HEIDENHAIN TNC 360 User Manual - Manual (Page 177)

TNC 360 8-24
8 Cycles
Fig. 8.24: Overlapping islands: area of exclusion
Fig. 8.25: Overlapping islands: area of intersection
8.3 SL Cycles
A
B
A B
Area of exclusion
All of surface A is to be left unmachined except the
portion overlapped by B:
• A must be an island and B a pocket.
• B must start inside A.
22 LBL 2
23 L X+10 Y+50 RR
24 CC X+35 Y+50
25 C X+10 Y+50 DR+
26 LBL 0
27 LBL 3
28 L X+40 Y+50 RL
29 CC X+65 Y+50
30 C X+40 Y+50 DR+
31 LBL 0
32 END PGM 360823 MM
Area of intersection
Only the area of intersection of A and B is to remain
unmachined.
• A and B must be islands.
• A must start inside B.
22 LBL 2
23 L X+60 Y+50 RR
24 CC X+35 Y+50
25 C X+60 Y+50 DR+
26 LBL 0
27 LBL 3
28 L X+90 Y+50 RR
29 CC X+65 Y+50
30 C X+90 Y+50 DR+
31 LBL 0
32 END PGM 360823 MM