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NVH Analysis of an Axle Drive with Bevel Gearset

21FTM12

21FTM12

NVH Analysis of an Axle Drive with Bevel Gearset

The geometry of bevel gears, together with the applied ease-off and the misalignment are introduced, and the excitation orders related to the gears and bearings are calculated. The EAxle is modeled as a flexible multi-body system, and the theoretical aspects related to the penalty contact formulation and modal reduction (Craig-Bampton method) are discussed. The NVH performance of the EAxle is evaluated as a function of the mounting distance (H), showing a significant reduction of the accelerations on a control point for a specific positive mounting distance. Finally, housing sound pressure level (SPL) is compared for the selected scenarios, showing a significative improvement for the optimized mounting distance configuration.

Authors: Davide Marano, Timo Giese, Saeed Ebrahimi

ISBN: 978-1-64353-106-9

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