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Multi-Material toolhead for my voron
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2023-05-01 22:59:49 +02:00
README.md Update README.md 2023-05-01 22:59:49 +02:00

README.md

sorted's Filametrix Mod

This is a mod of the Voron Stealthburner which adds a filament cutting possibility!

Image

Motivation

I was looking at the ERCF MMU for several month now. What always kept me from starting the project were the discussions about issues and problems with filament tip forming. Suddenly a new company showed us how they do it quite reliable. They just cut the filament. Further motivated and inspired by the design of @pure100kim who has built the ERCF_Filament_Cutting_MOD I started to build my own version of it.

See how it works

Proof of concept.

https://youtube.com/shorts/HOMG8cVk_U4

Good to know

Please be aware:

!! THIS IS A WORK IN PROGRESS !!

** After my holiday trip I will mount the toolhead for another proof of concept in the printer. Once this is done I would appreciate if someone with an working ERCF unit could check it.**

  • This is my very first repository on GitHub. Please be paitend with me :D - Any hints are welcome!
  • We will need to use one of the ADXL mounting threads
  • I designed it for main body without tool head sensor as I am planning to go with Happy Hare
  • Depending on the setup and position of the cutting point we will most probably not lose any build volume
  • Currently the design is only available for the Dragon hotend
  • As my ERCF is under construction I tested it with roughly 100 cuts by hand not seeing any wear or fatigue
  • For the main body i remixed the ECAS version from Alexanderor

What you need

Print list

  • 1x SB Dragon cutting Printhead back
  • 1x SB Dragon cutting Printhead front
  • 1x SB Main Buddy Cutting with ECAS
  • 1x Cutting arm
  • 1x Knife holder

Parts list - considering you already have a Stealthburner with Dragon Hotend

Toolhead:

  • Loctite
  • 1x M3 nut (DIN934; ideally a countersunk tool to modify the nut for proper filament insertion)
  • 2x M3 washer (0.5mm)
  • 1x M3x18 SHCS (it repleaces the top left M3x25 SHCS from the SB-Cover mount)
  • 2x Voron heat inserts
  • 1x M3x18 FHCS (counter sunk screw)
  • 1x M3x8 SHCS
  • 1x M2.5x16 SHCS (15-18mm works)
  • Spring of ballpoint pen (L=15mm; D<=4,5mm) (I've ordered some for testing, to have a "defined" spring)
  • Typ 4 Sharp Metall Skalpel (we will cut it to length) Link
  • Image

Cutting point on gantry

  • tbd...
  • ...

Assembly

tbd...