Optimization of 5-axis high-speed machining using a surface based approach

Authors:
Sylvain Lavernhe;Christophe Tournier;Claire Lartigue
Affiliations:
Laboratoire Universitaire de Recherche en Production Automatisée, ENS Cachan, Université Paris Sud 11, 61 avenue du Président Wilson, 94235 Cachan cedex, France;Laboratoire Universitaire de Recherche en Production Automatisée, ENS Cachan, Université Paris Sud 11, 61 avenue du Président Wilson, 94235 Cachan cedex, France;Laboratoire Universitaire de Recherche en Production Automatisée, ENS Cachan, Université Paris Sud 11, 61 avenue du Président Wilson, 94235 Cachan cedex, France and IUT de Cachan, U ...
Venue:
Computer-Aided Design
Year:
2008

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Abstract

This paper deals with optimization of 5-axis trajectories in the context of high-speed machining. The objective is to generate tool paths suited to high speed follow-up during machining in order to respect cutting conditions, while ensuring the geometrical conformity of the machined part. For this purpose, the optimization of the tool axis orientations is performed using a surface model for the tool path, which allows integrating kinematical limits of the machine tool as well as classical geometrical constraints. The illustration of the optimization through an example highlights the gain in machining time, thereby demonstrating the feasibility of such an approach.