The Domain of Admissible Orientation concept: A new method for five-axis tool path optimisation

Authors:
C. Castagnetti;E. Duc;P. Ray
Affiliations:
Laboratoire de Mécanique et Ingénierie, LaMI, IFMA / UBP, Campus des Cézeaux, BP265 63175, Aubière Cedex, France;Laboratoire de Mécanique et Ingénierie, LaMI, IFMA / UBP, Campus des Cézeaux, BP265 63175, Aubière Cedex, France;Laboratoire de Mécanique et Ingénierie, LaMI, IFMA / UBP, Campus des Cézeaux, BP265 63175, Aubière Cedex, France
Venue:
Computer-Aided Design
Year:
2008

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Abstract

This work deals with the optimisation of tool paths in five-axis machining. The objective is to improve the kinematic behaviour of machine tools during milling. The orientation of the tool axis at each point of a tool path is optimised while ensuring quality constraints. These are modelled using the Domain of Admissible Orientation (DAO) concept expressed in the P-System and transformed into the M-System. This article aims at defining the DAO and presents an example of optimisation using this concept. This optimisation is a minimisation of the movement generated by each rotation axis and is applied to two test parts.