Gcit 1015 section 7 group4_3_d printing
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Transcript of Gcit 1015 section 7 group4_3_d printing
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3D PrintingCHAN Choi Ching 15227243HUI Ming Ho 15215903NG Pui Yiu 15217787
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Contents○ Mind Map○ Background and history○ Mechanism○ Materials ○ Development and application○ Pros and Cons ○ Survey Results
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Mind Map○ https://www.mindmeister.com/58244788
6/3d-printing
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Objectives○ Understand the mechanism of 3D
Printing and its own application○ Analyze the public opinion towards 3D
Printing○ Identify the pros and cons of 3D Printing
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Background○ 3D Printing (Additive Manufacturing)○ Three-dimensional object from digital
file(STL)○ Either using a 3D modeling program
(create new) or a 3D scanner (existing object)
○ ‘Sliced’ into successive layers (horizontal cross-section)
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History○ Developed by Chuck Hull in 1984○ Originally known as ‘Rapid Prototyping’○ Most common method:
stereolithography (STL)○ Price in 2007 ~USD10000 ○ First commercial 3D Printer launched in
2009
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Mechanism
Modeling Printing Finishing
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Modeling○ Scanning the desired product by a 3D
scanner or create a model by using Computer Aided Design (CAD)
○ Collect geometric data for computer to make a digital model
○ ‘Sliced’ into layers○ Convert the data into a readable file for
3D printer (.slt)
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PrintingType Technology
Extrusion Fused deposition modeling (FDM) Fused Filament Fabrication (FFF)
Light polymerized (Vat Photopolymerization)
Stereolithography (SLA)Digital Light Processing (DLP)
Power Bed Powder bed and inkjet head 3D printing (3DP)Electron-beam melting (EBM) Selective laser melting (SLM)
Sheet Lamination Selective Deposition Lamination (SDL)
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Materials○ Thermoplastics○ Rubber○ Metals & Alloys○ Ceramics powder○ Modeling Clay○ Paper○ Photopolymers
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Application○ Medical Industry (Bio-Printing)○ Aerospace and Aviation Industry○ Automotive○ Art/Design/Architecture○ Food Industry○ Personal/Consumer use
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Video
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Survey Charts
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Survey Charts
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Survey Charts
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Advantages○ Rapid Prototyping○ Flexible in customization /
personalization○ Complexity (Aerospace or Micro-scale
medical bio-printing)○ Fast manufacturing speed○ Reducing cost
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Disadvantages○ Fewer manufacturing jobs○ Limited choice of materials○ Limited size of product○ May pose other environmental problems○ Safety issues
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Work distributionName WorkChan Choi Ching, Shania Perzi, Survey Analysis, video
Hui Ming Ho, Vincent Powerpoint, information research
Ng Pui Yiu, Yoyo Perzi, Survey Analysis, video
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Reference○ http://www.philforhumanity.com/3D_Prin
ting.html○ http://3dprinting.com/what-is-3d-printin
g/#applications○ https://en.wikipedia.org/wiki/3D_printing○ http://3dprintingindustry.com/3d-printing
-basics-free-beginners-guide/○ https://www.youtube.com/watch?v=dcX
41EQ1JTo
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END