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High speed machining modelling : SPH method capabilities

Limido, Jérôme and Espinosa, Christine and Salaün, Michel and Mabru, Catherine and Chieragatti, Rémy High speed machining modelling : SPH method capabilities. (2007) In: 4th Smoothed Particle Hydrodynamics European Research Interest Community (SPHERIC) workshop, 27-29 May 2009, Nantes, France .

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Official URL: http://dx.doi.org/10.1016/j.ijmecsci.2006.11.005

Abstract

The purpose of this work is to evaluate the use of the Smoothed Particle Hydrodynamics (SPH) method within the framework of high speed cutting modelling. First, a 2D SPH based model is carried out using the LS-DYNA® software. SPH is a meshless method, thus large material distortions that occur in the cutting problem are easily managed and SPH contact control allows a "natural" workpiece/chip separation. The developed SPH model proves its ability to account for continuous and shear localized chip formation and also correctly estimates the cutting forces, as illustrated in some orthogonal cutting examples. Then, The SPH model is used in order to improve the general understanding of machining with worn tools. At last, a milling model allowing the calculation of the 3D cutting forces is presented. The interest of the suggested approach is to be freed from classically needed machining tests: those are replaced by 2D numerical tests using the SPH model. The developed approach proved its ability to model the 3D cutting forces in ball end milling.

Item Type:Conference or Workshop Item (Lecture)
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at International Journal of Mechanical Sciences website : http://www.sciencedirect.com/science/journal/00207403
Audience (conference):International conference without published proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Ecole des Mines d'Albi-Carmaux - EMAC
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > IMPETUS Afea SAS (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Laboratory name:
Département de Mécanique des Structures et Matériaux - DMSM (Toulouse, France) - Modélisation des Systèmes et Microsystèmes Mécaniques - Modélisation et simulation en environnement déterministe et incertain
Institut Clément Ader - ICA (Toulouse, France) - Surfaces, Usinage, Matériaux et Outillages - Fatigue, Modélisation, Endommagement et Usure
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Deposited By: ESPINOSA Christine

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