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Optimisation de la programmation des MOCN - Application aux machines à structure parallèle

Abstract : These research works aim to define new optimisation ways for CNC machine tool programming that are enabled by the development of parallel kinematics milling machines. Four research axes were identified. The first one deals with the preparing of machining operations and evaluates the implementation of new milling tool paths (plunge milling and trochoïdal milling) on parallel NC machine tools. The main object is to determine the best milling strategy according to the application constraints and the employed machining mean. Then, the second axis focuses on incremental sheet forming which is an emerging manufacturing process that can be carried out on milling machine tools. We prove that an adapted programming of the toolpath can strongly optimise its implementation. Moreover its capability depends on the one of the selected machine tool. On the third axis, we propose a new toolpath programming approach, called ICAM (Intelligent Computer Aided Manufacturing). It optimises the machining programming thanks to an evaluation of process data made into the CNC. Finally, the fourth axis proposes two evolutions for CNC programming. The first one deals with the rise of e-manufacturing and its consequences on the environment and the use of NC machine tools. The second one presents the development of a new data standard, Step_NC. This latest stands for the ideal background regarding to the optimisations proposed about the other research axes, while leading to further progress in NC programming.
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https://tel.archives-ouvertes.fr/tel-00429692
Contributor : Matthieu Rauch <>
Submitted on : Wednesday, November 4, 2009 - 5:41:20 PM
Last modification on : Friday, October 23, 2020 - 4:39:34 PM
Long-term archiving on: : Thursday, June 17, 2010 - 7:17:46 PM

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  • HAL Id : tel-00429692, version 1

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Matthieu Rauch. Optimisation de la programmation des MOCN - Application aux machines à structure parallèle. Sciences de l'ingénieur [physics]. Ecole Centrale de Nantes (ECN); Université de Nantes, 2007. Français. ⟨tel-00429692⟩

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