SG15 U-groove wheel (625 bearings)
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Printable SG15 U-groove wheel designed to fit onto 2x 625 flanged bearings.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other Printer Parts & Upgrades
- Licencja
- Creative Commons — Public Domain
A lot of new budget 3D-printers are using SG15 metal wheel bearings instead of POM wheels, as they can run along 6mm rods nestled inside the grooves of a 2020 extrusion, meaning printer manufacturers can retrofit designs based around POM wheels easily.
Unfortunately, SG15 bearings still aren't overly common and I've found they aren't stocked by local suppliers. This model is designed to fit onto two 625 flanged bearings. Whilst I don't recommend it as a replacement for proper SG15 metal wheels, it may be useful as a quick fix whilst waiting on spare parts or for prototyping purposes. I've attempted to adjust for bearing tolerances however you may need to adjust the contour compensation in your slicer, depending on your printer.
The above model was printed in 95A TPU on a Creality K1C at 0.2mm layer height with 100% concentric infill. Any material should work, though if printing as a functional part or replacement part, try to avoid anything that might be abrasive/scratch the metal rod. Use scarf seams or randomize the outer seam to prevent a seam ridge