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Section 3 Group 7 - 3D Printing
- 1. GCIT1015 TOPIC: 3D PRINTING HUNG YUEN YAU MOK WING YAN WU YUE HENG
- 3. INTRODUCTION • Additive manufacturing process that creates a physical object from a digital design • Chuck Hull invented the first 3D printing process called ‘stereolithography’ in 1983 • Become popular since 2009 • 300,000 consumer of 3D printers in the world now
- 4. VIDEO
- 5. PROCESS OF MAKING 3D-PRINTED PRODUCTS 1 • Melt a plastic material 2 • Lay on a print platform 3 • Use a laser to selectively melt metal powder at high temperatures
- 6. SELECT THE RIGHT 3D PRINTING MATERIALS Industrial Metals • ✅ Create functional prototypes & mechanical parts • ❎ Cavities within design Rubber-like Plastic • ✅ Fine details & smooth surfaces • ❎ End products (sensitive to UV light) Full Colour Sandstone • ✅ Complex models • ❎ Functional parts
- 7. SURVEY RESULTS • most of the participants know what is 3D-printing. • 85% of them have never tried or bought any 3D- printing products • a lot of people interested in this https://docs.google.com/forms/d/e/1FAIpQLSffjnZIXWMYNG7Z Km5sPFLqMsDEvKV8wkB07QsNuk5Otmxq9Q/viewform
- 8. REASONS OF NOT USING 3D-PRINTED PRODUCTS • concern the cost • not feel familiar with the technology • useless • get some technical problems with it. • if the technology wants to become popular, the problems mentioned before should be improved.
- 9. PROSPECTS & FUTURE IMPROVEMENT OF 3D PRINTING • positive attitude • cheaper price • higher variety of usage should be improved • although 3D-printing technology is not that mass-oriented • the majority is interested in it. • If some of the aspects can be improved, it would become popular.
- 10. FUTURE PROSPECTS EDUCATIONAL USE • cultivate hands-on learning • explore areas of conceptualisation, design, technology application, applied sciences and small scale manufacturing. • enhances the learning experience of students • accurately for students of art, graphic design and artisan skills such as sculpting and pottery • opens up a whole new world of exploration • Projects can be done in a much shorter period of time. • The physical are transferred in to compute aided design programs • easier to augment, correct and improve before they are made into three dimensional realities
- 11. FUTURE PROSPECTS Industrial use • All great innovations require large scale investments to find footing as they evolve. • 3D printing is already seeing significant interest from corporations and investors. • not only makes it a viable alternative to traditional manufacturing methods and an alluring investment opportunity for innovators • allows it to be integrated into the mainstream consumer usage. • critical towards making 3D printing a norm in society. • One of the fundamental methods of industrial usage for 3D printing lies in its use for rapid prototyping. • As industries use 3D printing to produce and test their products it brings the cost of creating mass producible items down and makes it cheaper for the end-user.
- 12. FUTURE PROSPECTS Medical Use • The use of 3D printing in bio-sciences is still very much in its infancy but theoretical research is still on-going • scientists have figured out how to print blood vessels using this new technology. • A category of medical usage has been very controversial as it is involved with directly creating human tissues. • the printing of meat tissue of animals • create functional liver tissue in the lab which are reactive for drug testing and surgical practice. • organs is still slow but is predicted to be a reality some point in the future.
- 13. FUTURE PROSPECTS • Aircrafts and Aerospace – improve the performance by reducing the maintenance requirements and saving fuel costs with lighter parts. – 3D printed attach components are 65% lighter than traditional aircraft parts but just as strong • Defense – Much of the machinery used in the military is complex and produced in relatively low volumes. – they must be strong, durable and reliable. – 3D printing technology can be used to create parts that can survive the rigour of a battlefield, and very importantly, at much cheaper prices. • Automotive – The automotive sector has already started using 3D printing to make complex parts. – take the marketing scenario of automobiles to a whole new, more visually detailed, dimension.
- 14. END