of the universal joint		0.309234412 kg·m^2
The equivalent polar moment of inertia of the second transmission shaft at node 2 of the universal joint		1.866514293 kg·m^2	The equivalent polar moment of inertia of the second transmission shaft at node 3 of the universal joint		2.324507441 kg·m^2
The driving gear and driven gear’s average meshing stiffness in reverse		2.48 × 10³ N·m/rad	The driving gear and driven gear’s average meshing damping		47.8 (N·s/m)
The equivalent polar moment of inertia of the main reducer driving gear		1.236925720 kg·m^2	The equivalent polar moment of inertia of the main reducer driven gear		0.027998012 kg·m^2