Modélisation 3D des efforts de coupe et de la surface en UGV à partir d'un modèle numérique 2D

Abstract : This study introduces a global solution for milling process modelling in the framework machining parameters influence on fatigue life. A model of milling allowing the calculation of the cutting forces as well as generated surface is presented. It is based on the coupling of several models: tool/part intersection model, 2D numerical model, 3D mechanistic model. The interest of the suggested approach is to be freed from machining tests: Those are replaced by 2D numerical tests using a SPH model. This milling model is supplemented by a phase of fatigue life prediction based on the calculation of local stress concentration. The approach presented was confronted with the experiment. A maximum error of 15% in terms of fatigue life was obtained in the HSM milling cases studied.
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Jérôme Limido, Christine Espinosa, Michel Salaün. Modélisation 3D des efforts de coupe et de la surface en UGV à partir d'un modèle numérique 2D. 8e Colloque national en calcul des structures, CSMA, May 2007, Giens, France. ⟨hal-01493720⟩

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