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1. Multi Jet Fusion (MJF) Submitted By : Prashant (232311011) Department of Mechanical Engineering MTech (CAD/CAM) Computer Aided Product Design MEL538 Submitted to – Dr Hargovind Soni

2. CONTENTS Introduction Working of MJF Advantages of MJF Applications of MJF Limitations of MJF Future trends of MJF Conclusion

3. INTRODUCTION Multi Jet Fusion (MJF) is an advanced additive manufacturing (AM) or 3D printing technology that has gained significant attention for its ability to produce high-quality, complex parts with exceptional speed and precision. MJF represents a revolutionary step forward in the world of additive manufacturing, offering a unique set of advantages that make it stand out among other 3D printing methods.

4. WORKING of MJF Preparation of the Powder Bed: The process begins with a thin layer of powdered material spread uniformly across the build platform. This material serves as the base for the 3D printing process. Inkjet Printing of Fusing and Detailing Agents: Two liquid agents are selectively jetted onto the powder bed. The first is the fusing agent, which absorbs infrared (IR) light, and the second is the detailing agent, which modifies the surface properties of the powder.

5. WORKING OF MJF Heating and Fusion: A heating element passes over the powder bed, applying energy selectively based on the digital model's cross-section. The areas with the fusing agent absorb more energy, leading to localized melting and fusion of the powder particles. Cooling and Solidification: After fusion, the molten areas cool rapidly, solidifying into a solid layer. The detailing agent contributes to the final part's surface quality, enhancing details and improving the overall finish. Layer-by-Layer Build: Steps 2-4 are repeated for each layer until the entire object is formed.

6. WORKING OF MJF

7. ADVANTAGES of MJF High Speed Production Exceptional Precision Versatility in Materials Cost-effective Production Enhanced Mechanical properties Complex Geometries Scalability,visuals

8. APPLICATIONS of MJF Prototyping Manufacturing Tooling End-use parts in Automotive Aerospace Components Medical Device and Prosthetics Consumer goods & Electronics Architectural Models

9. LIMITATIONS Material Limitations Post-processing requirements Energy Consumption Build size constraints Part orientation challenges Initial Capital Investments

10. FUTURE TRENDS in MJF Advanced Materials Improved speed and scalability Past-processing Automation Integration with Industry 4.0 Customization and Design freedom

11. CONCLUSION Multi Jet Fusion (MJF) stands as a transformative force in the realm of additive manufacturing, offering a unique combination of speed, precision, and material versatility. Throughout this presentation, we've explored the key aspects of MJF, from its fundamental working principles to its diverse applications in various industries.

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