Gene Heskett wrote:
> They are now included at
> <http://gene.homelinux.net:85/gene/emc> as 'probe-*.jpg'
>
> These opto's I used have about a .150" gap. It holds the thing together when
> assembled. I don't recall now if they have schmidt outputs or not.
>
Nice probe.
I made one using the Renishaw patent using three carbide pins resting on
steel balls. If one of the pins is lifted, the circle is broken and the
switch (de)activates. My webpage
(http://www.myvoice.nl/freesmachine/nulsteller.php?lang=en) shows it
being developed as a tool-length probe but mounting it upside down in
the spindle makes it a touch probe - only needs a different bottom plate
(becoming the top-plate with a pin to fit in the collet) and a probe tip
instead of a flat probing surface.
The design is a bit complex but the nice thing is that it works great on
curved surfaces as well.
Regards,
Rob
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