Browse Publications Technical Papers 2000-01-1153

A New Tooth Flank Form to Reduce Transmission Error of Helical Gear 2000-01-1153

Transmission error is the main cause of gear noise in automobile transmissions, and recently can be estimated by numerical analysis [1].
First, in this report, we establish the accurate numerical analysis of transmission error by using FE analysis and Hertz's contact analysis of gear tooth stiffness.
Secondly, on the basis of the established numerical analysis, we develop a new tooth flank form to reduce transmission error. The new tooth flank form aims to ensure the coincidence of meshing stiffness at all meshing positions.
Finally, a validation test using an experimental prototype is performed, and we confirm that the estimated effect by the new tooth flank form has been obtained.


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