22FTM16. A Model for Considering Wheel Body Deformation in Tooth Contact Load Distribution
ABSTRACT
Gearbox wheel bodies are often designed and manufactured to maximize power density. Strategic use of recesses and bores can achieve significant weight savings in gears. However, wheel bodies are known to have an influence on the gear system.
Many CAE tools use the Weber-Banaschek approach to determine the gear stiffness. This is a proven method that has been deemed sufficiently for the simulation of tooth contact. However, this approach uses a simplified consideration of the wheel body as an elastic half-space and cannot represent complex wheel bodies.
This paper describes a calculation method which efficiently determines the stiffness of any wheel body geometry using statically reduced stiffness matrices from an FE model and links them to an analytical model of the tooth contact.
Authors: Benjamin Abert, Georg Hammerl
ISBN: 978-1-64353-136-6
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