| Abstract Scope |
Binder jet 3D printing (BJ3DP) enables complex geometries using diverse materials, including metals, polymers, and ceramics. A key element influencing print quality is the material dispenser, which affects layer uniformity, material utilization, and part precision. This paper details the design and preliminary analysis of a multimaterial dispenser prototype for ceramic powders using BJ3DP. The dispenser allows simultaneous deposition of different powders, including magnetic ceramics, using a modular design adaptable to varying particle sizes, densities, and flow properties. Innovations include a fine metering mechanism, vibration-assisted flow, and real-time feedback control. Discrete Element Method (DEM) simulations and experiments confirm the dispenser’s ability to maintain uniform layering, minimize contamination, and improve material efficiency. Developed as a senior design project, it offers both educational value and technical advancement. The dispenser shows promise for fabricating eddy-current-reduced stator parts in high-efficiency motors, with future work focused on design optimization, scaling, and integration into automated BJ3DP systems. |