On Thursday 28 February 2019 18:04:05 Frank Tkalcevic wrote: > I have a cheap ebay $100 probe. I had doubts about the accuracy, so I > perfomed a test probing a precision disc from all orientations. (The > disc came from a 1"-2" micrometer - it is used to "zero" the > micrometer). > > The results were pretty poor, with the error ranging from 0.3mm to > 0.75mm. > > http://www.franksworkshop.com.au/wordpress/2019/03/01/touch-probe-accu >racy/# results > Humm. That looks as if another 2 thou of backlash comp might make that probe look a lot better.
One never knows if he's checking the probe, or the machine thats driving it. Although a .0001" dial will help ID where the error is. Put its finger on the back side of the probes ball. > > I have no way to measure how good MY probe is. > > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
