HEIDENHAIN TNC 320 (77185x-01) Cycle programming - Manual (Page 308)

Touch Probe Cycles: Automatic Measurement of Workpiece
Misalignment
14.7 Compensating workpiece misalignment by rotating the C axis
(Cycle 405, DIN/ISO: G405)
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TNC 320 | User's Manual Cycle Programming | 3/2014
Set to zero after alignment Q337: definition of
whether the TNC should set the display of the C-
axis to zero, or write the angular misalignment in
column C of the datum table:
0 : Set the display of the C-axis to zero
>0 : Write the measured angular misalignment
with correct algebraic signs in the datum table.
Line number = value of Q337. If a C-axis shift is
registered in the datum table, the TNC adds the
measured angular misalignment.