Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
Gunstruder : Belt friction extruder Cold-end
by andreasL, published
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This is my own vision of the Vaeder extruder
More comming soon !!! This is a work in progress, sorry for the lack of documentation
changed almost every parts.
works now with 18mm height pulleys ( muche common one)
aded a 8mm version of the drive pulley -> better use 8mm axis to get the best pullex allignment. you can find some 20th gt2 pulleys with 8mm bore anywhere on the internet.
this version works fine on 3 prototypes I've made.
Let me know if you have any question or difficulty making this thing work !
(Zapperke ( http://www.thingiverse.com/Zapperke/about ) made a 3mm version, you shall be able to use it in the next release if he gives us his files :)
I've also aded a new motor support whitch fits more motors and printers
- Replaced "chassis2" part, witch was an older version. sorry about that.
- Replaces "outlet" part, same reason. Added 3 version to adapt the pressfit you already have ( M5 / M6 / M8 )
Use std skateboard bearings
std 20th gt2 pulley
200 mm / 100 teeth gt2 belts
M3 x50 screws 5
M3 x15 screws 7
M3 8 headless screws 2
M3 nuts * 7
nema 17 motor
"Bearing spools" must be printed at about 102% to fit on the bearings.
First prototype is working well, this is an upgraded version.
bug may occure, please let me know.
Since every printer is different, you may have trouble with tensionning the belt.
If the belt is to loose, lightly scale up the " quicklock" part !
BOM and french forum : http://talk.smartfri.odns.fr/index.php?topic=794.0
Holes should be re-drilled. Use your drill turning backward, so you just melt the plastic instead off scraping it off.
Be carefull when re-drilling the inlet part.
Be carefull to reduce the curant on your pollolu, so the motor doesn't heat to much. If the motor gets to hot, the chassis part will bend because of the primary belt tension. -> baaaaad (see picture)
stp/mm are around 425.
How I Designed This
Sources are solidworks files, I'll share it if asked.
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Gunstruder : Belt friction extruder Cold-end by andreasL is licensed under the Creative Commons - Attribution license.
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