HEIDENHAIN TNC 360 ISO Programming - Manual (Page 169)

8-16
8 Cycles
TNC 360
Fig. 8.13: Example of an SL contour: A, B = pockets; C, D = islands
A B
D C
8.3 SL Cycles
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CONTOUR GEOMETRY G37
Application
Cycle G37: CONTOUR GEOMETRY contains the list
of subcontours that make up the complete contour.
Input data
Enter the LABEL numbers of the subprograms. A
maximum of 12 subprograms can be listed.
Effect
Cycle G37 becomes effective as soon as it is
defined.
Example:
G99 T3 L+0 R+3.5 *
T3 G17 S1500 * .......................................................... Working plane perpendicular to Z axis
G37 P01 1 P02 2 P03 3 *
G00 G40 Z+100 M2 *
G98 L1 ........................................................................ First contour label of the CONTOUR GEOMETRY cycle G37
G01 G42 X+0 Y+10 .................................................... Machining in the X/Y plane
X+20 Y+10
I+50 J+50