HEIDENHAIN TNC 320 (340 55x-03) - Manual (Page 162)

162 6 Programming: Programming Contours
6.4 P
a
th Cont
ours—Car
te
sian Coor
dinat
e
s
Example: Full circle with Cartesian coordinates
0 BEGIN PGM C-CC MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20 Definition of workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S3150 Tool call
4 CC X+50 Y+50 Define the circle center
5 L Z+250 R0 FMAX Retract the tool
6 L X-40 Y+50 R0 FMAX Pre-position the tool
7 L Z-5 R0 F1000 M3 Move to working depth
8 APPR LCT X+0 Y+50 R5 RL F300 Approach the starting point of the circle on a circular arc with
tangential
connection
9 C X+0 DR- Move to the circle end point (= circle starting point)
10 DEP LCT X-40 Y+50 R5 F1000 Depart the contour on a circular arc with tangential
connection
11 L Z+250 R0 FMAX M2 Retract in the tool axis, end program
12 END PGM C-CC MM
X
Y
50
50
CC