3D Printing (archived - 2012)

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Members Involved

  • Bengizmo
  • Brian Q
  • Codohundo
  • Circuithacker
  • 19200Baud

Project Scope

To continuously research and develop amateur 3D printing techniques (primarily plastic extrusion).

Details

Protospace has recently had a Makerbot Cupcake CNC donated, that is currently not functioning, this is an ongoing project to get it back working again so that Protospace will have a general access 3D printer.

Progress thus far

  • RapMan upgraded to firmware 4.2.2
  • BFB Axon Software package has been found to be the best at converting STL files to BFB files for the RapMan
  • The Rapman is printing accurate 3D objects in ABS, haven't tried PLA yet.
  • The Makerbot Cupcake CNC has been upgraded to the newest firmware
  • Small objects can be printed on the CupCake CNC

To Do

RapMan Upgrades:

  • Install new heated print bed - The current bed is warped, and ABS plastic also warps / lifts from the bed because it needs to be heated throughout during the print. Here is the bed Brian ordered (which is also what he will put on his Ultimaker when it arrives next month) > http://mixshop.ca/index.php?main_page=product_info&products_id=96
  • Dual print headers (future upgrade) > http://www.bitsfrombytes.com/store/rapman-31-double-head-extruder-upgrade This will allow us to use both PLA & ABS at the same time to create much more complicated objects with proper structural support. You could also feed one with water soluble filament so that the support structure of an object can be washed away after it's printed.

Cupcake CNC upgrades:

Future Additions

  • Use our existing 3D printers to print replacement parts for themselves
  • Print parts for Prusa Mendel Kits
  • Source non-printed parts for Prusa Mendel Kits
  • Sell Prusa Mendel Kits


USING THE 3D PRINTERS

RapMan:

  • Raft must be set at 244 degrees celcius or higher, otherwise it will lift from print bed (this will be fixed once we have the heated bed)
  • Object should be set 10 degrees hotter than raft to allow (somewhat) easy separation.