Quote:
Originally Posted by Oblarg
We used to use thick surgical tubing for the coupling, but found that this actually causes a fair amount of noise in the encoder reading (my best guess is that the torsional flex in such a coupling leads to something like a stick-slip behavior, but I have no way of actually testing this). We now use helical beam couplers instead.
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If your encoder mount has some free play or reasonably tight tolerances, I also really like slotting the given shaft and then clamping down with a hex or round shaft collar.