This is SF feature request #1536176 submitted in Aug 2006
http://sourceforge.net/tracker/index.php?func=detail&aid=1536176&group_id=6744&atid=356744

As far as I can tell this is a useful feature and it should be possible 
to implement.

I think right now all moves are queued up as canon-command with their 
programmed feed rate (be it 'feed' or 'rapid'). This would require a 
change so that rapid moves a flagged as rapid and the new rapid-override 
applied to those only in the traj planner.

AW

> I want to have the rapid (G00) override separate from the federate (G01,
> etc) override.  We use this on a first run when you want to cut at the
> programmed federate, and watch the rapid moves for collisions with the part,
> fixture or clamps.  The procedure is one hand on the program stop button,
> one hand on the rapid override, one eye on the tool, one eye on the distance
> to go display.  Every machine I have run has had a rapid override switch,
> usually 0, 25, 50 and 100% rapid speed. 
> Are there 2 separate inputs into the motion controller that the slider is
> hooked to, or does the motion controller only have 1 feedrate override
> input?  This may be getting deep into the EMC architecture, but I'm not shy.
> Thanks,
> Tony
> 
>> -----Original Message-----
>> From: [EMAIL PROTECTED] [mailto:emc-users-
>> [EMAIL PROTECTED] On Behalf Of Jon Elson
>> Sent: Tuesday, April 08, 2008 9:10 PM
>> To: [EMAIL PROTECTED]; Enhanced Machine Controller (EMC)
>> Subject: Re: [Emc-users] Rapid Override
>>
>> Tony Bussan wrote:
>>> I have searched all over and cannot find any indication of how to
>>> implement rapid override with EMC.  Can anyone point me where I should
>>> be looking?
>> I'm not exactly sure what you mean by "rapid overide".  There is
>> a feedrate override slider on TkEMC and Axis that affects BOTH
>> cutting (G01) and non-cutting (G00) linear moves.  G01 is at the
>> programmed feedrate (F value) * the override.  G00 is at the
>> rate specified in the .ini setup file * the override.
>>
>> The override is disabled during threading cycles.
>>
>> Does any of that help?
>>
>> Jon
>>
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> 
> 
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