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by TrevM, published
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I am trying to create a fully printable mechanical clock. But I have failed miserably, I can NOT get it to work.
DO NOT MAKE IT. IT DOES NOT WORK.
I've just uploaded the OpenSCAD file on purpose.
I think I have the involute gears correct.
Whole gear chain works, but it is way too tight.
I started off with plastic on plastic bearings, tried in ABS, gears seemed to floppy and ABS seemed too abrasive, switched to PLA, much harder, seemed to be close, but too tight. Current file allows for 2mm ball bearings for every gear bearing, better but still too tight.
I'm only a software engineer, I am dearly hoping that some mechanical engineer with OpenSCAD experience could take a look and give me some advice.
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