On Wed, Dec 15, 2010 at 05:56:52PM -0600, Jon Elson wrote:
> Robert Blanton wrote:
> > I am using an older version of EMC 2.3.0. I am getting this error {
> > **Radius to end of arc differs from radius to start** }.
> >
> Andy gave you the mathematical answer of why, but you probably want to know
> how to fix it. The best way is to specify all arcs by radius, rather
> than X and Y
> distance to center, which can have a discrepancy due to roundoff, for
> instance.
> (Your code apparently was not just a roundoff error, but much bigger.)
>
> If your CAM program can produce the r-format instead of IJ format, just
> turn on that mode.
> Your arcs will look like G03 X1 Y2 R0.125
If you want your invalid gcode to keep running and cut SOMETHING, no
matter how crazy, this is good advice.
If you want EMC to be able to detect when your defective CAM software
is clearly giving you bogus gcode (as Andy explained), this is bad
advice.
You need to get correct gcode if you want to cut a certain desired
path. Getting EMC to accept the invalid gcode is the wrong goal.
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