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Revision as of 08:15, 24 December 2011 by Casainho (talk | contribs) (Added pictures from my Printf.bot prototype)
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Parametric Printrbot Variant

Release status: experimental

PPrintrbotV1.jpg
Description
Parametric Printrbot Variant is a parametric version of the Printrbot design.
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CAD Models
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Overview

The Parametric Printrbot Variant needs a better name. It is inspired by the Printrbot, but is a complete redesign in OpenSCAD to be more robust (without the loose press-fit mountings), but still extremely simple. It is being designed for use with 6mm smooth/threaded rods and NEMA14 motors like the ones used in the Huxley design, and LM6UU bearings for linear motion, though its parametric nature means that NEMA17/M8/LM8UU versions will also be possible. STLs can be found on thingverse, the source is on Github, and the latest updates/previews can be found on Whosawhatsis' Google+ page. This design is a work in progress.

See a video of the printer in action (as of 17.Dec.2011): http://www.youtube.com/watch?v=0QrEmGlZT0w

Parts

In addition to the printed parts, the following parts are required (this is a tentative list, and the parts WILL change before the design is complete):

  • 4 high-torque NEMA14 motors. Sources:
  • 3 pairs of 6mm smooth rods (measurements will depend on desired build volume).
  • 2 pairs of M6 threaded rod (measurements will depend on desired build volume).
  • 10 M6 nuts.
    • These can be found locally.
  • 2 M6 nylock nuts.
    • These can be found locally.
  • 8 M6 washers.
    • These can be found locally.
  • 11 LM6UU linear bearings.
  • 3 623 bearings.
  • 13 10mm M3 screws.
    • These can be found locally.
  • 7 30mm M3 screw.
    • These can be found locally.
  • 2 50mm M3.
    • These can be found locally.
  • Aproximately 13 M3 nuts and washers.
    • These can be found locally.
  • 1 sheet of MDF or other flat material (measurements will depend on desired build volume).
    • You can buy this locally and cut to size.
  • 2 belts
    • This could be of type "XL timming belt" like here.

Printed parts

Optional:

Pictures from Casainho prototype

The next pictures were taken by Casainho from his prototype called Printf.bot. There are some errors/problems on that pictures and later they will be exchanged with ones from the final working Printf.bot. <flickr>6563740561|left</flickr> <flickr>6563740567|left</flickr> <flickr>6563740579|left</flickr> <flickr>6563740581|left</flickr> <flickr>6563740915|left</flickr>