Introduction to Fab Academy
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What can I learn in Fab Academy? Qué puedo aprender en Fab Academy? http://fablablima.com/site/
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Introduction to Fab Academy
- 3. 1 Digital fabrication principles and practices
- 16. 2 Computer aided design, manufacturing and modeling
- 17. 1. Volume 2. Mass 3. Surface area 4. Moments of inertia 5. Strength 6. Flexibility 7. Heat and fluid flow 8. Fields, currents and fluxes 9. Mechanical integrity and fit 10. Manufacture, and 11. Pictures
- 18. Union Intersection Difference
- 19. 2D design 3D design Inkscape cad.py Illustrator Blender oodraw Houdini QCAD Sketchup Layout Rhino GIMP Grasshopper Photoshop SolidWorks Catia Pro/ENGINEER AutoCAD Maya Inventor Alias 3ds Max I-DEAS NX AC3D
- 29. 3 Computer controlled cutting
- 52. 4 Electronics design and production
- 53. MDX 20
- 74. 5 Computer controlled machining
- 94. 7 3D molding and casting
- 105. 8 Collaborative technical development
- 111. 1 1 2 2 Now, the software used is MODELA Player4 from Roland. Open the .stl file. As the numbers above show, FIRST the machine has to be selected. For that, click on FILE, Machine Selection, and choose MDX-20 in Model Name and Printer Name, and OK. Then, for machining we will need two things: roughing and finishing. Roughing will take out all the material and it usually leaves a 0.1mm offset surface that feels like zig-zag or stairs, whereas finishing will directly go to the shape to take off those 0.1mm of excess and thanks to it, the surface will look and feel smoother. To begin with, we choose New Process and Roughing.
- 112. 1 2 Red frame arrow 3 4 When selecting the process, the windows above will appear (I am ignoring the real first one, and the real second one appears here as 1). In 1 (Cutting Area), you have to select what surface to machine. It could be All, but if it’s Partial you will control the red frame and move it with the arrow. In 2 (Tool), you choose the bit (I used 3mm square). In 3 (Path Type), I chose contour lines down cut. In 4 (Cutting Parameters), you will have values given by the program. The ones I could change were Cutting-in Amount to 1.4, and Path Interval to 1.7 (which should have been 1.5 or less). The noise might make you go crazy, but it will take less time to be ready.
- 113. These blue lines show the way/direction the bit will take. For a value of Z (high), it will machine all the selected surface, then it will go down 1.4mm and machine all the surface, and so on. At the end, it will leave an offset of the surface (0.1 mm aprox. as specified in Finish Margin). Once it is ready, click on CUT to send the file. This roughing process took around two hours to be accomplished.
- 114. 9 3D scanning and printing
- 129. 70mm 90mm
- 136. 10 Sensors, actuators and displays
- 144. 11 Interface and application programming
- 148. 12 Embedded networking and communications
- 151. 13 Machine design
- 164. 14 Digital fabrication applications and implications
- 165. 15 Invention, intellectual property and business models
- 166. 16 Digital fabrication project development