On Tuesday, January 31, 2012 11:15:31 AM Chris Radek did opine:

> On Tue, Jan 31, 2012 at 10:49:04AM -0500, gene heskett wrote:
> > show stopper.  In doing a G38.2 f1 z2.5, it will probably stop well
> > within a thou of contact.  But then I am dead in the water because
> > when I try to do a z move to #5063 + 0.01, it will move about .0005,
> > breaking the contact, which is then reported as an error, shutting
> > the machine down and
> 
> Exactly what error do you get?
> 
> I'm suspicious that it's not the break that's the error, it's
> another bounced make.

While that is virtually guaranteed to happen Chris, my point is that once 
the G38.2 move has detected a closure, stopped the named axis and recorded 
the machine state, the usefulness of the probe has been fulfilled, so why 
the heck should it care one way or the other when the machine tries to do a 
g0 z[#5063 +0.02] in order to back off and retry the G38.2 with a much 
smaller Fspeed to get a fine tuned position that doesn't have as much 
overshoot it it due to the machines stopping distances.  It shouldn't care 
about the probe status when its making a non-probe related move.  It does 
care while executing the following G00 or G01 move, and its reporting the 
probe break error down in the lower right corner and aborting the program.

One thought I just had was to kill the move blending by a G34? P1 as the 
next move, forcing a full dead stop after the G38.2.  I'll do that in an 
hour or so and see if that fixes it.

Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page: <http://coyoteden.dyndns-free.com:85/gene>
Is your job running?  You'd better go catch it!

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