Kuro's Compact Bowden Geared Extruder

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Kuro's Compact Bowden Geared Extruder

Published at 2024-05-03

By Kuro

Free
★ ★ ★ ★ ☆ (2 comments)
49

Kuro

2 objects 2 Followers
Joined almost 11 years ago São Paulo, Brazil

Description

Kuro's Compact Bowden Geared ExtruderUPDATE: gears should fit each other with less slop now.Designed to fit a Rostock Mini, this design can be used in other printer adjusting the support, that is fixed on two of the extruder motor bolt holes.It uses a MK7 drive gear and 625zz bearings.The only thing I didn't really like on this extruder is the use of a 3/16" nut to fix the PTFE. It's troublesome to build and I really prefer using the press fits.It's recommended to fit the 3/16" nut and then fixing the PTFE in the extruder the first thing, or you will have some bad time fixing it after assembly of the extruder.

Comments

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Kuro
Kuro
over 10 years
Sorry, I don't. It shouldn't be too hard to modify it to 3mm, but I can't really do it now. If you know a little about OpenSCAD and use a 4mm OD 3mm ID PTFE tubing, the modifications would be changing the filament diameter hole, the distance between the MK7 and the filament and making sure the MK7 axis to motor axis remain the same.
tezzarist
tezzarist
over 10 years
Do you have designs for a 3mm filament version of this?

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