HEIDENHAIN TNC 620 (81760x-01) Cycle programming - Manual (Page 178)

Fixed Cycles: Contour Pocket
7.3 Superimposed contours
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TNC 620 | User's Manual Cycle Programming | 3/2014
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:
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
Surface B:
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