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

Table 2

Specifications of helical gear for sample II.

Item	Pinion	Gear
Number of teeth	21	49
Normal pressure angle	20
Helix angle (°)	15
Module (mm)	4
Face width (mm)	32
Transverse contact ratio	1.5832
Axial contact ratio	0.6591
Total contact ratio	2.2423
Applied torque (N·m)	284.9