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In this video, we show how MIT research continues to push the boundaries of the burgeoning technology of 3-D printing. The following excerpt is from the MIT news office webpage at http://web.mit.edu/newsoffice/2011/3d-printing-0914.html "The initial motivation was to produce models for visualization — for architects and others — and help streamline the development of new products, such as medical devices. Cima explains, “The slow step in product development was prototyping. We wanted to be able to rapidly prototype surgical tools, and get them into surgeons’ hands to get feedback.” 3DP technology involves building up a shape gradually, one thin layer at a time. The device uses a “stage” — a metal platform mounted on a piston — that’s raised or lowered by a tiny increment at a time. A layer of powder is spread across this platform, and then a print head similar to those used in inkjet printers deposits a binder liquid onto the powder, binding it together. Then, the platform is lowered infinitesimally, another thin layer of powder is applied on top of the last, and the next layer of binder is deposited."  

 
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Keywords
printing  media  rapid  protyping  
 
 About This Video
 
 Subject Mechanical Engineering
 Category Demonstration
 Duration moderate
 Views 2004
 Added 26-10-12
 Contributor    A Ghosh
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