Yeah, I don't have the latest trajectory planner.  3d_chips was one of my
test files and came out ok without G64 settings.

Any suggestions on how to estimate with G64?



> -----Original Message-----
> From: Todd Zuercher [mailto:zuerc...@embarqmail.com]
> Sent: Thursday, 16 October 2014 3:16 AM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Thoughts on a Python script to calculate
estimated
> run time, for G code and my first hacked sub routine
> 
> My guess is the new tool planner's G64 settings are throwing off the
> estimate.  Try the real time with tighter G64 PXXX, and I suspect your
results
> will differ.
> 
> ----- Original Message -----
> From: "Sebastian Kuzminsky" <s...@highlab.com>
> To: "Enhanced Machine Controller (EMC)" <emc-
> us...@lists.sourceforge.net>
> Sent: Wednesday, October 15, 2014 12:00:38 PM
> Subject: Re: [Emc-users] Thoughts on a Python script to calculate
estimated
> run time, for G code and my first hacked sub routine
> 
> On 10/15/14 4:07 AM, Frank Tkalcevic wrote:
> > I was so annoyed that the estimates for my 3d printing jobs were so
> > far off (estimated 2 hours, took 8) that I modified the axis code.  It
> > looks at the Velocity and acceleration of each axis and tries to
> > calculate a more accurate time.  It only looks at moves - no G64 or
> > probing.  It isn't perfect, but much closer.
> >
> > The attached file is the changes - a new gcode_properties function and
> > some additional routines.
> >
> > My version of linuxcnc is pretty old, so a diff or patch wouldn't be
useful.
> 
> That change looks good to me, thanks.
> 
> I pasted all the parts of your file into appropriate-seeming places in
axis.py,
> and it runs, so that's good.  But i think something's off with the
estimate still.
> 
> I did some testing with the sim/axis/axis config.
> 
> Your code's estimate for the splash screen gcode is 2:09, which is within
a
> second of the measured runtime.  The current version of Axis in the master
> branch estimates "2.1 minutes", so they agree on this one.
> 
> But the estimate for 3D_Chips.ngc is way off.  The current master version
of
> Axis estimates 0:46, your code estimates 3:44, and measured runtime is
1:11.
> So I think there's some work to do still.
> 
> I pushed your updated version to git.linuxcnc.org as a branch called
> 'seb/master/ftkalcevic-axis-estimate', for wider testing and in case you
want
> to refine the code.
> 
> 
> --
> Sebastian Kuzminsky
> 
>
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