Years ago Jon Elson convinced me you almost could not too many
counts/rev.
Going from 5000 c/in (glass scale) to 40K c/in made a huge difference
in how easy it was
to tune.
I agree with Jon but changing the encoder is a pain and once I got past
the noise issues, tuning it was pretty straight forward. I have 200
counts/mm (~5k counts/inch) on Z and 819.2 counts/mm (~21k counts/inch)
on X. X is more important than Z on lathe as for the vast majority of
jobs I do diameter is more critical than length.
Les
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