Re: [CAD_CAM_EDM_DRO] CMM Software

As Alan has quite nicely described the probe,(thanks Alan!) I would
suggest you check out TurboCNC as the software.
Extreme value for the money ($20 registration), and a nice piece of
software all round.
Usual disclaimers....
HTH
Iain


Alan Marconett KM6VV wrote:

>
> Hi Hans,
>
> You might check out the patent documentation. I understand that the
> patent might be running out?
>
> I believe to a simpler extent, that the MaxNC probe is of a similar
> design. As I suspect you're interested in making one, I'll describe the
> MaxNC probe.
>
> Basically, in the MaxNC, there is a triangular piece of PCB material
> connected to the probe. This piece is pressed (with a spring) against a
> round PCB with three 2-56 screws protruding through the board. The
> center of the round board has a hole that clears the long thin probe.
> The three contact pairs thus formed are connected in series. If the
> triangular board is tipped, then one or more pairs of contacts are
> opened, and this event (with a pull up resistor) is read into the PC on
> a parallel port line.
>
> For the Renishaw, there are three small spheres, and they bridge
> triangular shaped contact pairs, as I recall.
>
> I built my own (PCB style) probe. I even explored using some small
> bearings to more closely duplicate the Renishaw, but never got around to
> it.
>
> Contact me off list if you're interested in hearing more.
>
> Alan KM6VV