HEIDENHAIN iTNC 530 (34049x-08) Cycle programming - Manual (Page 250)

250 Fixed cycles: contour pocket with contour formula
9.1
SL
cy
cles
with
complex
cont
our
fo
rm
ula
Contour description program 1: pocket A
Contour description program 2: pocket B
Area of inclusion
Both areas A and B are to be machined, including the overlapping area:
 The areas A and B must be programmed in separate programs
without radius compensation.
 In the contour formula, the areas A and B are processed with the
"joined with" function.
Contour definition program:
0 BEGIN PGM POCKET_A MM
1 L X+10 Y+50 R0
2 CC X+35 Y+50
3 C X+10 Y+50 DR-
4 END PGM POCKET_A MM
0 BEGIN PGM POCKET_B MM
1 L X+90 Y+50 R0
2 CC X+65 Y+50
3 C X+90 Y+50 DR-
4 END PGM POCKET_B MM
A
B
50 ...
51 ...
52 DECLARE CONTOUR QC1 = "POCKET_A.H"
53 DECLARE CONTOUR QC2 = "POCKET_B.H"
54 QC10 = QC1 | QC2
55 ...
56 ...