Re: rough digitizing using proximity sensors

Alan,

Page number mode is at the top of the screen toward the right side,
under the work GO.

I looked at these and they are not mounted in any type of "probe" I
think you might be able to make a housing, but I am not sure how large
the sensors are.

John G.


-- In CAD_CAM_EDM_DRO@y..., Alan Marconett KM6VV <KM6VV@a...> wrote:

> Hi Doug,
>
> I checked MSC direct online, and didn't see a page # mode. can you
> supply model # and mfg for those of us without catalogs?
>
> I did manage to find some 2" delrin (sp?), so I may just make my own
> vers. of a Renishaw probe. I hope this photo probe has a small

shank,

> gotta fit a Sherline!
>
> Alan KM6VV
>
>
> Doug Fortune wrote:
> >
> > A few weeks ago we were talking about making
> > (or retrofitting) our own digitizers. At that time,
> > I suggested a digitizing "roughing" pass would enable
> > optimal trajectory planning for the "finishing" digitizing
> > pass.
> >
> > In the MSC 2000/2001 catalog (http://www.mscdirect.com )
> > page 3932 from Omron there is a:
> >
> > "convergent beam photo-micro sensor" $37.52
> >
> > both side and end facing sensors
> > 2 to 6mm sensing distance
> > 0.2 mm differential distance at 3 mm sensing distance
> > 100 Hz response frequency
> > takes 5-24 Volts
> >
> > As a non-contact means of probing, perhaps appropriate
> > algorithms can be developed to rough digitize (here, rough might
> > mean 0.2 mm) at maximum feed rates.
> >
> > Doug Fortune
> >