There are sine wave controllers that do various smoothing things to run steppers smooth and silent. Trinamic calls it Spread Cycle and Stealth Chop. https://www.youtube.com/watch?v=Q0sJlGh9WNY On Tuesday, July 14, 2020, 11:18:22 AM MDT, Todd Zuercher <to...@pgrahamdunn.com> wrote: If you can hear it, it isn't smooth. I'd recommend using the finest micro stepping setting your driver offers, but simply not counting on more than 1/4 of a full step in your resolution accuracy. But just because the motor and drive may not be able to physically achieve positioning accuracy much better than 1/4 step, doesn't mean that having the finer micro step resolution won't significantly contribute to smoother quieter motion.
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