Filament spool brake
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A device to prevent/reduce over-run of a filament spool when the extruder is starting and stopping.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Accessories
- Licencja
- Creative Commons — Attribution — Noncommercial
A device to prevent/reduce over-run of a filament spool when the extruder is starting and stopping.
Print Settings
Printer Brand:
ELEGOO CENTAURI CARBON
Rafts:
No
Supports:
No
Resolution:
0.2 or 0.3 (according to preference)
Infill:
15% (or according to preference)
Notes:
This device limits the rotation of a filament spool when the extruder is stopping and starting, to prevent over-run and subsequent loose filament tangles. I had fitted a spool holder with bearings, and it didn't take much to start the spool spinning on a busy print!
It is designed for printers constructed with 20x20 extrusions, and should be adjusted so that the blade just touches the spool rim - just enough to cause a slight drag.
Additional components:
50mm M4 hexagonal-head machine screw.
M4 T-nut
M4 washer
Other information:
- This thing is made using PLA+ and TPU, but the TPU is optional - there's plenty of scope for ingenuity!
- TPU is used to make the blade, and the filament needs to be really dry to stand a fighting chance of printing it successfully. I stuck it to the body using 3M double-sided tape, but CA would work.
- The blade isn't strictly necessary, as for several years I'd used a piece of draft-excluder sticky-backed foam (the really cheap stuff that's easy to flatten); this worked really well, but I wasn't going to buy a whole new roll of the stuff just to get a 43mm length!
- The blade was designed in FreeCAD as it was easier to get the curved edges and fillets that I wanted.
Category: 3D Printer Accessories