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Optimal selection of machining direction for three-axis milling of sculptured parts

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Abstract

In the field of free form surface machining, CAM software allows management of various modes of tool-path generation (zig-zag, spiral, z-level, parallel plan, iso-planar, etc.) leaning on the geometry of the surface to be machined. Various machining strategies can be used for the same shape. Nevertheless the choice of a machining strategy remains an expert field. Indeed there are no precise rules to facilitate the necessary parameter choice for tool-path computation from analysis of the numerical model of a part and the quality requirements. The objective of this paper is to provide a method to assist in the choice of the machining direction for parallel plane milling of sculptured parts. The influence of the tool-path on final quality according to the intrinsic geometrical characteristics of the latter (curves, orientation) was studied. Directional beams are introduced and defined from the local surface parameter. Finally, a methodology to optimize machining time while guaranteeing a high level of quality was developed and applied to examples.

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Authors and Affiliations

  1. Department of Machines, Mechanisms and Systems, LaMI IFMA/Université Blaise Pascal, Campus de CLERMONT-FERRAND, Les Cézeaux, BP 265, 63175, Aubière Cedex, France

    Yann Quinsat & Laurent Sabourin

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  1. Yann Quinsat
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  2. Laurent Sabourin
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Correspondence to Yann Quinsat.

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Quinsat, Y., Sabourin, L. Optimal selection of machining direction for three-axis milling of sculptured parts. Int J Adv Manuf Technol 33, 684–692 (2007). https://doi.org/10.1007/s00170-006-0515-5

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  • DOI: https://doi.org/10.1007/s00170-006-0515-5

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