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7 sl cy cles with cont our f o rm ula – HEIDENHAIN iTNC 530 (340 49x-02) ISO programming User Manual

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8 Programming: Cycles

8.7 SL Cy

cles with Cont

our F

o

rm

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:

„

The surfaces A and B must be entered in separate programs without
radius compensation.

„

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 *

N99999999 %POCKET_A G71 *

%POCKET_B G71 *

N10 G01 X+90 Y+50 G40 *

N20 I+65 J+50 *

N30 G02 X+90 Y+50 *

N99999999 %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 ...