8 Cycles
-
8.5 SL Cycles
Area of exclusion
All of surface A is to be left unmachined except
the portion overlapped by B:
l
A must be an island and B a pocket.
l
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.
l
A and B must be islands.
l
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
Fig. 8.50: Overlapping islands: area of exclusion
Fig. 8.51: Overlapping islands: area of intersection
8-48 TNC 370
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