HEIDENHAIN ITNC 530 User Manual page 232

Example: Helix
0 BEGIN PGM HELIX 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+5
4 TOOL CALL 1 Z S1400
5 L Z+250 R0 FMAX
6 L X+50 Y+50 R0 FMAX
7 CC
8 L Z-12.75 R0 F1000 M3
9 APPR PCT PR+32 PA-182 CCA180 R+2 RL F100
10 CP IPA+3240 IZ+13.5 DR+ F200
11 DEP CT CCA180 R+2
12 L Z+250 R0 FMAX M2
13 END PGM HELIX MM
To cut a thread with more than 16 revolutions
...
8 L Z-12.75 R0 F1000
9 APPR PCT PR+32 PA-180 CCA180 R+2 RL F100
10 LBL 1
11 CP IPA+360 IZ+1.5 DR+ F200
232
Y
100
50
Define the workpiece blank
Define the tool
Tool call
Retract the tool
Pre-position the tool
Transfer the last programmed position as the pole
Move to working depth
Approach the contour on a circular arc with tangential connection
Helical interpolation
Depart the contour on a circular arc with tangential connection
Retract in the tool axis, end program
Identify beginning of program section repeat
Enter the thread pitch as an incremental IZ dimension
CC
X
50 100
6 Programming: Programming Contours