I was reading at that link provided that stepper drives do have the means to reduce the pulse frequency to simulate accel/decel, so that is good.
Do these ultra economy systems include encoder feedback? Part of what you are paying for in a real servo motor could be an integral mounted encoder.
Does anyone know how successfully stepper drives and motors
can perform circular interpolation? That is something else to check on before sinking money into a stepper drive system because you are going to want to be able to cut nice arcs with it.
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