I have some inexpensive Chinese stepper motors so the inductance is a little high and will limit the speed. From a practical sense this won't be an issue because my machine is a plywood build hobby machine. My cutting speed won't need to be that great.

So I calculated the theoretical max rpm based on inductance.

For rapid non-cutting motion can I exceed the max theoretical rpm? Based on your experience is there a practical limit to over speed for a stepper?