Programming Contours | Path contours – Polar coordinates
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
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Example: Linear movement with polar coordinates
0 BEGIN PGM LINEARPO 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 S4000
Tool call
4 CC X+50 Y+50
Define the preset for polar coordinates
5 L Z+250 R0 FMAX
Retract the tool
6 LP PR+60 PA+180 R0 FMAX
Pre-position the tool
7 L Z-5 R0 F1000 M3
Move to working depth
8 APPR PLCT PR+45 PA+180 R5 RL F250
Approach the contour at point 1 on a circular arc with
tangential connection
9 LP PA+120
Move to point 2
10 LP PA+60
Move to point 3
11 LP PA+0
Move to point 4
12 LP PA-60
Move to point 5
13 LP PA-120
Move to point 6
14 LP PA+180
Move to point 1
15 DEP PLCT PR+60 PA+180 R5 F1000
Depart the contour on a circular arc with tangential
connection
16 L Z+250 R0 FMAX M2
Retract the tool, end program
17 END PGM LINEARPO MM
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