RE: [CAD_CAM_EDM_DRO] Re: SPINDLE speed controller, collets, WAS re: Roland CAMM-3 ?

HI Dave,

That's what I'd really like to do. However they don't bring out separate
armature and field windings from the motor.

Goal as you've indicated is to eventually control it from Gcode part program
via a PIC.

Alan KM6VV

>
>
> > I picked the DeWalt trim router also. It is specified as an "AC ONLY"
> > motor, it has brushes, and both armature and field windings. What speed
> > controller can be used on it? A baby VFD?
> >
> > Alan KM6VV
>
> If you have a treadmill motor speed controller, you should be able to
> use that.
>
> there are two AC inputs and 2 Armature outputs.
> there are also 3 leads for a pot input.
> you can use an op-amp fed from a PWM to get a DC output from the PIC
> or PC. that would enable you to control the speed from software.
>
> Dave
>
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