Compensation of machining errors of Bspline and Cspline

Compensation of machining errors of Bspline and Cspline 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’scontin- uous 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 com- pensation by the insertion of the nodes causes a significant reduction of the machining errors. . . . . . . . . Keywords Bspline Cspline Modeling Simulation Compensation Insertion Nodes Errors HSM 1 Introduction the warped shape, but it generates large errors when crossing the discontinuities http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Compensation of machining errors of Bspline and Cspline

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Publisher
Springer London
Copyright
Copyright © 2018 by Springer-Verlag London Ltd., part of Springer Nature
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-018-2160-1
Publisher site
See Article on Publisher Site

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’scontin- uous 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 com- pensation by the insertion of the nodes causes a significant reduction of the machining errors. . . . . . . . . Keywords Bspline Cspline Modeling Simulation Compensation Insertion Nodes Errors HSM 1 Introduction the warped shape, but it generates large errors when crossing the discontinuities

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Jun 6, 2018

References

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