Transactions of Nanjing University of Aeronautics & Astronautics
Global Tool Path Fairing Algorithm for Automated Fiber Placement
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Abstract:
A global energy fairing method, applied to automated fiber placement (AFP) tool path, was proposed. The main purpose was to improve the adaptability of AFP path towards part with sharp curvature variation as well as product quality. The relation between path geometric property and manufacturing property was discussed and a series of experiments were carried out. Based on cubic B-Spline global fairing method, the AFP tool path was faired which decreased the tool path curvature and curvature changing rate. Compared with initial ones, the path faired by the proposed method was relatively flat and smooth, which contributed to layup efficiency and reducing bulking defects. The method was demonstrated potentials in application for AFP manufacturing, especially for aeronautic and aerospace industry practice.
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