Lewis Factor Equation for Gear Tooth Calculations

Gear Products and Suppliers | Gear Knowledge Menu

The first equation used for the bending stress was the Lewis equation. This is derived by treating the tooth as a simple cantilever andwith tooth contact occurring at the tip as shown above. Only the tangent component (Wt) is considered. It is also assumed that only one pair of teeth is incontact. Stress concentrations at the tooth root fillet are ignored. It can be shown that the maximum bending stress occurs at the tangent points on the parabola shown above. Use of the standard equation for bending stress (σ= Mc/I) leads to:.

Lewis Factor Equation

 

Contribute Article Spider Trap

© Copyright 2000 - 2015, by Engineers Edge, LLC www.engineersedge.com
All rights reserved
Disclaimer | Feed Back | Advertising | Contact

Home
Engineering Book Store
Engineering Forum
Engineering News
Engineering Videos
Engineering Calculators
Engineering Toolbox Directory
Engineering Jobs
GD&T Training Geometric Dimensioning Tolerancing
DFM DFA Training
Training Online Engineering PDH
Advertising Center



Copyright Notice

Publishing Program