Quote:
Originally Posted by bmammen
We used a lathe to bore a 1/4" hole into the end of the 1/2" hex shaft our arm was rotating on, we then slotted it on the 6 sides of the 1/2" hex shaft by making 3 cuts straight across, and finally added a collar clamp to tighten the end of the hex shaft after the encoder shaft was inserted. We simply used 2x2 angle to mount the POT in place.
If you're interested I could take pictures next time I'm up at the shop.
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I've done similar as well. works with even just a single slit across. Since it's more or less a rigid coupling, good practice would be to make a somewhat flexible mount so minimal side load is put on the encoder shaft. The encoder body mount simply needs to stop the body of the encoder from rotating, not locate it. Bent 1/16" polycarbonate works well.