Restoring The Spindle Orientation - HEIDENHAIN iTNC 530 Service Manual

18.1.9 Restoring the spindle orientation

If you have replaced an angle encoder used for oriented spindle stop (e.g. for tool change), you
must now readjust the spindle preset.
Further information --> See "Reference Run" on page 19 – 317.
18 – 292
DANGER
Consult the machine operator and observe the machine manufacturers's safety precautions
(setup mode, etc.)!
Set MP 3430 to zero.
Run the spindle at low speed.
Orient the spindle to zero position.
Caution
It is possible that the machine manufacturer has defined several spindle positions. Orient to
the spindle zero position which refers to MP 3430!
If necessary, contact the machine manufacturer!
Observe the position that is established.
Stop spindle orientation (M5); the spindle must be free to rotate.
DANGER
Press the EMERGENCY STOP key.
It must be ensured that the spindle cannot be switched on!
Set the display to REF --> Now you can read the deviation of the reference mark from the
desired position!
Rotate the spindle to correct position (use e.g. dial indicator, touch probe, orientation point,
etc.)
Subtract the displayed value from 360° and enter the result in MP 3430 (spindle preset).
Check, whether spindle orientation is correct!
Set the display to ACTL.
HEIDENHAIN Service Manual iTNC 530