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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Cause of Failure Beyond Conjugate Theory of Gear Meshing
verfasst von : A. Kubo
Erschienen in: Theory and Practice of Gearing and Transmissions
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Abstract
It is obvious that the basics of gear technology is the theory of geometry for conjugate action of mating gears for transmission of motion through contacting tooth flanks. Teeth of actual gears though contact not only on tooth flank to tooth flank, but also at edges of tooth tip and of tooth sides. Such edge contact is usually out of the conjugate meshing theory of gearing. Many causes of failure of highly loaded gear teeth are initiated due to the contact at such tooth edges. Contact of tooth edge produces considerable amount of wear debris. Meshing teeth crush intruded wear debris and damage themselves. With run of gear operation, gear failure develops as a phenomenon of such a positive feedback system.