3d printing

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3d printing:

3d printing koppes

overview:

overview I ntroduction T erminology A dditive processes P rinters A pplications I ntellectual property

Introdution:

Introdution A process for making a physical object from a three-dimensional digital model, typically by laying down many successive thin layers of a material.

terminology:

terminology Additive manufacturing – create objects through sequential layering. Subtractive manufacturing – A retronym developed in recent years to distinguish it from newer additive manufacturing techniques stereolithography - "system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed"

General principles:

General principles

Gp’s:

Gp’s Modelling Printing Finishing Additive processing

modelling:

modelling Takes virtual models (3D blueprints) from CAD or animation modeling software and "slices" them into digital cross-sections for the machine to successively use as a guideline for printing STL file format - A standard data interface between CAD software and the machines

printing:

printing To perform a print, the machine reads the design from an stl file and lays down successive layers of liquid, powder, paper or sheet material to build the model from a series of cross sections.

PowerPoint Presentation:

Printer resolution describes layer thickness and X-Y resolution in dpi(dots per inch) or um ex: 100 µm(250 DPI) Objet Connex ProJet series can print layers as thin as 16 µm (1,600 DPI)

finishing:

finishing Adding colour combinations

Additive process :

Additive process Additive processes Extrusion deposition Granular materials binding Lamination Photopolymerization Mask-image-projection-based stereolithography

PowerPoint Presentation:

Type Technologies Materials Extrusion Fused deposition modeling (FDM ) Thermoplastics (e.g . PLA, ABS ), HDPE , eutectic metals, edible materials, Rubber ( Sugru ), Modelling clay , Plasticine , RTV silicone , Porcelain , Metal clay (including Precious Metal Clay ) Wire Electron Beam Freeform Fabrication (EBF 3 ) Almost any metal alloy Granular Direct metal laser sintering (DMLS) Almost any metal alloy Electron-beam melting (EBM ) Titanium alloys Selective laser melting (SLM) Titanium alloys , Cobalt Chrome alloys , Stainless Steel , Aluminium

filament extruder:

filament extruder Once you’ve obtained the filament, it is fed into the 3D printer’s print head. Generally, this is a boxy shape with a nozzle sticking out of it.

Back and forth, layer by layer :

Back and forth, layer by layer 3D printing is additive manufacturing. That means the plastic is built up one layer at a time.

applications:

applications economies of scale jewellery Clothing paleontology, pathology, archaeology, building construction. microwave sintering lunar regolith print human organs

reference:

reference Jump up ^ Excell , Jon. "The rise of additive manufacturing" . The engineer. Retrieved 2013-10-30. Jump up ^ "3D Printer Technology – Animation of layering" . Create It Real. Retrieved 2012-01-31. Jump up ^ http://www.3dprinterprices.net/made-in-the-usa-american-companies-behind-the-rise-of-3d-printers/ Jump up ^ "3D Printing: What You Need to Know" . PCMag.com. Retrieved 2013-10-30. Jump up ^ Sherman, Lilli Manolis . "3D Printers Lead Growth of Rapid Prototyping (Plastics Technology, August 2004)" . Retrieved 2012-01-31. Jump up ^ "3D printing: 3D printing scales up" . The Economist. 2013-09-07. Retrieved 2013-10-30. Jump up ^ Kelly, Heather (July 31, 2013). "Study: At-home 3D printing could save consumers 'thousands'" . CNN.

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