Siemens SINUMERIK 840D sl Programming Manual page 672

Work preparation
3.9 Transformations
T
S
N
B
TCP
O
Figure 3-4
Note
Behavior at inside corners with 3D tool offset
If the block is shortened at an inside corner, the programmed tool orientation is still taken over
at the end of the block.
672
Path tangent
Perpendicular to path tangent
Surface normal
Path
Tool Center Point
Orientation vector
Programming of LEAD TILT
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
NC programming