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Printrbot Jr. Spider Z-Coupler

by phraust, published

Printrbot Jr. Spider Z-Coupler by phraust Mar 4, 2013
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I got some stainless steel threaded rod from Home Depot the other day, and some stainless steel nuts, and I wanted to upgrade my somewhat bent z-axis threaded rod.

I had seen something similar for the Printrbot LC I think, so I made one to fit my machine.

I tried dry-fitting it yesterday, and found that the nut I have is too large to replace the old one perfectly, so I'll have to engineer a mount for it on the Y-Arm.

I'm currently waiting for the silicone to cure, so I'll update with some pics when it's complete.


Just like the original! (I think...)

This is experimental, I'll be updating with progress/pictures in a few days.

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Does it work ? Can you post pictures please ?

Don't use a stainless nut with stainless rod, as I read somewhere in http://reprap.orgreprap.org you will get galling (http://en.wikipedia.org/wiki/Galling)http://en.wikipedia.org/wiki/G... leading to seizing. Try a brass nut.

I'm watching, because I have slight Z-wobble I'm eager to fix. Can't wait to see the finished result.