On Friday 27 November 2015 19:03:37 Gene Heskett wrote: > On Friday 27 November 2015 12:21:26 Sebastian Kuzminsky wrote: > > On 11/27/2015 08:00 AM, Jeff Epler wrote: > > > A fellow developer apparently made a serious mistake with git, > > > putting most of the changes from master branch into the so-called > > > stable "2.7" branch. > > > > My bad, sorry! > > > > Thanks to John Thornton and Jeff Epler for detecting and cleaning up > > the mess I made. > > > > The problem does not affect any released versions, it only affects > > the 2.7 git branch and buildbot debs from when I made the bad merge > > on November 24 until Jeff fixed it just now on November 27. > > When I went out to do some more ebony buttons, shortly after noon my > time (EST) there was an orange star on the toolbar, which runs > package-manager. So before I ran lcnc, I let it update about 8 items, > which included the usual 3 suspects from linuxcnc. > > Then I ran the new version, and since this project wastes a lot of > time doing touch-offs of the z axis because the tools have a different > mounted length, I thought I'd try to teach myself how to enable TLO > compensation. Just 2 tools, but the 1/16" mill is set out a little > farther in a occasionally failed attempt to keep the er20 nut from > grinding on the work holdown clamps. Obviously the cutout tool, the > 1/16th, has to descend farther than the roundover. > > Before I do much more, I have got to make some thinner hold-down > clamps, these are about an inch tall, and if I made some 1/4" bar into > clamps, that problem would be history. But that isn't germain to > todays experience trying to learn how to use the G43 and G49 tlo comp > commands. > > Specifically, I added an arbitrary z value to the normally zeroed z > column in the tool table, in column 3, then played with variations of > the G43 command followed by a small z move. > > The tool table was reloaded each time I edited it. > > But any subsequent z move was exactly the z move requested, IOW, > nothing I did resulted in the tool position being offset even a > thousandth of an inch. > > So, either I need a better tut than is in the most recent pdf, or it > simply is not working. > > Must it be preceded by enabling the x/y comp in a dig/climb? That tool > comp is not enabled in my code as thats older code and I did those > offsets in the code as I wrote it, something like a year ago. > > There didn't appear to be any errors generated when I entered those > commands from the MDI command line, but quite a few looks at the > LCNC "status" report failed to show that there were any offsets in > effect. > > So, how do I proceed? > > Thanks all. > I googled around, and it appears that its takes positive numbers only, and that its normal to set the touch off at 0.0000 for the longest tool. Was it my negative numbers that were ignored? I can't recall if I tried both ways.
Thanks for any comments pointing me in the right direction before then. I'll try that tomorrow. > Cheers, Gene Heskett 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
