There is a difference between touching off to set tool offsets and touching off to set the origin (part zero). Sounds like u were touching off to set the origin then did it again on the next tool.... Chris Morley
----- Reply message ----- From: "sam sokolik" <sa...@empirescreen.com> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> Subject: [Emc-users] Tool Table blues Date: Wed, May 27, 2015 9:18 AM I found these directions very informative.. http://linuxcnc.org/docs/2.6/html/lathe/lathe-user.html#_tool_touch_off sam On 5/27/2015 11:03 AM, andy pugh wrote: > On 22 May 2015 at 17:20, Marius Liebenberg <mar...@mastercut.co.za> wrote: >> Then I put tool 1 in the post and do a reference cut. >> I touchoff X to the cut size >> I touchoff Z to the chuck face. >> Save the tool table and reload >> Then I do a tool change with the button in Gmoccapy and put the next >> tool in and repeat the above. >> >> If I now put tool 1 back in and do a M6 T1 it is no longer at the same >> as what it was set just now. >> >> Do I have the cat by the you know what here??? > There are two places to set offsets. It seems likely that you are > over-writing the first offset with the second. > > One common way to work with a lathe is to have a reference tool that > has zero offsets in the tool table. You then touch-off this tool to > set the G54 (55, 56, whatever) coordinate system relative to the work. > You then set other tools as offsets relative to the reference tool by > touching-off into the tool table. > > That way, when you set a new Z reference in G54 (or whatever) the > controlled point of every tool moves to match. > > So, tool 1, test cut, set origin, second tool test-cut, set tool > offset, 3rd tool same as second etc. > > > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
