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Compensation of machining errors of Bspline and Cspline

  • El Bechir MsaddekEmail author
  • Maher Baili
  • Zoubeir Bouaziz
  • Gilles Dessein
ORIGINAL ARTICLE

Abstract

The evolution of the interpolation methods towards a very high technicality requires a good choice of used type in the operation of high-speed milling (HSM). The “Bspline” and “Cspline” interpolations present good solutions to guarantee the tool’s continuous movement during machining. However, in a previous article, we have shown by a simulation tool that they generate significant dimensional errors that decrease the precision of the machined part. In this article, a method of compensating for these errors based on the insertion of the nodes, while respecting the predefined tolerance, has been developed. To do this, we have modeled and simulated machining errors before and after compensation for each type of interpolation. To validate our results, we have machined a test piece with the compensated and uncompensated Bspline and Cspline interpolations on the Huron KX10 machine and we have measured the corresponding machining errors. The results have shown that the method of compensation by the insertion of the nodes causes a significant reduction of the machining errors.

Keywords

Bspline Cspline Modeling Simulation Compensation Insertion Nodes Errors HSM 

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  • El Bechir Msaddek
    • 1
    Email author
  • Maher Baili
    • 2
  • Zoubeir Bouaziz
    • 1
  • Gilles Dessein
    • 2
  1. 1.ENIS, Unit of Applied Fluids Mechanics of Process Engineering and EnvironmentUniversity of SfaxSfaxTunisia
  2. 2.ENIT-INPT, Laboratoire Génie de ProductionUniversity of ToulouseTarbesFrance

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