HEIDENHAIN CNC PILOT 640 User Manual page 411

DIN/ISO programming | Milling cycles
Q: Cycle type (default: 0) – Depending on U, the following applies:
Contour milling (U = 0)
Q=0: Center of milling cutter on the contour
Q=1, closed contour: Inside milling
Q=1, open contour: Left in machining direction
Q=2, closed contour: Outside milling
Q=2, open contour: Right in machining direction
Q=3, open contour: Milling location depends on H and the
direction of tool rotation—see help graphic
Pocket milling (U > 0)
Q=0: From the inside toward the outside
Q=1: From the outside toward the inside
O: Roughing/Finish
0: Roughing
1: Finishing
Example: G794
%794.nc
N1 T7 G197 S1200 G195 F0.2 M104
N2 M14
N3 G110 C0
N4 G0 X110 Z5
N5 G794 XS100 XE97 P2 U0.5 R0 K0.5 F0.15
N6 G314 Z-35 C0 R20
N7 G80
N8 M15
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HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
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