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Experimental study of thin part vibration modes in machining

Wehbe, Toufic and Dessein, Gilles and Arnaud, Lionel Experimental study of thin part vibration modes in machining. (2008) In: 17th International Conference on Manufacturing Systems – ICMaS, 13-14 Nov 2008, Bucharest, Romania .

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Official URL: http://www.icmas.eu/Paper_2008_V_11.htm

Abstract

The machining of thin walls generally generates milling chatter, that damage surface roughness and manufacturing tools. Stability lobes which include natural frequencies are successful in case of tool chatter. When milling thin webs models are less adequate, because the interaction with the tool disrupts the behaviour of the work piece. The modal approach generally used for stability charts may be not adequate enough because of neglecting the tool and the work piece contact. This paper presents the experimental phase of a work aiming at analyse vibration modes of a thin web during machining. A finite element calculation shows the influence of a contact on natural frequencies of the part. For a better investigation, field displacements of the work piece are analysed. This work eventually aims at better knowledge of the contact between the tool and the part to improve the hardiness of models.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to Editura Academiei Române. This paper appears in Proceedings of the 17th International Conference on Manufacturing Systems – ICMaS, Published by Editura Academiei Române, ISSN 1842-3183, Volume No. 3, 2008, University POLITEHNICA of Bucharest, Machine and Manufacturing Systems Department Bucharest, Romania, 13-14 November, 2008, pp. 247-252
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Laboratory name:
Laboratoire Génie de Production - LGP (Tarbes, France) - Mécanique des Matériaux des Structures et Procédés
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Deposited By: Lionel Arnaud
Deposited On:05 Mar 2013 15:24

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