Thats where I saw it! Sure it's not a fancy automated function implemented as
a "feature" in EMC but the variables are there to make it possible. Thanks for
the link Chris - my machine is covered with some tarps right now and the dual
boot system is in Billy Goat mode crunching away at video
recording/compression/burn cycle so it would have taken some time for me to
find it in the samples.
Snoopy - I hope that helps and makes sense to you - all it is doing is taking
the value that is probed at the start (and each successive time) and using that
as an add/subtract to calculate the new offset to find the new Z zero and allow
you to move onto the next cutting operation with the correct tool length set.
Read the documentation about variables and I think you'll understand what his
code is doing. You'd need to insert that manually into any G-code you generate
(I believe Cambam (what I use) lets you add G code routines into the MOP tree
so saving the code for insertion whenever you start a new operation with a
different tool should be fairly easy - otherwise there's always the text
editors (see the other threads that have sprung up recently about those...)).
Greg
www.distinctperspectives.com
----- Original Message -----
From: Chris Radek
To: Enhanced Machine Controller (EMC)
Sent: Wednesday, August 13, 2008 8:01 AM
Subject: Re: [Emc-users] R: New user new problem
On Wed, Aug 13, 2008 at 10:33:00AM +0200, snoopy wrote:
>
> Whit a collet I can do the change correctly, but I?m more happy if I
> find an automatically zero tool procedure whit a switch/probe.
http://cvs.linuxcnc.org/cvs/emc2/nc_files/tool-length-probe.ngc?rev=1.4
This Gcode program shows how I do that. This sample file is also in
the EMC2 distribution.
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