Load Distribution in Double Enveloping Worm Gears

[+] Author and Article Information
V. Simon

University of Novi Sad, Bul. AVNOJ-a 1, 21000 Novi Sad, Yugoslavia

J. Mech. Des 115(3), 496-501 (Sep 01, 1993) (6 pages) doi:10.1115/1.2919217 History: Received September 01, 1991; Online June 02, 2008


A method for the determination of load sharing among the instantaneously engaged worm threads and gear teeth of double enveloping worm gears and for the calculation of load distribution along their instantaneous contact lines is presented. The bending and shearing deflection of worm thread and gear tooth, the contact deformation, the axial deformation of worm body, and the manufacturing and alignment errors of worm and gear are included. The obtained system of integral equations is solved by using approximations and an iterative technique. The corresponding computer program is developed. By using this program, the load distribution in the classical and in a new type of double enveloping worm gear drives is calculated. The influence of design parameters on load distribution factor and on maximum tooth pressure is investigated and discussed.

Copyright © 1993 by The American Society of Mechanical Engineers
Topics: Stress , Worm gears
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