3D-Printing.ppt
- 2. What and How Categories 3D Model Creation File Formats Printers Applications Services Challenges 3D Printing
- 3. • A manufacturing process • 3D objects • Additive (one layer at a time) • According to 3D models http://3dprinting.com/what-is-3d- printing/#whatitis What is 3D Printing?
- 4. What is 3D Printing? "Rapid prototyping slicing" by Materialgeeza - Own work. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia. org/wiki/File:Rapid_prototy ping_slicing.jpg#/media/File :Rapid_prototyping_slicing. jpg
- 5. • Additive: one layer at a time • Common methods for producing layers: FDM, SLS, SLA • FDM: fused deposition modeling • SLS: selective laser sintering • SLA: stereolithography How does it work?
- 6. • Extrusion Deposit • Vat Photopolymerisation • Material Jetting • Binder Jetting • Powder Bed Fusion • Sheet Lamination • Directed Energy Deposition Categories of Additive Manufacturing (American Society for Testing and Materials)
- 7. Extrusion Deposit "FDM by Zureks" by Zureks - Own work. Licensed under GFDL via Commons - https://commons.wikimed ia.org/wiki/File:FDM_by_Z ureks.png#/media/File:FD M_by_Zureks.png • A.k.a: fused deposition modeling (FDM) • Most commonly used • Prototyping • Inexpesive
- 8. Extrusion Deposit "Extruder lemio" by Lemio - http://reprap.org/wiki/File:Extr uder_lemio.svg. Licensed under GFDL via Commons - https://commons.wikimedia.o rg/wiki/File:Extruder_lemio.sv g#/media/File:Extruder_lemio. svg • Structure of an Extruder • Demo of FDM https://youtu.be/WHO6G67GJbM
- 9. Extrusion Deposit Extrusion Materials • acrylonitrile butadiene styrene (ABS) • polylactic acid (PLA) • high-impact polystyrene (HIPS) • thermoplastic polyurethane (TPU) • aliphatic polyamides (nylon), • Polyether ether ketone (PEEK) • paste-like materials (ceramic, chocolate, …)
- 10. • E.g.: Selective laser sintering (SLS) "Selective laser melting system schematic" by Materialgeeza - Own work. Licensed under CC BY- SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Selective_laser_melting_system_schematic.jpg#/media/ File:Selective_laser_melting_system_schematic.jpg Powder Bed Fusion
- 11. • Selective laser sintering (SLS) • Developed in 1980s at UT Austin • Pattern expired 2014 • Materials: metals, polymers, nylon • In powder form. • Un-melted powder becomes supporting material. Powder Bed Fusion
- 12. Vat Photopolymerisation "Stereolithography apparatus" by Materialgeeza - Own work. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wik i/File:Stereolithography_apparatus. jpg#/media/File:Stereolithography_ apparatus.jpg Examples: SLA (stereolithography) CLIP (Continuous Liquid Interface Production)
- 13. Image source: CustomPartNet Material Jetting Image source: CustomPartNet
- 15. • 3D Scanners e.g.: Kinect • CAD (Computer-Aided Design) software e.g.: AutoCAD (free for students) http://www.autodesk.com/education/free-software/all • Visualization software e.g. VTK http://www.vtk.org/ 3D Model Creation
- 16. STL: STereoLithography https://en.wikipedia.org/wiki/STL_%28file_format%29 • By 3D Systems • Triangulated surface meshes • ASCII or binary • No unit • No color 3D Print File Format
- 17. 3MF: 3D Manufacturing Format www.3mf.io • Geometries (Triangulated, NURBs, …) • Materials (Color, Texture, Composite) • Open source 3D Print File Format
- 18. 3D Print File Format
- 19. 3MF: 3D Manufacturing Format www.3mf.io • Microsoft • Consortium • https://github.com/3mfconsortium • Microsoft donated code reads STL/OBJ/3MF, writes 3MF • http://www.3mf.io/what-is-3mf/3mf-specification/ 3D Print File Format
- 20. 3MF Example created by Kinect Supported in Windows 10 3D Print File Format
- 21. • Prusa (RepRap.org) • MakerBot Replicator • LulzBot TAZ • MakerGear • Formlabs • Ultimaker • Polymaker (printing materials) 3D Printers
- 22. https://www.google.com/search?q=3D+printing&biw=1280&bih=689&source=lnms&tbm =isch&sa=X&ved=0CAgQ_AUoA2oVChMI3rKu4IWLyAIVi0mSCh1NwQpL • Prototyping • Manufacturing (cars, houses,..) • Arts • Entertainment • Medicine • Food • Personal Applications
- 23. Printing Services: • Sculpteo • Ponoko • Shapeways 3D Printing Services
- 24. Model Services: • Pinshape • CGTrader • MyMiniFactory • Thingiverse • Yeggi 3D Printing Services
- 25. • True color objects • Supporting curved objects in FDM • Voxelization (non smooth surface and internal fracture) Challenges in 3D Printing