Spare grinding stone driver for manual Coffee/Spice Grinder
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Replacement part for a no-brand coffee grinder that engages with the grinding stone, axle, and adjustment knob.
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Model information
- Source
- Printables
- Category
- Kitchen
- License
- BSD License
This part was made as a replacement for a broken grinder driver. It engages with the notches in the axle/shaft/rod and the notches in the grinding stone, and is secured by the adjustment knob. (Sorry, I don't know what the correct name for this part is.)
It replaces the two T-shaped protrusions with four blocks that engage with the four notches in the base of the grinding stone, both to avoid hard to remove supports, and to hopefully reduce the load applied on each individual protrusion, making this part less prone to cracking.
Designed in OpenSCAD 2021.01 from measurements alone. The code is available for download with many adjustable variables.
The original part comes from an unbranded “Manual Coffee Grinder”/"Portable Coffee Bean Grinder", bought from AliExpress (example, not a recommendation).