3 d printer 20 mar 13
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3D Printer Presentation - Lloyd Sherk
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3 d printer 20 mar 13
- 1. 3D PRINTING (ADDITIVE MANUFACTURING) (DIRECT DIGITAL MANUFACTURING)
Editor's Notes
- Wilmington Robotic Exoskeleton Jeremy Mallin
- - Convert CAD files to STL files – similar to DXF files used by Autodad
- Scanners acquire millions of points of an object to directly generate a polygonal mesh of the part and recreate it in 3D Laser & probe
- Cube – 5.5” x 5.5” x 5.5” - $1,299 Makerbot Replicator – 8.9” x 5.7” x 5.9” - $1,999 Dimension – 6” x 6” x 8” - $16,000 1200 ES – 10” x 10” x 12” - $33,000
- Polyjet Technology – jet photopolymer materials in ultra-thin layers 16 microns (0.0006”) tolerances 100 – 300 microns FDM – additive mfg – rapid prototyping – plastic or metal – heated nozzle – two materials – support & model – build layers .007” - .013” Stereolithography – layering liquid photopolymer resin cured by a UV laser solidifying the final state Selective Laser Sintering – high power laser to fuse small particles of plastic, metal, ceramic or glass powders into a mass that has a desired 3D shape – polystyrene, nylon, titanium, alloys and steel mixtures
- Titanium Tantalum, Cobalt alloys, Nickel alloys, Copper Nickel alloys, Inconel alloys as well as other high-value materials 19’ x 4’ x 4’ Electron beam gun 250 cu in per hour – 40 lbs per hour Slash machining time by 80% Sciaky Inc
- NASA - European Space Agency