Extension Of The Generic Transformation To 7 Axes - Siemens SINUMERIK 840D sl Function Manual

F2: Multi-axis transformations
1.7 Generic 5-axis transformation and variants
Note
The orientation vector of a tool can also be defined via system the variables $TC_DPV or
$TC_DPV3 - $TC_DPV5 in tool data - see /FB1/ Function Manual Basic Machine, Tool
Corrections (W1), "Sum and Set-up Corrections".
This option is expanded in order to specify the orientation normal vector, using system
variables $TC_DPVN3 - $TC_DPVN5. The meaning of the vector components is similar to
the meaning of the components of the tool orientation:
$TC_DPVN3 is the component in the direction of tool length L1,
$TC_DPVN4 is the component in the direction of tool length L2,
$TC_DPVN5 is the component in the direction of tool length L3,
The following machine data must have the value 3 in order to allow the new tool parameters
to be used:
MD18114 $MN_MM_ENABLE_TOOL_ORIENT (assign orientation to tool cutting)
The coordinate system is not rotated through the programming of a rotation of the tool with
AN3, BN3, CN3 or THETA.
Programming example
See Chapter "Example of a generic 6-axis transformation [Page 135]".
1.7.6

Extension of the generic transformation to 7 axes

Application
The generic 5-/6-axis transformation with transformation type 24 is extended by a 7th or 6th
axis, which rotates the workpiece. The work space of the transformation can be expanded in
this way.
Precondition
For generic 7-axis transformation there must be at least 6 or 7 axes.
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Function Manual, 09/2011, 6FC5397-2BP40-2BA0
Special Functions