HEIDENHAIN TNC 640 (34059x-04) Cycle programming - Manual (Page 268)

Cycles: Coordinate Transformations
11.6 ROTATION (Cycle 10, DIN/ISO: G73)
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TNC 640 | User's Manual Cycle Programming | 3/2014
11.6 ROTATION (Cycle 10, DIN/ISO: G73)
Effect
The TNC can rotate the coordinate system about the active datum
in the working plane within a program.
The ROTATION cycle becomes effective as soon as it is defined in
the program. It is also effective in the Positioning with MDI mode
of operation. The active rotation angle is shown in the additional
status display.
Reference axis for the rotation angle:
X/Y plane: X axis
Y/Z plane: Y axis
Z/X plane: Z axis
Resetting
Program the ROTATION cycle once again with a rotation angle of
0°.