HEIDENHAIN TNC 620 User Manual page 315

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BASIC ROTATION over two holes (Cycle 401, DIN/ISO: G401) 13.3

Compensation Q402: Define whether the TNC

should set the measured misalignment as basic

rotation or should align via rotating the rotary table:

0: Set basic rotation

1: Rotate the rotary table

If you specify rotating the rotary table, the TNC

does not save the measured misalignment, even if

you have defined a table row in parameter Q305.

Set to zero after alignment Q337: Define whether

the TNC should set the angle of the aligned rotary

axis to 0 in the preset table or in the datum table

after the alignment:

0: Do not set the angle of the rotary axis to 0 in the

table after alignment

1: Set the angle of the rotary axis to 0 in the table

after alignment. The TNC sets the display to 0 only if

you have defined Q402=1.

HEIDENHAIN | TNC 620 | User's manual for cycle programming | 9/2015