HEIDENHAIN TNC 426 B User Manual page 209

Area of inclusion
Both surfaces A and B are to be machined, including the mutually
overlapped area:
The surfaces A and B must be pockets.
The first pocket (in Cycle 14) must start outside the second
pocket.
Surface A:
51 LBL 1
52 L X+10 Y+50 RR
53 X+35 Y+50
54 X+10 Y+50 DR-
55 LBL 0
Surface B:
56 LBL 2
57 L X+90 Y+50 RR
58 X+65 Y+50
59 X+90 Y+50 DR-
60 LBL 0
Area of exclusion
Surface A is to be machined without the portion overlapped by B
Surface A must be a pocket and B an island.
A must start outside of B .
Surface A:
51 LBL 1
52 L X+10 Y+50 RR
53 X+35 Y+50
54 X+10 Y+50 DR-
55 LBL 0
Surface B:
56 LBL 2
57 L X+90 Y+50 RL
58 X+65 Y+50
59 X+90 Y+50 DR-
60 LBL 0
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A
B
A
8 Programming: Cycles
B