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Replicator 2 Extrude Belt Tensioner

by funkshin, published

Replicator 2 Extrude Belt Tensioner by funkshin Feb 19, 2013
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Summary

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.

Instructions

100% fill on makerware med defaults did the trick, YMMV.

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Thanks so much for this little design! Fixed my "slanted" infill issue and probably making my prints more accurate now. No matter how much I tried to tension my X axis belt by moving/tightening the motor, still wasn't tight enough. This worked perfectly. Might even try making a smaller version or a "double" version to make it even tighter as there seems to be a little more room next to it when it's installed.

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!

Glad I could help. :)

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