Research on Subdivision Interpolation for High Speed CNC Applications

Abstract:

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High speed CNC machining relies on the smooth interpolation of tool path in order to prevent impact and vibration. We present a new interpolation scheme for CNC controller based on 6-point subdivision. The subdivision interpolation improves the smoothness of the original trajectory, while maintaining the accuracy. The algorithm is simple and effective, and therefore it is suitable for real-time execution in CNC controllers. Simulation results show that the proposed method performs better than linear interpolation, since the tracking error and contour error is reduced.

Info:

Periodical:

Edited by:

Hun Guo, Taiyong Wang, Zeyu Weng, Weidong Jin, Shaoze Yan, Xuda Qin, Guofeng Wang, Qingjian Liu and Zijing Wang

Pages:

449-454

DOI:

10.4028/www.scientific.net/AMM.141.449

Citation:

J. C. Dong et al., "Research on Subdivision Interpolation for High Speed CNC Applications", Applied Mechanics and Materials, Vol. 141, pp. 449-454, 2012

Online since:

November 2011

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$35.00

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