HEIDENHAIN iTNC 530 (340 420) ISO programming - Manual (Page 334)

334 8 Programming: Cycles
8.8 SL Cy
cles with Cont
our F
or
m
ula
Contour description program 1: Pocket A
Contour description program 2: Pocket B
Area of inclusion
Both surfaces A and B are to be machined, including the overlapping
area:
n The surfaces A and B must be programmed in separate programs
without radius compensation.
n In the contour formula, the surfaces A and B are processed with the
“joined with” function.
Contour definition program:
%POCKET_A G71
N10 G01 X+10 Y+50 G40
N20 I+35 J+50
N30 G02 X+10 Y+50
N999999999 %POCKET_A G71
%POCKET_B G71
N10 G01 X+90 Y+50 G40
N20 I+65 J+50
N30 G02 X+90 Y+50
N999999999 %POCKET_B G71
A
B
N50 ...
N60 ...
N70 DECLARE CONTOUR QC1 = “POCKET_A.H“
N80 DECLARE CONTOUR QC2 = “POCKET_B.H“
N90 QC10 = QC1 | QC2
N100 ...
N110 ...