A Contribution to the Analytical Determination of Tooth Root Stresses in High Transverse Contact Ratio Gears (original) (raw)

2004

Abstract

ABSTRACT High transverse contact ratio gears (abbr. HCR-gears), are non-standard involute spur gears with a transverse contact ratio εα > 2. This paper deals with the analysis and methods of determination of tooth root stresses in external HCR-gearing with theoretically accurate profile. Results of previously developed load sharing and tooth root stresses calculation method have been compared with the results of the DIN 3990 method and results of the finite element method contact analysis (FEA). Analysis has revealed that results of own calculation method are in good agreement with numericaly obtained values and it also confirmed that sugested method is significantly more accurate and reliable than standard DIN 3990 method.

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