On 12/10/22 04:48, andy pugh wrote:
On Sun, 12 Dec 2021 at 11:12, Gene Heskett <ghesk...@shentel.net> wrote:
I need access to the Z position that is G53 referenced as I need the
absolute
position on the post assuming the home switch abut 40 thou below the top
is at 0.00000.
"Matrixkins" was just added to Master, this allows you to correct the
motion of each axis based on the other two (only works in XYZ)
http://linuxcnc.org/docs/devel/html/man/man9/matrixkins.9.html
Thank you Andy, a lot. It turns out that tramming error was the bigger
part of the problem, the G0704's do not have an indicator to
re-establish tram if the head has been turned to do a horizontal
drilling operation. The perpendicularity error is no worse than 15 thou
in a foot of travel, which is probably as good as you'll get for $1195
when I bought it all those years ago now. This will drive me to rig
some sort of an indexing method. One that is accurate, and able to get
out of the way too. Unfortunately, the pivot point wasn't made for
accuracy, only bolting it solid with 4 bolts, all shlopily drilled. One
in the center, and a smaller ones at 120 degree intervals around the
center. Chinese version of BBLB.
Take care & stay well.
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, 1940)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/>
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