In this report, we introduces a pioneering 3D printing technology in the realm of rotor prototyping for brushless DC motors and actuators. This technology is notable for its ability to orient hard magnetic materials anisotropically within a magnetic field, significantly enhancing manufacturing processes in this domain.

Key innovations include the development of a novel 3D printing approach that aligns magnetic particles during the printing process, ensuring superior efficiency and quality in magnetic component production. Our project emphasizes sustainability by repurposing recycled NdFeB magnets for feedstock powder, achieving a material yield of approximately 97% and allowing for material reuse up to five times.

Moreover, the technology offers substantial cost and time savings over traditional manufacturing methods, such as injection molding, facilitating quicker prototype testing and design iteration.

Technological breakthroughs include a sensor system development for filament quality control, ensuring consistent production standards. Additionally, a specialized holder for in-situ magnetic field application has been introduced, enabling precise particle alignment crucial for manufacturing magnets with superior properties. The technology's versatility is demonstrated in its ability to produce complex-shaped magnets, significantly benefiting the performance and efficiency of brushless DC motors.

The project sets new benchmarks in 3D printed magnetic materials and also advances sustainable manufacturing practices. With its wide-ranging applications across multiple industries, the project is poised to make a significant impact on both the scientific and business landscapes, heralding a new era in advanced manufacturing technologies.