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(moved) Stronger - Yet Another Extruder Filament Drive

by MarcusWolschon, published

(moved) Stronger - Yet Another Extruder Filament Drive by MarcusWolschon Nov 20, 2012

Description

THIS DESIGN HAS BEEN MOVED TO YOUMAGINE:
https://www.youmagine.com/designs/stronger-yet-another-extruder-filament-drive
Reasons:
http://marcuswolschon.blogspot.de/2014/01/leaving-thingiverse.html

Stronger idler arm for "Yet another extruder filament drive"
(Extruder for Thing-o-Matic and earlier Makerbot Industries printers)

Changes:

  • thicker front side
  • gave proper names to parametric steps
  • LONG HOLE, so the pressure bolt can come at an angle
  • wider long hole, so an M4 bolt can move freely
  • round hole for bearing (more strength)
  • reshaped sides for added strength
  • wider hole for 608Z bearing
  • wider axis hole for 608Z bearing

Stronger body

  • thicker idler arm
  • larger base plate to attach idler arm to
  • wider mounting nut holes
  • gave names to many parametric operations
  • long stepper motor mounting holes to perfectly align
  • ever so slightly smaller mounting blocks
  • allow longer extruder mounting bolts then required

Blog postings:
http://marcuswolschon.blogspot.de/2012/12/testing-sailfish-firmware-and-new.html
http://marcuswolschon.blogspot.de/2012/11/improving-gaerisls-extruder.html

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Instructions

Print "_nosupport.stl" directly (already oriented correctly and centered)
or the old way (oriented sideways) with breakaway-support and with "_support.stl".

Print the body of the original extruder and assemble.
You can use Jag's quick release or a spring with 2 washers on the long pressure bolt/threaded rod.

Tested and works very well on a Thing-o-Martic as an MK6 replacement.
Print with lots of infill! (0.8 works well)
Parts are in INCHES (sorry, it's a derived design and the original was in inches).

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