Automated JOB code generation for wire arc additive manufacturing.
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| Title: | Automated JOB code generation for wire arc additive manufacturing. |
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| Authors: | Jeon, Jongho1 (AUTHOR), Lee, Sangmin2 (AUTHOR), Kim, Hansol1 (AUTHOR), Cho, Jungho1 (AUTHOR) junghocho@cbnu.ac.kr |
| Source: | Journal of Mechanical Science & Technology. Apr2026, Vol. 40 Issue 4, p2859-2864. 6p. |
| Subjects: | Robotic path planning, Robot programming, Robot motion, Electric welding, Code generators, Industrial robots, MatLab (Computer software), Process optimization |
| Abstract: | Currently, additive manufacturing (AM) processes are being researched in various forms due to their advantages in producing shapes impossible with traditional machining and reducing production costs. Among these, the wire arc additive manufacturing (WAAM) process is utilized in various fields such as aerospace, automotive, and energy industries due to its ability to manufacture at high speeds compared to other metal AM processes. However, existing path generation software for AM does not work correctly on non-dedicated equipment and lacks the flexibility to freely adjust process parameters. Therefore, this study aims to develop an algorithm to automatically generate paths for WAAM using MATLAB. Based on a path generation algorithm for widely used 3D printers, it was modified to fit Hyundai Robotics' JOB code format and added parameters such as inter-layer cooling time and welding power control. In this study, a MATLAB-based algorithm was developed to generate robot JOB codes for WAAM from STL files. The algorithm was customized to support Hyundai Robotics' 6-axis robots, incorporating process parameters such as inter-layer cooling time, welding power control, and layer offsets. As a result, a single STL model of a complex rocket shape was successfully converted into 298 executable JOB code files within 7.35 seconds. These JOB codes were validated through an offline programming (OLP) simulation system, confirming correct layer-by-layer deposition pathing and realistic robot motion. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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