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SeeMeCNC 3mm bowden extruder drive adapter

by chasmaker, published

SeeMeCNC 3mm bowden extruder drive adapter by chasmaker May 8, 2013
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4591Views 517Downloads Found in 3D Printer Extruders

Summary

SeeMeCNC.com makes one of the best pinch extruders out there. It handles 3mm and 1,75mm but by default comes with the 1.75mm setup. With these parts you can adapt a 3mm bowden tube connector. It doesn't require any tools so you can switch back to 1.75 easily.

Instructions

Extruder kit:
http://shop.seemecnc.com/Direct-to-Bowden-Conversion-kit-for-Steves-Extruder-Hotend-10111.htm

Bowden adapter:

http://shop.seemecnc.com/Direct-to-Bowden-Conversion-kit-for-Steves-Extruder-Hotend-10111.htm

and the 3mm connector:
http://shop.seemecnc.com/Push-To-Connect-Fitting-for-6mm-OD-Tube-38831.htm?categoryId=-1

Print the SeeMeCNC extruder mount:

-Screw 3mm bowden connector into the nut.
-Slide the peg up through the extruder bowden plate and twist the nut on.
-Bolt the extruder plate onto the extruder on the side for 3mm.
-Mount to the printed extruder Ultimaker bracket
-Wire up (I made quick disconnects so I could go back to stock)

IMPORTANT:
This extruder extrudes in reverse of the stock one so you need to edit your marlin configuration file.. the following line should be "true"

define INVERT_E0_DIR true // for direct drive extruder v9 set to true, for geared extruder set to false

Run Cura first run wizard to calibrate.

Mount the

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OK... I take that back... the extruder is awesome until it fails. Then there is little you can do about it. The problem with the extruder is if the bolts loosen up the plastic compression gears will slip. If you don't catch it on a long print they grind away. Sigh... had to go back to my Ultimaker extruder which isn't much better.

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