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Sparkmaker Leadscrew Nut - 2mm pitch

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  • leadscrew-nut-8mm-1.98mmpitch.stl

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3D model size X 22 × Y 6.5 × Z 12 mm
Publication date 2022-10-13 at 14:48
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Published to Thingiverse on: 2018-05-28 at 15:05
Design number 883902

3D printer file info

3D model description

I've tried the original nut by sacy, but it remained too tight to be used by the sparkmaker servo. Attempts at scaling it up lead to a better fit, but never lose enough, up to the point where the side screws were no longer matching the hole positions on the carriage.
So I reviewed the model, and changed the thread pitch from 1.5mm to 1.98, which is closer to the 2mm pitch of the leadscrew on the printer(I used a sligthly smaller pitch to create pressure/tigthness). My testing shows that it now fits without the need of stripping platic with the leadscrew connected to a drill, like the original one.
Depending on your printers, you might need to scale it up or down, but probably not by more than a couple of percents.
I've printed it using 100% infill and a 0.12 layer height. It takes about 1g of PLA.

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