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Particle Swarm Optimization of Printing Parameters for Open-source TIG-based Metal 3D Printing

Chinese Journal of Mechanical Engineering(Additive Manufacturing Frontiers) 2022年第4期1卷 27-35页

作者： Shane Oberloier Wilson J Holmes luke a reich Joshua M Pearce Department of Electrical&Computer Engineering Michigan Technological UniversityHoughtonMI 49931USA Department of Mechanical Engineering–Engineering Mechanics Michigan Technological UniversityHoughtonMI 49931USA Department of Electrical&Computer Engineering Ivey Business SchoolWestern UniversityLondonN6A 5B9Canada

Proprietary metal 3D printing is still relegated to relatively expensive systems that have been constructed over years of expensive trial-and-error to obtain optimum 3D printing ***-cost open-source metal 3D printers can potentially democratize metal additive manufacturing;however,significant resources are required to redevelop optimal printing parameters for each metal on new *** this study,the particle swam optimization(PSO)experimenter,a free and open-source software package,is utilized to obtain the optimal printing parameters for a tungsten inert gas-based metal open source 3D *** software is a graphical user interface implementation of the PSO method and is designed specifically for hardware-in-loop *** uses the input of experimental variables and their respective ranges,and then proposes iterations for experiments.A custom fitness function is defined to characterize the experimental results and provide feedback to the algorithm for low-cost metal additive *** separate trials are performed to determine the optimal parameters for 3D ***,an experiment is designed to deposit and optimize the parameters for a single ***,the parameters for a single-layer plane is optimized ***,the optimal printing parameters for a cube is determined ***,the line optimization experiment is revised and reconducted using different shield gas *** results and limitations are presented and discussed in the context of expanding wire arc additive manufacturing to more systems and material classes for distributed digital manufacturing.

关键词： Metal 3D printing Additive manufacturing Tungsten inert gas welding TIG welding Particle swarm optimization RepRap

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