Nonlinear Dynamic Analysis and Optimization of Closed-Form Planetary Gear System

Table 2

Physical parameters of the closed-form planetary gear set.

	High-speed stage				Low-speed stage
	Sun	Planet	Ring	Carrier	Sun	Planet	Ring	Carrier
Inertia (kg⋅mm^2)	88.54	827	68883.72	6800.79	339.59	462.92	110213.96	9400.9
Rotation radius (mm)	11.07	32.78	113	57.25	23.28	31.12	113	28
Mean mesh stiffness (N/mm)	𝐾𝑠1𝑛=𝐾𝑟1𝑛=2𝑒^7				𝐾𝑠2𝑛=𝐾𝑟2𝑛=2𝑒^7
Torsional stiffness (N/mm)	𝐾𝑐1𝑠2=2𝑒^7				𝐾𝑟1𝑟2=10𝑒^7,𝐾𝑐2=10𝑒^8
Total mass	69 kg