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How to upgrade from direct drive to bowden extruder?

Posted by Bratan 
How to upgrade from direct drive to bowden extruder?
February 05, 2015 02:23PM
Hi! smiling smiley
I'm looking for a guide on how to upgrade my i3 Rework from direct drive to bowden extruder.
I already bought 1.75 E3D V6 hotend with bowden addon.
Now I'm guessing I need to print out X-carriage holder for E3D hotend (perhaps something like this), and then actual drive mechanism that will attach to the frame.
What parts will I need?
- 3D printed parts?
- Can I reuse my existing stepper from extruder?
- Do I need extra PTFE tube and Pneumatic fittings?
- MK7 Drive Gear?
Anything else?
I appreciate any guidance! smiling smiley
Ano
Re: How to upgrade from direct drive to bowden extruder?
February 06, 2015 05:29AM
I will try the same thing in near future and am planning on:
- This carraige: http://www.thingiverse.com/thing:547706
- And this extruder: http://www.thingiverse.com/thing:275593

In the first thing, you can also see a video of the whole change.


Prusa i3 Rework (from Replikeo.com) & original Prusa i3 MK2 (from shop.prusa3d.com) << the MK2 definitely is worth the higher cost!
Print Troubleshooting Guide // Visual troubleshooting guide
Re: How to upgrade from direct drive to bowden extruder?
February 06, 2015 11:15AM
Quote
Ano
I will try the same thing in near future and am planning on:
- This carraige: http://www.thingiverse.com/thing:547706
- And this extruder: http://www.thingiverse.com/thing:275593

In the first thing, you can also see a video of the whole change.
Wow, thanks a lot! That video is also amazing, I think I now understand why I have issues at specific heights...
Ano
Re: How to upgrade from direct drive to bowden extruder?
February 06, 2015 02:37PM
What I really like about that setup is the simplicity. In comparison with a wade geared extruder it's just sooo small


Prusa i3 Rework (from Replikeo.com) & original Prusa i3 MK2 (from shop.prusa3d.com) << the MK2 definitely is worth the higher cost!
Print Troubleshooting Guide // Visual troubleshooting guide
Re: How to upgrade from direct drive to bowden extruder?
February 06, 2015 04:32PM
Quote
Ano
What I really like about that setup is the simplicity. In comparison with a wade geared extruder it's just sooo small
Yeah totally smiling smiley
BTW, following "bread crumbs" found this improved model of the drive: [www.thingiverse.com]
Re: How to upgrade from direct drive to bowden extruder?
February 07, 2015 08:17AM
Sorry one more question. What kind of fan duct can be used for this? I just realized its not included in things list
Ano
Re: How to upgrade from direct drive to bowden extruder?
February 07, 2015 08:30AM
The fan duct from the original E3D V6 Hotend. Or do you mean the other one in front of the fan? This would be this one: http://www.thingiverse.com/thing:547325
But as there is none on the original E3D design, I don't think you need it.


Prusa i3 Rework (from Replikeo.com) & original Prusa i3 MK2 (from shop.prusa3d.com) << the MK2 definitely is worth the higher cost!
Print Troubleshooting Guide // Visual troubleshooting guide
Re: How to upgrade from direct drive to bowden extruder?
February 07, 2015 09:02AM
Quote
Ano
The fan duct from the original E3D V6 Hotend. Or do you mean the other one in front of the fan? This would be this one: http://www.thingiverse.com/thing:547325
But as there is none on the original E3D design, I don't think you need it.
I got my HE from eBay it didn't come with the duct sad smiley Didn't know it was supposed to.
I'm guessing this one should work: [www.thingiverse.com]
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