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7 coor dinat e t ransf or mation cy cles, Example: coordinate transformation cycles – HEIDENHAIN TNC 320 (340 551-02) User Manual

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8 Programming: Cycles

8.7 Coor

dinat

e

T

ransf

or

mation Cy

cles

Example: Coordinate transformation cycles

Program sequence

„

Program the coordinate transformations in
the main program

„

For subprograms within a subprogram, see
“Subprograms,” page 319.

0 BEGIN PGM COTRANS MM

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

Define the workpiece blank

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

3 TOOL DEF 1 L+0 R+1

Define the tool

4 TOOL CALL 1 Z S4500

Tool call

5 L Z+250 R0 FMAX

Retract the tool

6 CYCL DEF 7.0 DATUM SHIFT

Shift datum to center

7 CYCL DEF 7.1 X+65

8 CYCL DEF 7.2 Y+65

9 CALL LBL 1

Call milling operation

10 LBL 10

Set label for program section repeat

11 CYCL DEF 10.0 ROTATION

Rotate by 45° (incremental)

12 CYCL DEF 10.1 IROT+45

13 CALL LBL 1

Call milling operation

14 CALL LBL 10 REP 6/6

Return jump to LBL 10; repeat the milling operation six times

15 CYCL DEF 10.0 ROTATION

Reset the rotation

16 CYCL DEF 10.1 ROT+0

17 CYCL DEF 7.0 DATUM SHIFT

Reset the datum shift

18 CYCL DEF 7.1 X+0

19 CYCL DEF 7.2 Y+0

X

Y

65

65

130

130

45°

X

20

30

10

R5

R5

10

10