HEIDENHAIN TNC 370 User Manual page 235

8 Cycles
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8.5 SL Cycles
Area of inclusion
Both areas (element A and element B) are to be
machined - including the area of overlap.
l
A and B must be pockets.
l
The first pocket (in Cycle 14) must start outside
the second.
15 LBLI
16 L X+10 Y+50 RL
17 cc x+35 Y+50
18 C X+1 0 Y+50 DR+
19 LBLO
20 LBL 2
21 L x+90 Y+50 RL
22 CC X+65 Y+50
23 C X+90 Y+50 DR+
24 LBL 0
Area of exclusion
Surface A is to be machined without the portion
overlapped by B:
l
A must be a pocket and B an island.
l
A must start outside of B.
15 LBLI
16 L X+10 Y+50 RL
17 cc x+35 Y+50
18 C X+10 Y+50
DR+
19 LBLO
20 LBL 2
21 L X+90 Y+50 RR
22 CC X+65 Y+50
23 C X+90 Y+50 DR+
24 LBL 0
Area of intersection
Only the area of intersection of A and B is to be
machined. (All of surfaces A and B are to be left
unmachined except the portion overlapped by
both.)
l
A and B must be pockets.
l
A must start inside B.
15 LBLI
16 L X+60 Y+50 RL
17 cc x+35 Y+50
18 C X+60 Y+50 DR+
19 LBLO
20 LBL 2
21 L X+90 Y+50 RL
22 CC X+65 Y+50
23 C X+90 Y+50 DR+
24 LBL 0
1
Fig. 8.46: Overlapping pockets: area of inclusion
ig. 8.47: Overlapping pockets: area of exclusion
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Fig. 8.48: Overlapping pockets: area of intersection
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The subprtlgrams are used in the main program on page B-45.
8-46 TNC 370
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