HEIDENHAIN TNC 410 ISO Programming - Manual (Page 248)

222 8 Programming: Cycles
8.3 Cy
cles f
o
r Dr
illing
, T
a
p
p
ing
and
Th
read Millin
g U U U U Workpiece surface coordinate Q203 (absolute
value): Coordinate of the workpiece surface.
U U U U 2nd set-up clearance Q204 (incremental value):
Coordinate in the tool axis at which no collision
between tool and workpiece (clamping devices) can
occur.
U U U U Feed rate for counterboring Q254: Traversing
speed of the tool during counterboring in mm/min.
U U U U Feed rate for milling Q207: Traversing speed of the
tool in mm/min while milling.
Example: NC block
N25 G265 Q335=10 Q239=+1.5 Q201=-16
Q253=750 Q358=+0 Q359=+0
Q360=0 Q200=2 Q203=+30 Q204=50
Q254=150 Q207=500 *