© Siemens AG All rights reserved. SINUMERIK, Manual, 5-axis machining
Key functions for 5-axis machining
3.5
55
LEAD/TILT
Explanation of the commands
LEAD and TILT
LEAD Lead angle for programming tool orientation.
Angle relative to the surface normal vector in the plane that arises
from the path tangent and the surface normal vector.
TILT Tilt angle for programming tool orientation.
The TILT angle defines the rotation of the lead angle around the
surface normal vector.
Programming the tool orientation with LEAD
and TILT in conjunction with ORIPATH.
The resulting tool orientation is determined
from:
Path tangent
Surface normal vector
Lead angle LEAD
Tilt angle TILT at end of block
LEAD defines the angle between the surface
normal and the new tool orientation, in the
direction of the path tangent. If the tool is also
rotated around the surface normal from this
position, then this corresponds to the TILT
angle.
LEAD and TILT are also programmed if the
tool is to adopt a fixed setting angle in relation
to the machining direction, e.g. so that
machining is not performed at the cutter center
at cutting rate = 0.
N10 TRAORI
N15 G54
N20 ORIWKS
N30 ORIPATH
N40 CUT3DF
N50 START: ROT X=R20
N60 G0 X=260 Y0 A3=1 B3=0 C3=0
N70 G1 Z0 LEAD=5 TILT=10
N80 G41 X240.000 Y0.000 A5=1 B5=0.000
C5=0.000
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