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An alternative hack to use dual extrusion on your Ultimaker2.
3D printer parts and enhancements
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Description
The magnetic change idea is from "foehnsturm" I redesigned it for the Ultimaker2. My goal was to stay close to the UM2 design, you can of course change this and add f.e. a full metal head as 2th head.
The main advantage of this setup is that you can easy put the 2th head aside and reclaim most of the buildarea for single head extrusion.
Another + is the use of different nozzle temperatures in the different heads.
The main issue is the leaking of filament from the 2th extruder. Using retraction and a prime tower does help a lot. At least in this setup the leaking does not take place on the printed part.
you'll need left and right parts, just mirror the items in your slicer.
find a project summary including instructions here;
http://ultimaker.com/en/modifications-and-hacks/view/10657-multi-extruder?page=27#reply-107302
update 25/5/2015: Added the "pick up" unit that I forgot in the first upload, also corrected this in the step file.
update: added new version of the docking corners that clamp to the housing, so no need for tape anymore. (all the parts with the name starting with "non-tape")
Materials and methods
find a project summary including instructions here;
http://ultimaker.com/en/modifications-and-hacks/view/10657-a-different-multi-extrusion-approach-um-tool-printhead-changer?page=27#reply-107302
Documents
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Issues
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Comments
HadriDreamwalker added this to the May be useful collection ago
jbabio commented agoHi nice design! I've been printing nice with an e3d v6 for long time now and would like to mount it on my self-made UM2 clone alongside a laser head. I've saw in the "A different multi-extrusion approach - UM tool / printhead changer" thread that you made an E3D mount but can´t find the stl file.
Could you post it or provide a link, please?
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UltiArjan commented agoThe 2th extruder is plug and play when you install dual extrusion firmware. I'll advice you use the version created by @tinkergnome (google the ultimaker forum)
drofnas added this to the Printer Upgrades collection ago
TD Engineering commented agoAlso any changes in the board firmware or is the second extruder just plug and play?
TD Engineering commented agoHave you every tried printing with the entire unit upside down or on its side to fight ooze? I've seen some interesting scholarly journals about printing in different orientations and the effects on FDM printing. It seems like that could very well be a decent solution to prevent all of the ooze fighting steps I saw in the forum posts.
UltiArjan commented agoYes, Ultimakers sells all parts, when there not in the webshop just ask support. They'll like it if you include all partnumbers. These you can find in the BOM or PDF's of all parts, on the Ultimaker2 github page. I indeed used the original power supply.
For me this is a nice experiment, but be aware it's difficult to get stable and it will really increase your printtime. IMHO it's only usable for small stuff.
TD Engineering commented agoDid you just buy all of the replacement parts for a second extruder? Any changes to the power supply or can it handle both heaters?
UltiArjan published this design ago