Hi,
all stepper lose speed the faster they go. The winding inductance is the principle determinant as to how bad the loss of torque is, the
lower the inductance the better.
In 23/24 size motors look for 1-2mH, 1mH preferred and reject anything over 2mH.
In 34 size look for 2-4mH, 2mH preferred and reject anything over 4mH.
Run the steppers on the highest voltage driver you can find. At the current time 80VDC is the practical maximum. A linear (transformer/rectifier/capacitor) supply
is preferred over cheaper switchmode supplies.
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Object reference not set to an instance of an object.
https://www.antekinc.com/ps-10n80-10...-power-supply/
Craig