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Modélisation du procédé de perçage assisté par vibrations forcées : prise en compte de l’environnement Pièce-Outil-Machine.

Abstract : Vibrations assisted drilling is a process which ensures chip shape control in order to increase reliability during drilling operations. The adding of axial oscillation, controlled with amplitude and frequency, introduce two new parameters which must determinate according to the conventional parameters (feed and speed rotation). The optimal setting of vibrations assisted drilling is not obvious. To provide an optimization-tool of the process, a new model which take into account the “Tool-Workpiece-Machine” environment, is proposed. Drill geometry, Tool-Workpiece interactions and dynamic behavior of the Machine are incorporated in the model. Tis specificity allows adjusting behavior of the process with the case of application. An identification methodology is presented to characterize the environment. Simulation’s results and experimental results are compared to validate the model. This model thus allows predicting process behavior in order to optimize the operational parameters.
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  • HAL Id : tel-02612216, version 1

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Mathieu Ladonne. Modélisation du procédé de perçage assisté par vibrations forcées : prise en compte de l’environnement Pièce-Outil-Machine.. Génie mécanique [physics.class-ph]. Ecole nationale supérieure d'arts et métiers - ENSAM, 2016. Français. ⟨NNT : 2016ENAM0006⟩. ⟨tel-02612216⟩

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