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Compensation of machining errors of Bspline and Cspline

Msaddek, El Bechir and Baili, Maher and Bouaziz, Zoubeir and Dessein, Gilles Compensation of machining errors of Bspline and Cspline. (2018) The International Journal of Advanced Manufacturing Technology, 97 (9-12). 4055-4064. ISSN 0268-3768

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Official URL: https://doi.org/10.1007/s00170-018-2160-1

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 theHuron 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.

Item Type:Article
HAL Id:hal-02082154
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Université de Sfax (TUNISIA)
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Deposited On:28 Feb 2019 14:33

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