Steppers can and should be driven at much higher than the rated voltage. Steppers drivers only regulate the current. By using higher voltages, it allows the current to flow faster through the motor, which let's the motor spin faster.
__________________
Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |