Heidenhain iTNC 530 (340 420) Manuel d'utilisateur Page 190

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162 6 Programming: Programming Contours
6.5 Path Contours—Polar Coordinates
To cut a thread with more than 16 revolutions
Example: Helix
0 BEGIN PGM HELIX MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
Define the workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL DEF 1 L+0 R+5
Define the tool
4 TOOL CALL 1 Z S1400
Tool call
5 L Z+250 R0 FMAX
Retract the tool
6 L X+50 Y+50 R0 FMAX
Pre-position the tool
7CC
Transfer the last programmed position as the pole
8 L Z-12.75 R0 F1000 M3
Move to working depth
9 APPR PCT PR+32 PA-182 CCA180 R+2 RL F100
Approach the contour on a circular arc with tangential connection
10 CP IPA+3240 IZ+13.5 DR+ F200
Helical interpolation
11 DEP CT CCA180 R+2
Depart the contour on a circular arc with tangential connection
12 L Z+250 R0 FMAX M2
Retract in the tool axis, end program
13 END PGM HELIX MM
X
Y
50
50
CC
100
100
M64 x 1,5
...
8 L Z-12.75 R0 F1000
9 APPR PCT PR+32 PA-180 CCA180 R+2 RL F100
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