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5Kg Spool Roller (optimized)
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Optimized version of the 5Kg Spool Roller for higher strength, lower friction, less material. -30% material, -30% time.
- Ocena
- 5 / 5
- Polubienia
- 23
- Pobrania
- 254
- Wydruki
- 5
- Wyświetlenia
- 897
- Oceny
- 5
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- Printables
- Kategoria
- Accessories
- Licencja
- Creative Commons — Attribution — Share Alike
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I had a lot of trouble with too much friction with the existing model, and needed to tweak it to prevent my extruder from skipping steps. While doing so, I ended up re-modeling everything from scratch with the existing model as a base. The FreeCAD files are attached, so you can easily remix this.
Tested to work with the Polymaker 5kg spool, which is 160mm wide. Used with a Qidi Q1 Pro printer.
BOM
- 4x M3x16 (or longer) bolts
- 4x 608 bearings
- 1x SpoolBase
- Standard settings
- 2x SpoolFrame
- Standard settings
- 2x SpoolRoller
- Standard settings, random seam
Instructions
- Determine if your bearings have too much friction. I only had good results once I could spin them freely. If they have too much friction:
- Remove the bearing shields using a metal pick
- Wash the old grease out using soap and water
- Add new teflon spray lube (a thin oil would be fine as well)
- Press the bearings into the roller.
- Place the bearings on a table
- Place a roller onto the bearing, and push down hard (approx 60lbs/30kg) to press the bearing into place.
- If you aren't able to press hard enough, you can also use a rubber mallet or a hammer with some wood in between
- Screw the frame sides onto the base using the M3 bolts
- Gently bend the base to insert the rollers
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