7
08.97 Transformations
7.1 Three
four and five-axes transformation: TRAORI
7
840D
NCU 572
NCU 573
840Di
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Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA)
−
04.00 Edition
7-227
The surface normal vector must be perpendicular to
the path tangent with a limit value set via machine
data or else an alarm is output.
Programming the tool orientation: with LEAD
and
TILT
The resulting tool orientation is determined from:
−
path tangent,
−
surface normal vector
−
lead angle LEAD
−
tilt angle TILT at end of block
LEAD
TILT
Explanation of the commands
LEAD
Angle relative to the surface normal vector in the plane created from the
path tangent and surface normal vector
TILT
Angle in the plane, perpendicular to the path tangent relative to the
surface normal vector
Behavior at inside corners (with 3D tool offset)
If the block is shortened at an inside corner, the
resulting tool orientation is also achieved at the block
end.
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