HEIDENHAIN TNC 360 User Manual - Manual (Page 175)

TNC 360 8-22
8 Cycles
Fig. 8.20: Overlapping pockets: area of inclusion
Fig. 8.21: Overlapping pockets: area of exclusion
Fig. 8.22: Overlapping pockets: area of intersection
8.3 SL Cycles
A
B
A
B
A
B
Area of inclusion
Both areas (element A and element B) are to be
machined — including the area of overlap.
• A and B must be pockets.
• The first pocket (in cycle 14) must start outside
the second.
15 LBL 1
16 L X+10 Y+50 RL
17 CC X+35 Y+50
18 C X+10 Y+50 DR+
19 LBL 0
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:
• A must be a pocket and B an island.
• A must start outside of B.
15 LBL 1
16 L X+10 Y+50 RL
17 CC X+35 Y+50
18 C X+10 Y+50 DR+
19 LBL 0
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.
• A and B must be pockets.
• A must start inside B.
15 LBL 1
16 L X+60 Y+50 RL
17 CC X+35 Y+50
18 C X+60 Y+50 DR+
19 LBL 0
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
The subprograms are used in the main program on page 8-21.