HEIDENHAIN ITNC 530 - CONVERSATIONAL PROGRAMMING User Manual page 229

Example: Full circle with Cartesian coordinates
0 BEGIN PGM C-CC MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S3150
4 CC X+50 Y+50
5 L Z+250 R0 FMAX
6 L X-40 Y+50 R0 FMAX
7 L Z-5 R0 F1000 M3
8 APPR LCT X+0 Y+50 R5 RL F300
9 C X+0 DR-
10 DEP LCT X-40 Y+50 R5 F1000
11 L Z+250 R0 FMAX M2
12 END PGM C-CC MM
HEIDENHAIN iTNC 530
Definition of workpiece blank
Tool call
Define the circle center
Retract the tool
Pre-position the tool
Move to working depth
Approach the starting point of the circle on a circular arc with
tangential
Connection
Move to the circle end point (= circle starting point)
Depart the contour on a circular arc with tangential
connection
Retract in the tool axis, end program
229