Re: dc spindle motor control.

???? Jon, would alternating the current direction thru the field help
with your low voltage delima????

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
> jeff35m_73068 wrote:
>
> >The third wire I refer to is directly off the brush wiring, and
must
> >be from about the center of that circut. There must be a way to
> >control this motor, It is a factory fanuc spindle motor. Would
> >decrasing the field current still increase the motor speed?
> >
> >
> Yes, it should. But, you will likely need a 20 A, 1 V power supply
> for the field. That will be hard to find.
>
> Jon