Ultimaker Extruder Removal screw

by bkubicek, published

Ultimaker Extruder Removal screw by bkubicek May 29, 2011


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It helps to clean the drive shaft after many many successful builds. Center is a M13 hole that encloses the nut.

Its a derivative of http://www.thingiverse.com/thing:8190



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I made one and it looks great but what's the purpose? Can't you just remove the hobbed bolt by removing the clip on the other side and pulling the bolt out with the big wheel? It seems like once the bolt and nut are tightened in the optimum position, it's best not to loosen them. I must be missing something or maybe Ultimaker has changed something in the design and my recent model is different.

I knew somebody else would have made one of these already! I'll print it at my first opportunity and try to spread the word. I bet it works great. Thanks!

That would actually be M8, the number references the diameter of the thread/screw. But should be useful :)

Just to maker sure I just measured the outside of the nut that came with my ultimaker mk7 extruder (delivered December 2011). The nut faces are 13 mm apart so this should work fine. (You are probably correct about the thread being M8, i didn't check that.)