Title: Study of polynomial path parameterisation for side milling of sculptured surfaces

Authors: Stephanie Chevalier, Jean-Noel Felices, Xavier Pessoles, Walter Rubio

Addresses: ALMA SAPEX 65350 Lizos, France. ' Universite de Toulouse, INSA, UPS, LGMT (Laboratoire de Genie Mecanique de Toulouse), 1, rue Lautreamont, F-65016 Tarbes, France. ' Universite de Toulouse, INSA, UPS, LGMT (Laboratoire de Genie Mecanique de Toulouse), 118, route de Narbonne, F-31077 Toulouse, France. ' Universite de Toulouse, INSA, UPS, LGMT (Laboratoire de Genie Mecanique de Toulouse), 118, route de Narbonne, F-31077 Toulouse, France

Abstract: The present article focuses on side milling of wooden workpieces on a five-axis NC machine tool. Firstly, a path comprising points and axes is sensed on a manually produced prototype. To control the machine continuously, the path on the machine has to be programmed using a polynomial curve. The influence of parameterisation associated with a scatter pattern of points over the continuity of feed rates is studied. In order to avoid sudden variations in speeds that can lead to burning on the wooden workpieces, the relation to be respected between parameterisation and the tangents associated with interpolation points is demonstrated.

Keywords: sculptured surfaces; five-axis machining; side milling; polynomial paths; 5-axis machining; wooden workpieces wood; parameterisation.

DOI: 10.1504/IJMMM.2010.036146

International Journal of Machining and Machinability of Materials, 2010 Vol.8 No.3/4, pp.384 - 407

Published online: 22 Oct 2010 *

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