Abstract
Deposition processes, such as Wire & Arc Additive Manufacturing (WAAM), have important perspectives in industry, due to their capacity to produce large near-shape parts with high productivity. Beyond process-material issues, deposition path planning is one of the major challenges to allow a wide use of these processes using multi-axis machines or robots. Early CAM software solutions dedicated to multi-axis additive manufacturing have been already commercialised. However, few elementary deposition strategies are currently available. In this article, the possibilities of multi-axis deposition and the developments needed to improve deposition path generation are highlighted through the analysis of a hollow half-sphere as a case study. Deposition strategies are experimentally tested on two different robotised polymer deposition systems. Based on the comparison of the trials, the issues related to the portability of technology from a specific machine setup to a different one are discussed. Finally, a framework for future Computer-Aided Multi-Axis Additive Manufacturing (CAMAAM) software is proposed.
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