I have been using these from chris http://timeguy.com/cradek/01262579508
I got a renishaw knockoff from ebay that seems to work really well... And all the work was done. http://www.youtube.com/watch?v=KOi51ogqels&feature=youtu.be On Sat, 02 Jul 2011 13:04:36 -0500 Jon Elson <[email protected]> wrote: > Stuart Stevenson wrote: > > My preferred probe calibration protocol: > > > > clamp a known diameter hole (ex. dial bore gage master) to the machine table > > determine XY location of the hole (test indicator in the spindle? > I've seen these edge locators with an inside corner and a hole centered > over the intersection of the > sides of the corner. I don't know how to make one of these fixtures > accurately. A good one is > probably somewhat expensive. > > Steve Stallings had a $120 touch probe made by Wildhorse Innovations (I > think he paid > $140 but they have reduced the price.) It is modeled after the patented > Renishaw probe that recently > expired. It has a steel ball machined on the end of the probe rod. I > figured I could find a ruby > ball with a drilled hole somewhere relatively cheap and make it even better. > > Anyway, Mach is set up with some routines for probing edges and the > center of holes, and this > has apparently been done to some extent in EMC, also. There seems to be > a hole finding routine > in nc_progs. The center of a hole needs no information about the probe, > just that it is centered to the > spindle and the ball is spherical. To pick up an edge of a part > directly (without the above-mentioned > corner fixture) the routine needs to know the diameter of the probe > ball. And, then, it would be > most convenient if it could do the same thing the touch-off button does > in Axis, for both X and Y. > This would be really convenient, as I always fumble with whether I > should enter +radius or > -radius for the touch-off value. I have to always do G1 F10 X0 Y0 after > touching off to catch when > I have done it wrong. > > Jon > > ------------------------------------------------------------------------------ > All of the data generated in your IT infrastructure is seriously valuable. > Why? It contains a definitive record of application performance, security > threats, fraudulent activity, and more. Splunk takes this data and makes > sense of it. IT sense. And common sense. > http://p.sf.net/sfu/splunk-d2d-c2 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
