Printrbot Jr. X axis belt tensioner

by nepaholic, published

Printrbot Jr. X axis belt tensioner by nepaholic Jan 13, 2013
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I designed a easy to use belt tensioner for the x axis.
I use it some days now and it work awesome. it is designed for use with M3 skrews but i didnt had any at home so i drilled the holes up to 4mm and replaced the outer skrews with M4.


Ok. It works now great and improved my prints. the part printed with 70% infill is very stable.

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Great design, thanks! I printed at 70% infill as well, very strong at that level. I put a nylock bolt on the inside to avoid slippage. Am printing another one for the Y axis now.

There is an excellent Y axis tensioner I have installed.


Printrbot Jr Y Axis Belt Tensioner
by thejim

awsome. sound good... Well i have also dseigned one for the y axis but lost the file :(

No worries - I was going to but got lazy and just printed another one and drilled another hole - see photo.