Finite element analysis of high contact-ratio gear stress field
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Abstract:
Based on the elastic contact finite element method(FEM)，three-dimensional static contact model of high-contact-ratio gears is established. The Newton-Raphson(NR) method is used to get the contact stress. Load distribution factor of gear teeth and the influence of different friction coefficients were achieved by the FEA. Comparison with Hertz contact stress, the maximum contact stress is less than Hertz stress. Natural frequencies and major modes of the gear are calculated by the Lanc20s method, and the results provided theoretical basis for the design and application of helical involute gear.
