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Replicator 2 Extrude Belt Tensioner

by funkshin, published

Replicator 2 Extrude Belt Tensioner by funkshin Feb 19, 2013

Description

The adjustment screws for the extrude belt tension were assembled at the factory with a great deal of zeal. This left me with no ability to tighten up the belt. This worked for me.

* 8/19/13 Update:
There is a much improved solution for this here:
thingiverse.com/thing:135314

Recent Comments

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I have a much improved solution here: thingiverse.com/thing:135314
(was busy) There's ?4mm to the left and ?14mm to the right.
I just looked at the 2X documentation. It looks like the space is gone due to the absence of the blower. I'm toying with a more robust Idler tensioner design now. I'd love for it to be able to accommodate the 2X. Does the size of the printbed ever force the dual extruder to bottom out on the left side, or is there any space available?

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Instructions

100% fill on makerware med defaults did the trick, YMMV.
Where exactly on the long belt should it be installed ?
The second photo shows a white copy on the belt, but behind it is an icicle blue one implemented. That should illustrate right where that sucker goes.
Ah ok. For the R2X it's a bit too long to place it to the left of the platform and a bit too wide to place it under it.
I just looked at the 2X documentation. It looks like the space is gone due to the absence of the blower. I'm toying with a more robust Idler tensioner design now. I'd love for it to be able to accommodate the 2X. Does the size of the printbed ever force the dual extruder to bottom out on the left side, or is there any space available?
(was busy) There's ?4mm to the left and ?14mm to the right.
This is a perfect little thing. I've been meaning to whip up a tensioner for the X-axis for ages but never got around to it (the belt paperclip was "good enough"). This replaced it, works better, works better. Thanks!
I have a much improved solution here: thingiverse.com/thing:135314
Glad I could help. :)
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