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IJMERR 2022 Vol.11(7): 542-548

Deposition Toolpath Pattern Comparison: Contour-Parallel and Hilbert Curve Application

Juan C. Guacheta Alba, Diego A. Nunez, Mauricio Mauledoux, and Oscar F. Aviles
DAVINCI Research Group, Mechatronics Engineering Department, Universidad Militar Nueva Granada, Colombia

Abstract—For the construction of a piece using additive manufacturing technology, there are several methods of toolpath planning, which affect the quality and quantity of material deposited. In this document, we take an approach to commonly used patterns, and propose two path planning techniques based on contour-parallel and Hilbert curves, applying a smoothing process on them. To evaluate these methods, the areas of overfilling, underfilling and external filling are quantified; as well as the length of the deposited material, the travel moves and the estimated time in the printing process. A comparison is presented with the trajectories offered by a commercial software. The planning and quantization method has been implemented in MATLAB and evaluated on diverse geometries to be filled.

Index Terms—additive manufacturing, continuous fill pattern, contour-parallel, Hilbert curve, toolpath planning

Cite: Juan C. Guacheta Alba, Diego A. Nunez, Mauricio Mauledoux, and Oscar F. Aviles, "Deposition Toolpath Pattern Comparison: Contour-Parallel and Hilbert Curve Application," International Journal of Mechanical Engineering and Robotics Research, Vol. 11, No. 7, pp. 542-548, July 2022. DOI: 10.18178/ijmerr.11.7.542-548

Copyright © 2022 by the authors. This is an open access article distributed under the Creative Commons Attribution License (CC BY-NC-ND 4.0), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.