HEIDENHAIN TNC 360 ISO Programming - Manual (Page 187)

8-34
8 Cycles
TNC 360
The subprogram is identical to the subpro-
gram shown on page 8-32
8.4 Cycles for Coordinate Transformations
X
Y
Z
70
60
2
3
1
30
25
20
15
Y
X
Z
.
.
.
Example: Mirror Image
A machining sequence (subprogram 1) is to be
executed once – as originally programmed –
referenced to the datum X+0/Y+0
1 and then
again referenced to X+70/Y+60 2 mirrored 3
in X.
MIRROR IMAGE cycle in a part program
%S844I G71 * ............................................................ Begin program
N10 G30 G17 X+0 Y+0 Z–20 * ................................... Define workpiece blank
N20 G31 X+100 Y+100 Z+0 *
N30 G99 T1 L+0 R+4 * .............................................. Tool definition
N40 T1 G17 S1500 * .................................................. Tool call
N50 G00 G40 G90 Z+100 * ........................................ Retract the tool
N60 L1,0 * .................................................................. Execute sequence 1, not mirrored
N70 G54 X+70 Y+60 * ............................................... Datum shift
N80 G28 X * ............................................................... Activate mirror image
N90 L1,0 * .................................................................. Execute sequence 2 with datum shift and mirror image
N100 G28 * ................................................................ Cancel mirror image
N110 G54 X+0 Y+0 * ................................................. Cancel datum shift
N120 Z+100 M02 *
N130 G98 L1 *
N250 G98 L0 *
N9999 %S844I G71 *