Re: [CAD_CAM_EDM_DRO] Re: Futaba Pulscale "CMC" Manual Needed

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "m_gershowitz"
> <mgershowitz@s...> wrote:
> > Hi Folks:
> >
> > I'm hoping someone can help me out with some information on an
> older
> > CNC controller that was used on a Bridgport retrofit that I just
> > acquired (but have yet to take delivery on) for home/hobby use.
> >
> > The unit is a Futaba PulscaleCMC model PCM001 with AC servo motors.
> >
> > I know that Futaba made DROs - this isn't one, it's a CNC
> > controller. It does use glass scales, I'm presuming to 'close the
> > loop', but it happens that the scales on the mill
> are "Heidenhain".
> > The controller panel, servos and servo drivers are all clearly
> > Futuba labeled (although the servos are Shinko Electric, re-labled
> > by Futaba).

Futaba at one time made a point to point system that used power feed
drives. It would "rapid" close to the desired end point then use the
"feed speed" to creep up to the finished location. The power feed was a
Servo brand or a clone. These systems used glass scales as described and
could be used as a DRO. Ed.