This research developed a CAM S/W, which generates an adaptive 5-axis tool path, to optimize the quality of Direct Energy Deposition (DED) 3D printing. After reconstructing part shapes and generating printing paths in each shape, the path simulation including automatic collision detection was implemented. Productivity and printing quality were improved through equipment improvement and process optimization. In addition, high-quality parts with desirable physical and mechanical properties were produced by generating an adaptive 5-axis path specialized in the printing process that reflects various physical phenomena and monitoring results. Finally, the performance of CAM S/W was verified through the production of prototypes for industrial components.
3D printing technology was developed in the early 1990s, and continues to grow to the present day. Globally, 3D printing technology developed as processing technology, but now progresses to various application technologies. Korea had an initial interest in overseas 3D printing technology, but the first prototype industries were limited. Recently, 3D printing technology has been attracting attention as a future technology, and the interest of people and research have been greatly increased. In Korea, it is known that many researches related to 3D printing are performed recently. However, it is true that research on the quantitative counting of specific research fields and analysis has not been sufficiently reviewed. Therefore, this paper introduces study results to understand trends of 3D printing research in Korea and to extract the mainstream fields, focusing on the articles published in Korean journals. This paper shows various indexes, such as the number of papers per year, as well as research fields and tendency of increases and decreases calculated and introduced with this topic.
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