1. 3D PRINTINGK.R.SHYAM114P1AO438ELECTRONICS AND COMMUNICATION ENGINEERINGYOGANANDA INSTITUTE OF TECHNOLOGY AND SCIENCESMOHAN REDDY NAGAR, ELAMANDYAM (V), RENIGUNTA (M), TIRUPATI-517501, A.P.

2. OUTLINEWHAT IS 3D PRINTING?HISTORYRAPID PROTOTYPINGSTEREO LITHOGRAPHYFUSED DEPOSITION MODELINGSELECTIVE LASER SINTERING3D PRINTER3D PRINTING PROCESS3D PRINTER INTERNAL PARTSSTEPS INVOLVED IN MAKING A MODELAPPLICATIONS 3. WHAT IS 3D PRINTING? It is one rapid prototyping technologies. It creates physical models from CAD and other digital datalayer by layer. Its widely used, especially in product designing. It reduces a lot of time and cost. Its a developing technology.3 4. WHY 3D PRINTING? Lower cost of prototyping. Has more design iterations to choose. Decreases length of the design process. 3D Printers are small and affordable.4 5. HISTORY 3D printing was firstintroduced by Hideo Kodamaof Nagoya Municipal IndustrialResearch Institute in 1982. The first working 3D printerwas created in 1984 byCharles W. Hull of 3D SystemsCorp. 6. RAPID PROTOTYPINGRapid prototyping is also termed as Additive manufacturing.It works on the principle of producing a part by making multipleslices that is cross sections.Rapid prototype involves three steps :-Stereo lithography (1988)Fused Deposition Modeling (1990)Selective Laser Sintering (1992) 7. STEREO LITHOGRAPHY (STL)The STL (stereo lithography)file format is supported bymany other softwarepackages.It is widely used for rapidprototyping and computer-aidedmanufacturing anddesign (CAM-CAD). 8. FUSED DEPOSITION MODELING 9. SELECTIVE LASER SINTERING (SLS)Can be used for boththermoplastics and metal.Powder is fed into acontinuous layer.Laser is used to fuse/sinterpowder particles layer-bylayer.Produces functional parts.Layer thickness 0.004 orless. 10. 3D PRINTER 11. 3D PRINTING PROCESS 12. 3D PRINTER INTERNAL PARTS 13. STEPS INVOLVED IN MAKING A MODELStep-1CAD->MESHStep-2ZPRINT->LAYERSStep-33DPRINTER->FINAL MODEL 14. WHAT HAPPENS INSIDE A 3D PRINTERDispensed metal powder inlayers.Cross-section molten in a highvacuum with a focusedelectron beam.Process repeated until part iscompleted.Stainless steel, Titanium,Tungsten partsIdeal for medical implants andinjection molds.Still very expensive process. Electron Beam Melting (EBM) 15. USES OF 3D PRINTING3D can be used in different fields some of them are given below:DefenseMedicineAirplanesAutomotive industryBrick and mortar retail 16. APPLICATIONS 17. CONCLUSIONWith a 3D printer youcan bring CAD files and designideas to life right from your desktop.Test form, fit and function and asmany design iterations as youlike with functional parts. 18. FUTURE ADVANCEMENTSReplicating ancient and priceless artifacts in archaeologyReconstructing bones and body parts in forensic pathologyReconstructing heavily damaged evidence acquired from crime sceneinvestigations.The technology is currently being researched for building constructionIt will change the world we know. Before you know it. 19. http://www.3dsystems.com/WEBHOSTERShttp://en.wikipedia.org/wiki/3dprintinghttp://www.3dprinter.net/reference/what-is-3d-printinghttp://www.3ders.org/3d-printing.htmlhttp://www.robo3dprinter.com/pages/what-is-3d-printinghttp://www.popular3dprinters.com/electron-beam-melting-ebm/ 20. THANKING YOUSpecial thanks to:CHIEF PATRON: D.MOHAN REDDYPATRON: Dr.K.S.SUBBARAMAIAHCONVENOR: Mr.CHANDRA BABUANDRESPECTED JUDGESYOGANANDA INSTITUTE OF TECHNOLOGY AND SCIENCESMOHAN REDDY NAGAR, ELAMANDYAM (V), RENIGUNTA (M),TIRUPATI-517501, A.P