CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] EMC problem processing Vector G-code

Posted by Jon Elson
on 2004-07-10 23:01:36 UTC
reed_irion wrote:

>So when I put in this code to the EMC:
>N31 G01 X0.219 Y-0.250 F0.9
>N32 G03 X-0.250 Y0.219 I-0.469 J0.000
>N33 G01 X-4.123 Y0.219
>N34 G03 X-4.492 Y0.040 I0.000 J-0.469
>N35 G01 X-4.917 Y-0.501
>N36 G02 X-5.310 Y-0.693 I-0.393 J0.309
>N37 G01 X-7.521 Y-0.693
>N38 G03 X-7.740 Y-0.912 I0.000 J-0.219
>N39 G01 X-7.740 Y-1.412
>N40 G03 X-7.521 Y-1.631 I0.219 J0.000
>N41 G01 X-7.271 Y-1.631
>N42 G02 X-7.240 Y-1.662 I0.000 J-0.031
>N43 G01 X-7.240 Y-2.593
>N44 G03 X-6.771 Y-3.062 I0.469 J0.000
>N45 G01 X-5.256 Y-3.062
>N46 G02 X-5.095 Y-3.112 I0.000 J-0.281
>N47 G01 X-4.440 Y-3.569
>N48 G03 X-4.171 Y-3.653 I0.268 J0.385
>N49 G01 X-0.250 Y-3.653
>N50 G03 X0.219 Y-3.184 I0.000 J0.469
>N51 G01 X0.219 Y-0.250
>
>I get a "radius to end of arc differs from radius to start of arc..."
> How do I get Vector to correct the arc so that EMC will run it, or
>what do I have to adjust in the emc.ini ?
>
>
Can you get Vector to produce the arcs with the R word (for radius)
rather than the offset to the arc center (I, J words)? That makes the
arc unambiguous, even with slight roundoff errors in the coordinates.

Also, 3 fraction digits are not sufficient to accurately specify the
locations.

Jon

Discussion Thread

reed_irion 2004-07-10 17:50:24 UTC EMC problem processing Vector G-code Statman Designs, LLC 2004-07-10 17:53:41 UTC Re: [CAD_CAM_EDM_DRO] EMC problem processing Vector G-code Fred Smith 2004-07-10 19:24:26 UTC Re: EMC problem processing Vector G-code Jon Elson 2004-07-10 23:01:36 UTC Re: [CAD_CAM_EDM_DRO] EMC problem processing Vector G-code