HEIDENHAIN TNC 407 (280 580) ISO Programming - Manual (Page 238)

8-18
8 Cycles
TNC 426/TNC 425/TNC 415 B/TNC 407
Fig. 8.14: Example of an SL contour. A and B are pockets, C and D are
islands
8.3 SL Cycles (Group I)
.
.
.
.
.
.
.
.
.
A B
D C
CONTOUR GEOMETRY (G37)
Application
All subprograms that are superimposed to define
the contour are listed in Cycle G37 CONTOUR
GEOMETRY.
Input data
Enter the LABEL numbers of the subprograms.
Up to 12 label numbers can be defined.
Activation
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 for Cycle G37 CONTOUR GEOMETRY
G01 G42 X+0 Y+10 .................................................... Machining in the X/Y plane
X+20 Y+10
I+50 J+50