Lubrication Regimes in High-Performance Polymer Spur Gears

Table 1

Entraining and sliding velocities for 20° and 30° pressure angle gears.

Rotational Speed	Pressure Angle
revs/min	20°	30°	20°	30°
50	0.05	0.08	0.05	0.04
250	0.27	0.39	0.26	0.19
500	0.54	0.79	0.51	0.39
1000	1.07	1.57	1.03	0.77
1500	1.61	2.36	1.54	1.16
2000	2.15	3.14	2.05	1.54
3000	3.22	4.71	3.08	2.31
	Entraining Velocity		Sliding Velocity
	(m/s)		(m/s)