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Analyse du comportement dynamique d’une broche de machine-outils

Published online by Cambridge University Press:  06 January 2012

Claudiu-Florinel Bisu ,
Mihai Ghinea ,
Alain Gerard ,
Miron Zapciu  and
Marin Anica
Claudiu-Florinel Bisu
Affiliation:
Université Polytechnique de Bucarest, Laboratoire de Machines et Systèmes de Production Splaiul Independentei 313, Bucarest, Roumanie
Mihai Ghinea
Affiliation:
Université Polytechnique de Bucarest, Laboratoire de Machines et Systèmes de Production Splaiul Independentei 313, Bucarest, Roumanie
Alain Gerard*
Affiliation:
Université de Bordeaux, CNRS UMR 5295 I2M, Mécanique, Procédés, Interactions 351, Cours de la libération, 33405 Talence Cedex, France
Miron Zapciu
Affiliation:
Université Polytechnique de Bucarest, Laboratoire de Machines et Systèmes de Production Splaiul Independentei 313, Bucarest, Roumanie
Marin Anica
Affiliation:
Digitline Company, Str. Baneasa, No. 2-6, sector 1, Bucharest, Roumanie
*
aAuteur pour correspondance : [email protected]
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Abstract

L’apparition de vibrations, ou bien des régimes instables, est induite par l’interaction dynamique du processus de coupe avec le système élastique de la machine-outil dans différentes conditions de travail. L’objectif de ce travail est de développer un modèle dynamique appliqué au processus de fraisage pour réaliser la surveillance du processus, l’analyse et l’optimisation des conditions de coupe lors du contact outil/pièce/machine. Pour mettre en place ce protocole et atteindre les connaissances approfondies des phénomènes dynamiques nous effectuons une étude de ceux-ci divisée en deux parties : la machine et le processus de coupe. Une analyse dynamique détaillée de la machine est obligatoire avant de modéliser les phénomènes vibratoires présents lors de la coupe.

Keywords

Vibrationsmodèle expérimentalfraisageplan des déplacementsvibrations auto-entretenuesVibrationsexperimental modelmillingdisplacements planeself-excited vibrations
Type
Research Article
Information
Mechanics & Industry , Volume 12 , Issue 6 , 2011 , pp. 459 - 467
Copyright
© AFM, EDP Sciences 2011

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