Siemens sinumerik 840d Programming Manual page 288

Tool Offsets
8
8.6 Tool orientation
840D
NCU 572
NCU 573
Programming example for ORIC
If two or more blocks with orientation changes (e.g.
A2= B2= C2=) are programmed between traversing
blocks N10 and N20 and ORIC is active, the inserted
circle block is divided among these intermediate
blocks according to the values of the angle changes.
ORIC
N8 A2=... B2=... C2=...
N10 X... Y... Z...
N12 C2=... B2=...
N14 C2=... B2=...
N20 X =...Y=... Z=... G1 F200
8-288
840Di
The circle block inserted at the external
corner is divided among N12 and N14 in
accordance with the change in orientation.
The circular movement and the orientation
change are executed in parallel.
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition
N14
N12
N10
 Siemens AG 2000. All rights reserved
04.00
8
N20