Belt bearing centering tool
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Tool for centering printer belt bearings. Designed for Flashforge AD5X, parametric FreeCAD source file provided.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution
I don't charge for my functional models. Please consider purchasing some of my paid models as a way to support both my work, and this great website: https://www.printables.com/@ninjamida/store
Sick of trying to center bearings by hand? Give this a try!
Print one copy of the base and two copies of the prong. The prong should be printed with very fine layer heights (0.1mm or less); no special settings are needed for the base and no supports are needed for any part. Assemble with two M3x6 screws (no nut / insert needed), tighten them well - as in the photo, the slopes should be facing inwards. Push into the bearing's space (slightly pinching the prongs together) and the sloped surfaces will center it.
I designed this specifically for use with my Flashforge AD5X; I cannot guarantee it will be the right size for other printers (though AD5M and AD5M Pro should be identical in the ways that matter for this). The good news? The FreeCAD source file is completely parametric, so you can modify it so that it DOES suit. On the AD5X, this is capable of reaching all bearings (as far as I can tell) without any disassembly of the printer.
I strongly recommend retensioning the belts and running the vibration calibration (or ZSHAPER if you use zMod) after using this.