Dynamic Model of Spur Gear Pair with Modulation Internal Excitation

Table 1

System parameters of gear transmission.

	Driving gear	Driven gear
Number of teeth	55	75
Module/mm	2	2
Face width/mm	30	29
Pressure angle/deg	22.5	22.5
Mass/kg	2.034	3.937
Rotational inertia/kg⋅m^2	0.0033	0.0115
Mean mesh stiffness/N⋅m^−1
Support stiffness of bearing/N⋅m^−1
Mesh damping/N⋅s⋅m^−1	800
Support damping of bearing/N⋅s⋅m^−1	500
Mean transmission error/μm	20
Backlash/μm	20