Prusa SwingArm for Creality K1/K1C (Experimental)
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Replace the cable chain with the more lightweight SwingArm design of the Prusa CORE One
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- Printables
- Kategoria
- Creality Parts & Upgrades
- Licencja
- GNU Lesser General Public License
With the Prusa CORE One they introduced a new way of guiding the cables and filament to the extruder, something they call the SwingArm.
I've remixed the design to make it compatible with the K1/K1C, when using this Lid Riser. Any other lid riser should work as well, if it is at least 26mm in height.
The models are oriented how I printed them. For the mount supports are required, for the arm they shouldn't be necessary.
The arm can be mounted using a 24mm M3 bolt and nut, but feel free to try something else. A printed part should work as well, but might wear out quickly.
Now remove the cable and PTFE tube from the cable chain. The PTFE tube you can simply pull out of the chain, for the cable you have the option to disconnect the cable on either end and pull it out, or as I did, remove the links of the chain where the chain is flipped, and pull the chain of the cable through the opening in the cable.
The PTFE tube should be fed through the hole in the Lid Riser. You might need a longer PTFE tube than the one that's used with the chain, to accommodate for the different path it has to make to end up at the runout sensor at the back. I'm planning to reorient the runout sensor as well, to allow for a straighter bend of the tube, but for now it's in its original spot.
At the extruder I also added this PTFE-guide, which prevents the tube from pushing up the lid of the printer.
You can use some velcro straps to attach the cable and PTFE tube to the arm. Move the extruder from corner to corner to figure out the ideal length for the tube and cable. Do keep in mind that you need some slack on the cable for it to be tucked away in de corner behind the arm mount, otherwise the extruder can run into the cable. I'm thinking about updating the mount to have a clip for the cable as well, but for now I used a zip tie at the base of the arm to keep it in place.
Disclaimer: this is experimental, and I'm not responsible for any damage that may occur because of this mod.
History:
V1
This uses the same angle on the mount as the original SwingArm. Since the mount can be attached closer to the corner I created a simpler mount as V2.
V2
Simpler, more sturdy mount, can be attached to the corner of the riser.