RESEARCH PAPERS: Power Transmission and Gearing Papers

Load Capacity of a New W-N Gear With Basic Rack of Combined Circular and Involute Profile

[+] Author and Article Information
Y. Ariga, S. Nagata

Dept. of Mechanical Engineering, Nippon Institute of Technology, Saitama, Japan

J. Mech., Trans., and Automation 107(4), 565-572 (Dec 01, 1985) (8 pages) doi:10.1115/1.3260764 History: Received July 05, 1984; Online November 19, 2009


A new W-N gear tooth profile is developed. The gear developed has an addendum of circular arc and a dedendum of involute curve. This particular tooth profile is believed to solve the problem of conventional W-N gear profile—that is, the profile is sensitive to center distance variations. No pitting on the gear was observed even after 1 × 107 revolutions cycle during the laboratory test using a pair of gear having specified values of M n (normal module) = 4, β (helix angle) = 30 deg, and Lloyd’s K factor at 8 MPa.

Copyright © 1985 by ASME
Topics: Stress , Gears , Cycles , Gear teeth
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