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Predicting the dynamic behaviour of torus milling tools when climb milling using the stability lobes theory

Mousseigne, Michel and Landon, Yann and Seguy, Sébastien and Dessein, Gilles and Redonnet, Jean-Max Predicting the dynamic behaviour of torus milling tools when climb milling using the stability lobes theory. (2013) International Journal of Machine Tools and Manufacture, 65. 47-57. ISSN 0890-6955

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Official URL: http://dx.doi.org/10.1016/j.ijmachtools.2012.10.001

Abstract

This paper investigates stability and dynamic behaviour of torus tool in climb milling on 5 positioned axes. The stability lobes theory is used to enable stable cutting conditions to be chosen. As the adaptation of such a theory to complex milling configurations is a difficult matter, new methods are presented to identify the dynamic parameters. Tool dynamic characteristics (stiffness and natural pulsation) are determined with an original coupled calculations-tests method. Start and exit angles are computed exactly using an original numerical model. A sensitivity analysis highlights the influence of machining parameters on stability of climb milling. This shows that a third region of “potential instability” must be taken into account in plotting stability lobes, due to the uncertainty of prediction due to modelling and identification of parameters. The results were validated experimentally with an innovative approach, especially through the use of high-speed cameras. Analysis of vibrations and the surface roughness allowed the analytical model to be verified so as to optimise the inclination of the tool on the surface.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at International Journal of Machine Tools and Manufacture website : http://www.sciencedirect.com/science/journal/08906955/65/supp/C
HAL Id:hal-00944576
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: Gilles Dessein
Deposited On:20 Jan 2014 16:01

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