HEIDENHAIN TNC 410 ISO Programming - Manual (Page 299)

HEIDENHAIN TNC 410, TNC 426, TNC 430 273
8.7 SL Cy
cles Gr
ou
p II (no
t T
N
C
4
1
0)
FLOOR FINISHING (Cycle G123)
The tool approaches the machining plane smoothly (in a vertically
tangential arc). The tool then clears the finishing allowance remaining
from rough-out.
U U U U Feed rate for plunging Q11: Traversing speed of the
tool during penetration.
U U U U Feed rate for milling Q12: Traversing speed for
milling.
Example: NC block
N60 G123 Q11=100 Q12=350 *
X
Z
Q11
Q12
The TNC automatically calculates the starting point for
finishing. The starting point depends on the available
space in the pocket.