Engineering Mechanics

International Conference

Proceedings Vol. 9 (2003)


May 11 – 15, 2003, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2003 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 80-86246-18-3 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Influence of actual spur gears local tooth load on its scuffing resistance criteria
Doležal Z., Široká V.
pages 64 - +10p., full text

Scuffing is a particularly severe form of gear tooth surface damage in which seizure or welding together of areas of tooth surfaces occurs, due to absence or breakdown of a lubricant between the contacting tooth flanks of mating gears. High surface temperatures caused by high surface pressures and high sliding velocities can initiate the breakdown of lubricant films. The T-EHD theory to the calculation of-gear tooth load, tooth oil film thickness and Blok's flash temperature criterion, based on contact temperatures which vary along the whole contact, as a joint scuffing resistance criteria, are presented.

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Text and facts may be copied and used freely, but credit should be given to these Proceedings.

All papers were reviewed by members of the scientific committee.

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