Printrbot Hotend Adapter

by beardface, published

Printrbot Hotend Adapter by beardface Feb 19, 2012
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The printrbot team working on the hot end decided to take the Microsoft approach, and not make itself backward compatible with existing hot ends... This frustrated the heck out of me, so i designed an adapter so any hot end will fit.

Really printrbot? Come on.


Print this, and install in between the existing mount.

See the skp file for a diagram how it all fits together...

Please feel free to make this design better.

V2.0: Added slot for 6-32 nut for top mount. Use 1" 6-32 screw.

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Does this work with an E3D Lite hotend ?
Currently I am using a wood adapter in order to mount the Extruder support into the lower hole from the idler, otherwise hotend tip would be higher that the idler lowest point ...
I also made some version of a support, but still need to work on it ... but I also was thinking of an adapter plate like you did .

If I use this (http://www.thingiverse.com/thing:11152)http://www.thingiverse.com/thi... extruder I have a horizontal clearance of only 6mm (red arrows). More difficult to me is to tighten the upper screw. There is no space for a nut/bold and no contact area for that nut/bold (red circle)

Brook hat released new files to solve the problem


Accessible Wade's Extruder 9/47

You've been busy, thanks for your hard work. I wish I had this part from the beginning of the build or else drastic measures wouldn't have needed to be taken. The setup in the attached picture works though, the white pillar things are large nylon spacers.

Your improve - I think the item is upside down? The fitting is upside down on the x-slider. And the X-slider is held upside down.

See: http://www.thingiverse.com/image:106749http://www.thingiverse.com/ima...

Did it just not work as designed? From you picture it looks like your items would fit as in the above picture of Drumm's? DONT_KNOW

The PrintrBot hot end is much longer than a J-Head.

The part did not work with the J-Head we used. Flipping the x-slider over and flipping the mounting upside down got the head low enough to clear the x-slider, but then the motor interfered with the x-slider. Adding approximately 3/4" nylon spacers got the motor high enough while still allowing t
he head to be low enough (barely). Starting over, I would recommend the improved parts instead of our hack.

Mind posting the SVG to thingiverse that you used for that laser cut wood piece? I've already printed this adapter, but I'd like to try your method as well.

Nice! I had just found out last night that the Printrbot used a custom hot end and wasn't compatible with any of the others out there that are normally used on a reprap.

I take it that this one will accept the normal Greg's / Wade's Extruder with, say, a j-head extruder?

Should fit them... Let me know if it doesnt. :)