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Transcript of 3D-Printers Presentation
Prasaanth, Bhargav, Sai 3D-Printers What is 3D-Printing A printer that uses an additive process of successive layers of materials to create a 3D object. 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 3D-Printers use computer aided
drawings (CAD) or computer
modeled figures to coordinate
and develop a product. Decodes two types of files: .VRML
.STL 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... Hardware 3D-Printers divide the 3D models or drawings into successive layers, and lay down the materials according to each cross section. There are 6 main methods for 3D printing. Setreolithography Digital Light Processing Selective Laser Sintering Electron Beam Melting Multi-Jet Modelling Fused Deposition Modeling Process of solidifying "liquid ultraviolet curable photopolymer", with a laser.
Traces out successive layer with a laser on to the resin. Similar to stereolithography but, uses a precision light -138 microns (the same precision of a laser). Uses a high power laser to fuse small particles of plastic, metal (direct metal laser sintering), ceramic, or glass powders into 3D-Products. Stereolithography Uses high temperatures to melt plastic. Then applies it layer by layer to create 3D object.
Plastic solidifies immediately on impact. Applies powdered metal
In a vacuum, metal is melted using electron beam
Melted metal molds on to previous layer
Final 3D product is formed after many successive layers Applies layer of powdered resin
Spreads a glue-like substance to solidify the resin as well as add color More accurate
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
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 1988 1993 1995 1996 2005 2006 2008 3D Printing - The first machine named SLA-250 was
delivered to the public
- Introduced Fused Deposition Modeling (FDM) and Selective Laser Sintering (SLS)
- FDM was invented by Scott Crump who
made the company Stratasys. Timeline - Massachusetts Institute of Technology (MIT) created a model
- similar to the Inkjet technology used in 2D printers
- called “3 Dimensional Printing techniques” (3DP). - Z Corporation starting developing 3D Printers based on 3DP technology after acquiring the license from MIT - The term “3D Printer” came to be due to 3 models of this time :
> "Genisys" from Stratasys,
> "Actua 2100" from 3D Systems
> "Z402" from Z Corporation, - Spectrum Z510 was launched
- was the first high definition 3D Printer
- also printed in color - Reprap (open source printing project) was developed in England
-The model made could replicate 50% of itself - Connex500™ by Objet Geometries Ltd.
- Could make 3D parts using several different materials at the same time Evolution of Methods 1. Stereolithography (SL)
2. Fused Deposition Modeling (FDM)
3. Selective Laser Sintering (SLS)
4. Dimensional Printing (3DP)
6. Polyjet Matrix Applications "If you can draw it you can make it!" Engineering Architecture
Advertising Marketing 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 1984 - developed by Charles Hull
- termed "Stereolithography Apparatus."
- founded "3D Systems"
which developed the first commercial
3D printer. 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 - Vienna University of Technology made the smallest 3D printer
- Weighs 1.5 kilograms
- It costs only around 1200 Euros 2011 YOU are basically God. Thank you for listening. Automotive/ Space Exploration http://on3dprinting.com/2012/06/13/3d-systems-to-raise-100-million-in-common-stock-for-acquisitions/ http://en.wikipedia.org/wiki/Massachusetts_Institute_of_Technology http://www.conceptsinproduction.com/MotherEarth/Products/Products/ZCorp/ZCorp.html Image Source: https://d2t1xqejof9utc.cloudfront.net/competition_pics/pics/137/medium.jpg?1328121944
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