Orientation Compression; 5-Axis Transformation; Kinematic Transformation - Siemens SINUMERIK 840DE sl Function Manual

See also
Cartesian PTP travel (Page 97)
3.1.12

Orientation compression

During the execution of NC programs containing blocks with relatively short traverse paths, the
interpolator clock cycle can lead to a reduction in tool path velocity and a corresponding
increase in machining time.
COMPON, COMPCURV, COMPCAD
You can run NC programs with short traverse paths without reducing the tool path velocity by
activating "compressors" COMPON, COMPCURV or COMPCAD. The compressor also
smoothes the programmed movements and consequently tool path velocity.
Programming of direction vectors
Programming of tool orientation that is independent of the kinematics, can be achieved through
programming of direction vectors. NC programs with such direction vectors can be executed
with compressors COMPON, COMPCURV and COMPCAD.
3.2

5-axis transformation

3.2.1

Kinematic transformation

Task of orientation transformation
The task of orientation transformation is to compensate movements of the tool nose, which
result from changes in orientation, by means of appropriate compensating movements of the
geometry axes. The orientation movement is therefore decoupled from the movement on the
workpiece contour. Various machine kinematics each require their own orientation
transformation.
Fields of application
The "5-axis transformation" machining package is provided for machine tools, which have two
additional rotary axes (rotation about the linear axes) in addition to three linear axes X, Y and
Z: This package thus allows an axially symmetrical tool (milling cutter, laser beam) to be
oriented in any desired relation to the workpiece in every point of the machining space.
The workpiece is always programmed in the rectangular workpiece coordinate system; any
programmed or set frames rotate and shift this system in relation to the basic system. The
kinematic transformation then converts this information into motion commands of the real
machine axes.
Transformations
Function Manual, 06/2019, A5E47435470B AA
F2: Multi-axis transformations
3.2 5-axis transformation
145