HEIDENHAIN SW 54843x-03 DIN Programming - Manual (Page 503)

HEIDENHAIN MANUALplus 620, CNC PILOT 640 503
6.1 Y
-axis cont
ours—F
undamentals
Cutting limit
If parts of the milling contour lie outside of the turning contour, you
must limit the machining area with the area diameter X / reference
diameter X (parameters of the section code or of the figure
definition).