HEIDENHAIN ITNC 530 User Manual page 224

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 DEF 1 L+0 R+12.5
4 TOOL CALL 1 Z S3150
5 CC X+50 Y+50
6 L Z+250 R0 FMAX
7 L X-40 Y+50 R0 FMAX
8 L Z-5 R0 F1000 M3
9 APPR LCT X+0 Y+50 R5 RL F300
10 C X+0 DR-
11 DEP LCT X-40 Y+50 R5 F1000
12 L Z+250 R0 FMAX M2
13 END PGM C-CC MM
224
Y
50
Define the workpiece blank
Define the tool
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
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
CC
X
50
6 Programming: Programming Contours