On the design of external involute gears

Abstract

A theoretical investigation of the stresses in external involute helical gears has been carried out. Geometrical conditions are given and the load distribution along and between the gear teeth in contact is calculated. With this load distribution, contact pressure and fillet tensile and compression stresses are calculated. The influence bending functions, used to calculate the load distribution, and the fillet stresses are calculated by the finite element method. Results are presented for the contact pressure and fillet stresses as functions of the number of teeth and the helix angle