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Article Dans Une Revue Journal of Computational Design and Engineering Année : 2020

Machine tool architecture selection at the preliminary design stage: application to hard material machining

Montassar Lajili
  • Fonction : Auteur
Hélène Chanal
Belhassen-Chedli Bouzgarrou
  • Fonction : Auteur
  • PersonId : 1033168

Résumé

The preliminary design stage ensures to evaluate machine tool performances according to the simulation of reduced models. Performance criteria are defined regarding the attempted machining process requirements. In our case, we study the problem of machine tool design for hard metal cutting, where a high level of stiffness is required. In this context, this paper's aim is to introduce a new methodology of machine tool architectures modeling, optimization, and selection with regards to their stiffness and dynamic performances at the preliminary design stage. However, this type of study requires a quantitative evaluation of performance indicators. Studied machine tool structures are modelled with simplified shape parts. The dimensions of these parts are defined as design variables. Afterward, for each considered architecture, parametric design optimization is performed to minimize its mass under the constraint of a minimal attempted stiffness all over the workspace. This approach allowed restricting the total number of machine tool architectures to be detailed further and analyzed more accurately. In a first time, the paper includes an illustration of the developed methodology through an example of machine tool architecture evaluation and optimization. In a second time, the method is used to compare different kinds of machine tool architectures regarding their ability to be light for an attempted stiffness.
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Dates et versions

hal-02667831 , version 1 (12-11-2020)

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Montassar Lajili, Hélène Chanal, Belhassen-Chedli Bouzgarrou. Machine tool architecture selection at the preliminary design stage: application to hard material machining. Journal of Computational Design and Engineering, 2020, 7 (5), pp.657 - 667. ⟨10.1093/jcde/qwaa049⟩. ⟨hal-02667831⟩
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