HEIDENHAIN ITNC 530 - CYCLE PROGRAMMING - Area of Exclusion

HEIDENHAIN iTNC 530 189
7.3 Overlapping Contours
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.
 B must start inside of A.
Surface A:
Surface B:
Area of intersection
Only the area where A and B overlap is to be machined. (The areas
covered by A or B alone are to be left unmachined.)
 A and B must be pockets.
 A must start inside of B.
Surface A:
Surface B:
A
B
51 LBL 1
52 L X+10 Y+50 RR
53 CC X+35 Y+50
54 C X+10 Y+50 DR-
55 LBL 0
56 LBL 2
57 L X+90 Y+50 RL
58 CC X+65 Y+50
59 C X+90 Y+50 DR-
60 LBL 0
A
B
51 LBL 1
52 L X+60 Y+50 RR
53 CC X+35 Y+50
54 C X+60 Y+50 DR-
55 LBL 0
56 LBL 2
57 L X+90 Y+50 RR
58 CC X+65 Y+50
59 C X+90 Y+50 DR-
60 LBL 0