Example: Coordinate conversion cycles

Program sequence

  • Program the coordinate transformations in the main program
  • Machining within a subprogram

0 BEGIN PGM C220 MM

1 BLK FORM 0.1 Z X+0 Y+0 Z-20

2 BLK FORM 0.2 X+130 Y+130 Z+0

3 TOOL CALL 1 Z S4500

; Tool call

4 L Z+100 R0 FMAX M3

; Retract the tool

5 TRANS DATUM AXIS X+65 Y+65

; Shift datum to center

6 CALL LBL 1

; Call milling operation

7 LBL 10

; Set label for program-section repeat

8 CYCL DEF 10.0 ROTATION

9 CYCL DEF 10.1 IROT+45

10 CALL LBL 1

; Call milling operation

11 CALL LBL 10 REP6

; Jump back to LBL 10; repeat six times

12 CYCL DEF 10.0 ROTATION

13 CYCL DEF 10.1 ROT+0

14 TRANS DATUM RESET

; Reset datum shift

15 L Z+250 R0 FMAX

; Retract the tool

16 M30

; End of program

17 LBL 1

; Subprogram 1

18 L X+0 Y+0 R0 FMAX

; Define milling operation

19 L Z+2 R0 FMAX

20 L Z-5 R0 F200

21 L X+30 RL

22 L IY+10

23 RND R5

24 L IX+20

25 L IX+10 IY-10

26 RND R5

27 L IX-10 IY-10

28 L IX-10 IY-10

29 L IX-20

30 L IY+10

31 L X+0 Y+0 R0 F5000

32 L Z+20 R0 FMAX

33 LBL 0

34 END PGM C220 MM