Abstract
The goal of this research is to design, build, and test a novel and unique Hybrid 3D metal printer technology system employing both additive and subtractive processes in one unit. The system is capable of producing a high quality finished components on one setup. The Hybrid 3D metal printer technology is an integration of control and physical systems of Gas Metal Arc Welding (GMAW) unit used for material deposition and a Computer Numerically Controlled (CNC) milling machine used for material removal. This system provides a smaller footprint and a more cost-effective way to produce complex metal parts than other competitive 3D metal printing technologies. Both 3D metal printing and machining are digitally controlled from a computer program using a standard digital interface utilizing CNC programming. As a supplementary benefit, the proposed Hybrid 3D metal printer is user-friendly; a user without additional experience than CNC machining can produce functional, high-quality products.