Dynamic Analysis of Helical Planetary Gear Sets under Combined Force and Moment Loading

Table 3

Static gear mesh forces and average gear mesh stiffness values.

	Pure torque loading		Combined loading
	Mesh force; (N)	Mesh stiffness; (N/μm)	Mesh force; (N)	Mesh stiffness (N/μm)
				s-p1	1697.2	396.9	1505.5	395.4	394.1	386.8
s-p2	1699.9	396.9	1814.1	397.6	397.0	397.0
s-p3	1697.2	396.9	1882.4	398.2	397.6	398.2
s-p4	1699.9	396.9	1587.5	396.1	396.7	397.1
r-p1	1769.5	581.4	1569.5	313.9	231.8	193.4
r-p2	1772.3	581.4	1891.3	287.4	294.7	297.3
r-p3	1769.5	581.4	1962.5	385.3	290.7	256.2
r-p4	1772.3	581.4	1655.0	254.2	268.4	277.8

Note. The symbol s-p1 represents the sun-planet 1 gear pair and the like.