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3D-Printers Presentation

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Sonali Nehra

on 6 May 2013

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Transcript of 3D-Printers Presentation

Sonali Nehra
FET/CS(F)/242 3D-Printers 3D printing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. History Agenda 1.
6. What is a 3D - Printer? History How does it work? Pros/Cons Applications Future Scope/Conclusion How does it work? Pros / Cons Software Pros Cons Methods of 3D Printing 1. Steriolithography
2. Digital Light Processing
3. Selective Laser Sintering
4. Electron Beam Melting
5. Multi-Jet Modeling
6. Fused Deposition Modeling Pros Cons Software Used Auto CAD
etc... Stereolithography Digital Light Processing Selective Laser Sintering Electron Beam Melting Multi-Jet Modelling Fused Deposition Modeling Uses a high power laser to fuse small particles of plastic, metal (direct metal laser sintering), ceramic, or glass powders into 3D-Products. Stereolithography More accurate
Great detail
Smooth surface Limited Material Options
Color models cannot be created Digital Light Processing Pros Cons Selective Laser Sintering Stronger Material
More Material Options: Thermoplastics, Metal Powders, and Ceramic Powders More Inaccurate
Rough Surface
Less Detail
No Custom Colours Supported Uses Titanium Alloys and Chrome Material
Product is Dense and Strong No Colour Support Great Accuracy
Excellent Surface Finish
High Resolution No Colour
Not The Strongest Material Pros Cons Electron Beam Melting 1993-96 1997-2006 2008 2008-now 3D Printing Timeline Evolution of Methods 1. Stereolithography (SL)
2. Fused Deposition Modeling (FDM)
3. Selective Laser Sintering (SLS)
4. Dimensional Printing (3DP)
5. Polyjet
6. Polyjet Matrix Applications "If you can draw it you can make it!" Medicine Archeology and Paleontology/
Art and Cultural Heritage Food Clothing / Fashion Entertainment and Toys Pros Cons Multi-Jet Modeling Very Accurate
High Quality Colour Models Rough Surface
Weak Material Strength Pros Cons Fused Deposition Modeling Very Accurate
Great Material Strength
Possible to Create Colour Models 1986 Future Scope / Conclusion Endless Possibilities Ability to create anything and everything Many people will adapt to 3D Printer made appliance because of the customizations Some industries might be gone in the future,
and some industries may rise. Can be DANGEROUS. Work Cited YOU are basically God. Thank you. Automotive/ Space Exploration Image Source: https://d2t1xqejof9utc.cloudfront.net/competition_pics/pics/137/medium.jpg?1328121944



http://3-dprintingcompanies.com/wp-content/uploads/2012/07/3d_printed_object1.jpeg Source:_http://common.ziffdavisinternet.com/encyclopedia_images/_3DEBM.GIF Image Source: b.vimeocdn.com/ts/174/987/174987091_640.jpg Rough Surface http://technabob.com/blog/2012/02/08/worlds-first-3d-printed-jaw/ http://www.huffingtonpost.com/2011/03/09/printing-a-kidney_n_832992.html http://www.printcan.com/news/2012/20120912590.shtml http://news.cnet.com/8301-13772_3-57384166-52/smithsonian-turns-to-3d-to-bring-collection-to-the-world/ http://article.wn.com/view/2012/04/26/MOSI_mummy_exhibit_unwraps_thousands_of_years_of_mysteries/ http://www.3ders.org/articles/20111114-10-unusual-3d-printing-objects.html http://www.popsci.com/technology/article/2011-03/cornell-culinary-institute-mashup-uses-3-d-printer-produce-edible-objects http://www.technovelgy.com/ct/Science-Fiction-News.asp?NewsNum=3573 http://www.inewidea.com/2010/08/06/32722.html http://www.3ders.org/articles/20111114-10-unusual-3d-printing-objects.html http://www.guardian.co.uk/technology/2011/nov/17/3d-printing-throwaway-culture http://www.geeky-gadgets.com/urbee-3d-printed-prototype-hybrid-car-getting-closer-to-production-21-09-2011/ http://i.dailymail.co.uk/i/pix/2011/08/07/article-2023469-0D554E1E00000578-740_468x317.jpg Source: http://b.vimeocdn.com/ts/174/987/174987091_640.jpg Charles Hull invents
Stereolithography to create
3D models before manufacturing MIT introduces layer by layer 3D printing, later licensed to Z Corporation. This method is like a regular ink jet printer except it prints upwards in 3D rather than across in 2D. 3D printer were costly and mostly used for industrial modeling until RepRap (replicating rapid prototyper) was announced in 2006 RepRap went on sale and was capable of producing 50% of its own parts making it the first self replicating 3D printer 3D printing started to become thought of as more than just a prototyping tool and more of a manufacturing tool. It all starts with making a virtual design of the object you want to create. This virtual design is made in a CAD (Computer Aided Design) file using a 3D modeling program or with the use of a 3D scanner The software slices the final model into
hundreds or thousands of horizontal layers.
When this prepared file is uploaded in the
3D printer, the printer creates the object layer by layer.
The 3D printer reads every slice (or 2D image)
and proceeds to create the object blending
each layer together with no sign of the layering
visible, resulting in one three dimensional object. Input Process Output Digital input Solid 3D object The material begins as a liquid and changes to a solid when hit by a concentrated beam of ultraviolet light. Simmilar to SLA, except object starts as a vat of full liquid. takes place in a vacuum; begins by spreading down a layer of metal powder (most often titanium). An electron beam melts the powder into a solid layer. It spreads a layer of resin powder and
then sprays a colored binding glue-like substance that hardens the powder
into a single layer. uses a heated extrusion nozzle that melts a material (e.g., plastic) as it comes out, which hardens almost immediately. It can move around both horizontally and vertically
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