The Analysis and Modeling of the Synthetical Meshing Stiffness of Inner Gearing considering the Flexible Inner Ring Gear

Table 1

Helical gear parameters.

Parameters	Unit	Driving pinion	Driven gear
Tooth number, Z1 and Z2	—	20	80
Normal module, mn	mm	5	5
Normal pressure angle, αn	deg	20	20
Helix angle, βm	deg	20	20
Face width, B	mm	50	50
Addendum, ha	mm	5	5
Dedendum, hf	mm	6.75	6.75
Elastic modulus, E	GPa	210
Density,	g/cm^3	7.85
Speed,	r/min	1500
Power	kw	400