This weekend I made quite a bit of progress.


In these images you can see the updated motor holders, the new bed bracket with lead screw, and the power supply roughly in the right spot, ready for the electronics.

What you cannot see, is the new inner shaft of the SCARA drive, that now consists of the threaded rod and a 15mm copper pipe. It turns out that the elasticity of the rod itself is now the weak link in the design… The double shaft successfully dampens and oscillations that were apparent before.

20130203-163917.jpg 20130203-163900.jpg

Bed leveling, and hotbed. Building of RAMPS for morgan ( my current RAMPS is doing Ecksbot duty ), and the upgrade and mounting of the extruder.

Watch this space!

13 Replies to “Progress”

    1. And I’ve done some work on interfacing a PC parallel port to a RAMPS board for LinuxCNC:

      There’s also work afoot to port LinuxCNC to run on the BeagleBone, which could interface directoy to the BeBoPr or Replicape capes, or to a RAMPS board with a bit of work. Check the LinuxCNC developer list for details.

      …and that’s an awesome build!! Kudos!

  1. Great progress!

    And congrats with the Hack A Day link!

    Did you buy the correct size pully belts from the start or did you somehow cut and mend them for a custom fit?

    Lots of luck…

    1. The belts are actually open ended. You can see the ends of it pulling into one of the large circle cutouts of the shaft pulleys. This way I did not have to put teeth on the pulleys, and the low cost open ended belts.

  2. I am very much interested in your Scara Arm 3D Printer. Just some quick questions before i purchase this unit.

    1) How durable it is?

    2) Which printing filament it uses?

    3) Is this support multi color printing?

    4) Maximum print area?

    5) 3D Printed Part layer height accuracy?

    6) You accept part payments? (Due to My card withdrawal limit)

    Awaiting for your reply.

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