7
Transformations 08.97
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
7-222
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA)
−
04.00 Edition
Three and four-axis transformations
The three-axis and four-axis transformations are
special types of five-axis transformation.
The user can configure two or three linear axes and
one rotary axis. The transformations operate on the
assumption that the rotary axis is positioned
orthogonally in the orientation plane.
The tool can only be orientated in the plane that is
perpendicular to the rotary axis. The transformation
supports machine types with moving tool and
moving workpiece.
Three-axis and four-axis transformations are configured
and programmed in the same way as five-axis
transformations.
Programming
TRAORI(n)
TRAFOOF
Explanation of the commands
TRAORI
Activates the first selected orientation transformation
TRAORI(n)
Activates the orientation transformation assigned with n
n
Number of transformation (n = 1 or 2), TRAORI(1) corresponds to TRAORI
TRAFOOF
Deactivate transformation
Additional notes
When the transformation has been activated, the
positional parameters (X, Y, Z) always refer to the tip
of the tool.
Changes in the positions of the rotary axes
participating in the transformation result in
compensation movements on the other machine
axes, such that the position of the tool tip remains
the same.
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