An Improved Algorithm for Calculating Friction Force and Torque in Involute Helical Gears

Table 3

Statistical values of Figure 9.

Item	Maximum		Minimum		Mean
	Uniform	Nonuniform	Uniform	Nonuniform	Uniform	Nonuniform
Contact length (mm)	25.7		22.4		24.0
Friction force (N)	31.3	24.0	−40.4	−53.5	−3.8	−14.5
Frictional torque (N mm)	−104.9	85.3	−733.5	−579.6	−424.2	−254.2