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Fab lablima 3-5

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Computer Aided Machining and Cutting

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Fab lablima 3-5

  1. 1. Machining Controlled by Computer 1. Machining 1.1. Turning 1.2. Drilling 1.3. Planing 1.4. Milling 1.5. Grinding
  2. 2. Machining Controlled by Computer 1. Machining 1.1. Turning 1.2. Drilling 1.3. Planing 1.4. Milling 1.5. Grinding
  3. 3. Machining Controlled by Computer 1. Machining 1.1. Turning 1.2. Drilling 1.3. Planing 1.4. Milling 1.5. Grinding
  4. 4. Machining Controlled by Computer 1. Machining 1.1. Turning 1.2. Drilling 1.3. Planing 1.4. Milling 1.5. Grinding
  5. 5. Machining Controlled by Computer 1. Machining 1.1. Turning 1.2. Drilling 1.3. Planing 1.4. Milling 1.5. Grinding
  6. 6. Machining Controlled by Computer 2.CNC •Numerical Control •Computerized Numerical Control •DNC & CNC •Advantages •Types of control
  7. 7. Machining Controlled by Computer 2.CNC •Systems of control •Interpolation •Precision •Programming (technological and geometric information) •CAM
  8. 8. Machining Controlled by Computer 2.CNC
  9. 9. Computer Controlled Machining/Cutting
  10. 10. Omax Waterjet http://www.youtube.com/watch?v=wJK-PZt6lEQ
  11. 11. -No heat damage -Width of cut (1.016 to 1.27 mm)-(0.508 mm) -Green technology/water-losed loop system/abrasive-recycled -Materiales: ubber, foam, plastics, composites, stone, tile, metals, food, paper -(45 cm) thick
  12. 12. After generating the cut path from a PNG file within the OMAX software I was also able to view the cut away in red and tool path with lead-ins in green. EXAMPLES:INTHEWORLD
  13. 13. XACT Wire EDM http://www.youtube.com/watch?v=pBueWfzb7P0
  14. 14. -High zinc content wires -Stable tensile strenght - Wire diameter >= 20 micrometres -Electric discharge machining (EDM) -Material removed by current discharges between 2 electrodes, separated by a dielectric liquid, and subject to electric voltage -Materials: Aluminium, Stainless Steel, Copper, Steel, itanium, Bronze, Alloys -Thick as 300mm -Power consumption is very high -For machining electrically conductive materials
  15. 15. CAMWorks WireEDM http://www.youtube.com/watch?v=8wkfT9vifPQ
  16. 16. FoamLinx Hot Wire http://www.foamlinx.com/fc2913.html
  17. 17. -Thin metal wire of nichrome or stainless steel heated via electrical resistance to 200ºC aprox. -Heat vaporises metal -Expanded Polystyrene (EPS, XPS), Expanded Polypropylene (EPP), Expanded Polyethylene (EPE), and Semi-rigid polyethylene foam (XPE) -When cutting foam, beware of the hazardous fumes
  18. 18. http://www.rcgroups.com/forums/showthread.php?t=184049 CNC Foam Cutting Machine (DIY) http://blog.makezine.com/archive/2009/10/homebrew_cnc_hot_wire_foam_cutter.htm l http://www.youtube.com/watch?v=y1G15yUXb04
  19. 19. MultiCam Knife Cutter -Materials: Felt, Foam, Rubber, Cork, Corrugated Cardboard, Fabric, Vinyl Veneers, Leather, etc -Different kind of knives http://www.youtube.com/watch?v=cgGqjrraGVI
  20. 20. Epilog Laser Cutter -The beam is reflected internally (mirror) ->to lens (working zone= 0.1mm) -Directing the output of a high-power laser, by computer, at the material to be cut -Narrowest part - less than 0.3175 mm -Precision may be better -High energy required http://www.youtube.com/watch? v=nO30y7Pw4QI
  21. 21. GX 24
  22. 22. http://www.youtube.com/watch?v=p7dx4eKJo80
  23. 23. Roland Modela
  24. 24. http://www.youtube.com/watch?v=sagbPFKNs5M
  25. 25. Shopbot CNC Milling Machine
  26. 26. -Plywood, MDF, Aluminium, Polycarbonate -Different bits for different purposes http://www.youtube.com/watch? v=g_NB5xedD28
  27. 27. Make something 'BIG' from something very 'SMALL' Cropped and Zoomed In Gaussian Blur and Highlight Sampling (blur added to reduce noise in original image) Grasshopper Approximation of Milling Pattern (automatically generates Shop Bot g-code in real-time) EXAMPLES:FABLABINTHEWORLD
  28. 28. CAD/CAM Preview of Tool Path from Shop Bot Controller (simulation of final cut) The Final Installed Piece (72"x30"x1/2") The image becomes more pronounced on the oblique
  29. 29. IMAGE FINAL
  30. 30. PRODUCTS:INTHEWORLD
  31. 31. Machines that Make Machines Mantis9
  32. 32. EXAMPLES:INTHEWORLD
  33. 33. 1 2 3 5 6 7 9 10 11 13 14 15 4 8 12
  34. 34. PRODUCTS:INTHEWORLD
  35. 35. cases in Peru
  36. 36. COMPANIESINPERU
  37. 37. Superficie Sección X Sección Y “Peruvian Pavilion 2010 “ Graduate Thesis: R. Garrido – K. Matos APPLICATIONS
  38. 38. Multi Cam CNC Milling Machine Company : Casa del Carpintero – Lima Peru
  39. 39. PROTOTYPE FABRICATION • Software: EnRoute 3 • Time: 217´ = 3h 37´ •Tipe of cut and machine: CNC / MultiCAM • Drill: 1.58 • Material: MDF 3mm •Dimension: 2.15 x 2.60 • Final format : 2.15 x 1.90 “Peruvian Pavilion 2010 “ Graduate Thesis: R. Garrido – K. Matos
  40. 40. “Peruvian Pavilion 2010 “ Graduate Thesis: R. Garrido – K. Matos
  41. 41. “Peruvian Pavilion 2010 “ Graduate Thesis: R. Garrido – K. Matos
  42. 42. “Peruvian Pavilion 2010 “ Graduate Thesis: R. Garrido – K. Matos
  43. 43. DETAILS PROTOTYPE “Peruvian Pavilion 2010 “ Graduate Thesis: R. Garrido – K. Matos

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