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13
Touch Probe Cycles: Automatic Measurement of Workpiece Misalignment
13.4 BASIC ROTATION over two studs (Cycle 402, DIN/ISO: G402)
Q307 Preset value for rotation angle (absolute):
If the misalignment is to be measured against a
straight line other than the reference axis, enter
the angle of this reference line. The TNC will
then calculate the difference between the value
measured and the angle of the reference line for the
basic rotation. Input range -360.000 to 360.000
Q305 Preset number in table?: Enter the preset
number in the table in which the TNC is to save the
determined basic rotation. If you enter Q305=0,
the TNC automatically places the determined
basic rotation in the ROT menu of the Manual
Operation mode. The parameter has no effect
if the misalignment is to be compensated by a
rotation of the rotary table (Q402=1). In this case
the misalignment is not saved as an angular value.
Input range 0 to 99999
Q402 Basic rotation/alignment (0/1): 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.
Q337 Set to zero after alignment?: 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.
314
HEIDENHAIN | TNC 320 | User's manual for cycle programming | 9/2016
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