KRUPS GVX2 (GVX231) replacement bevel gear
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This replaces the small gear on the Krups grinders which is used to set the coarse-ness of the grind.
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- Printables
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- Mechanical Parts
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- Creative Commons — Attribution
The orcaslicer .3mf file contains the actual best settings, which I used successfully. If you're not sure how to set "negative volumes" in your slicer, use the .stl files and set the print settings manually, because it is important to remove the square hole for the shaft.
Make sure you check teardown guides online, since these Krups grinders are a bit annoying to disassemble.
Recommended filament: any filament should be OK, I used PETG
Recommended nozzle size: 0.25mm would be best,
I found I was able to get an accurate print with 0.40mm nozzle on my MK4S printer, I set the line width to 0.36mm
I chose to use very slow speeds due to the small size of the model. (30mm/s with 500 acceleration)
Objects should be printed "upright" to eliminate the need for supports. A brim is essential!
First layer: 0.30mm
Subsequent layers 0.10-0.15mm, I think you could get away with 0.20mm.
3 perimeter walls for strength
I added a 1.75mm hole in the shaft so that a piece of filament can be glued inside to add strength. I actually don't think this is necessary.
Similar to the original model, there is no rotation limit added to this. You should tighten the system to its finest grind, then mark this position ensure the adjustment dial can be correctly positioned before reassembling the grinder.