Digital Fabrication and the Quest for Maker Mastery
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Transcript of Digital Fabrication and the Quest for Maker Mastery
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GRABCAD MEETUP 09.21.2016
DIGITAL FABRICATION AND THE QUEST FOR MAKER MASTERYLeveraging digital tools to improve the process of iterative concept development
Tasker SmithTechnical InstructorPappalardo Undergraduate LaboratoryMassachusetts Institute of Technology
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CLASSES 2.670 Mechanical Engineering 2.007 Intro to Design and Manufacturing 2.009 Product Engineering Process
WTP Women in TechnologyDiscover Mechanical Engineering
1% 2% 3%
5%5%
6%
32%
17%
1%2%
3%
23%
MECHANICAL ENGINEERING(Slice of undergraduate population)
Nuclear Science (Course 22)
Civil (Course 1)
Material Science (Course 3)
Aero / Astro (Course 16)
Biological (Course 20)
Chemical (Course 10)
EE + Computer (Course 6)
Mech E (Course 2)
550 Students
17% of total undergraduate population
School of Engineering
School of Architecture
School of Management
School of Humani�es
School of Science
MIT
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CLASS 3 MACHINE TOOLS
CLASS 4 MACHINE TOOLS
CLASS 5
CLASS 5
0 1 2 3 4 5 STORAGE
MEETING ROOMSDEVICE CLASSES
+
ACTIVE SHOP SPACE 6800 sq ftMEETING SPACE 2200 sq ftSTORAGE SPACE 500 sq ft
PAPPALARDO LAB
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3DPLaser
WaterjetCNC
3D Scanner
CNC Wire Bender
Vinyl Cutter
CNC Embroidery
TOOL PROFICIENCIES
Mockup Proficiency
Sheet Metal Fabrication Proficiency
Hand FabricationProficiency
Machine Tool Proficiency
Power Tool Proficiency
Digital Fabrication Proficiency
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PRACTICE: CONCEPT DEVELOPMENT
Embodiment
Refinements
Models
Sketches
Ideas
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1 1 2 3
PROLIFIC ITERATION
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TEACHING AIDS
3DP FUNDAMENTALSHow our 3D Printer worksŸ PrecisionŸ Feature ThicknessŸ Material PropertiesŸ Core Densitiy
3DP BEST PRACTICESApplied use of 3D Printed partsŸ Screw bossesŸ Snap fitsŸ Living hingesŸ Post processing
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3DP: SOURCING CAD DATA
SOURCING CAD DATA3D Repositories: user populatedŸ GrabCAD !!Ÿ Thingiverse (Makerbot)Ÿ Youmagine (Ultimaker)Ÿ 3D Content Central (SolidWorks)
3D Repositories: vendor populatedŸ McMaster CarrŸ Carr Lane
CAD Software LibrariesŸ SolidWorks Design LibraryŸ Autodesk Fusion 360 Design Library
25 TOOTH SPUR GEARSourced, 3D Printed, installed and tested in under 1 hour
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3DP: MAKE THE IMPOSSIBLE
NAINA MEHTA (MIT ‘15)
Demonstrating her prototype of a rope climbing robot.
Complexity of fabricated gear / nut assembly is resolved through multiple iterations on a Stratasys uPrint.
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TIPS & TRICKS: ONLINE TOOLS
WWW.MAKERCASE.COM
LASER SPECIFICATIONS
Plywood kerf = .003”Acrylic kerf = .004”
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TIPS & TRICKS: FLEXURES
LASER CUT FLEXURE 3D PRINTED FLEXURE