If a contour has two consecutive circles the post outputs the second circle as just XY or for lathe XZ.

Results:

Hitachi Seiki CNC Lathe displays an alarm 0190 which is "Circular/ Helical Error" R=0  Define radius.

Fanuc 31iB Doosan NHP6300[CV]C6759.70.5.post mill a straight line.


N62G0X6.
N63Z.09
N64X1.325
N65G1X.7825F.005
N66Z-.01
N67G3X.875Z-.0562R.0463
N68G1Z-1.
N69X.9066
N70G3X.973Z-1.0141R.0463
N71X.999Z-1.0477 **** this line should read X.999Z-1.0477R.0463 ****G3 is modal
N72G1X.847Z-3.5317
N73Z-3.5529
N74X.875Z-3.5771
N75Z-3.64
N76X1.0625
N77Z-3.54
N78G0X1.325
N79X6.
N80G97S899
N81G0X6.
N82Z8.
N83M1


This gave an alarm on the controller

This is a post issue with some mill, Turning and Mill turn posts.