Re: [CAD_CAM_EDM_DRO] Yet more DRO

"D.F.S." wrote:

> > Renishaw are also marketing a flexible steel scale. Using a
> quadrature read
> > head, a 10 micron resolution is also possible.
> >
> > I'm trying to get a sample of Newall's tape to play around with - if
> I can get
> > the time at work. It should be possible to achive a higher
> resolution by using
> > multiple sensors...
>
> Getting a bit picky aren't we?
>
> I'll settle for the 10 microns, back when I was a kid We used a
> yardstick...
>

For a DRO, this should be FINE. For a CNC, however, more resolution
might be nice.
I have resolution of .00005" (~ .00127mm, or 1.27 uM) on my CNC X and Y
axes right now, and it
is just about enough to get smooth circles interpolated. I DEFINITELY
would not want
to go any lower than that.

Jon