From: John K. <jmk...@fa...> - 2010-04-21 20:11:36
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On Wed, 21 Apr 2010 11:27 -0700, "dave" <den...@ch...> wrote: > > Taking this a half-step further ... > a. hold position on master side of gantry > b. while monitoring a strain gage on the cross member minimize strain. > c. sync sides > d. home using master side. > Not easy but it makes sense to me. :-) > Of course, a lot of things that make sense to me don't to other > people. ;-) > You have to really serious about the end result to do it this way. :-) > > Dave > Actually, the real goal isn't minimizing strain, it is ensuring that the Y axis is 90 degrees to X. Hopefully that is at or near the minimum strain point, but axis squareness is really the critical parameter. John Kasunich -- John Kasunich jmk...@fa... |