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6 – 218
Switching from spindle to axis:
7 7 7 7
Stop the spindle.
7 7 7 7
Switch to the gear range required for axis operation.
7 7 7 7
Switch the spindle motor to the axis.
7 7 7 7
With Module 9156, switch the axis from the open-loop to the servo-
controlled state.
7 7 7 7
With Module 9161 bit 15, release the current and speed controllers.
7 7 7 7
Release the axis clamping.
7 7 7 7
Close the position control loop of the axis by setting the corresponding bits
in W1040.
7 7 7 7
Begin axis operation.
Switching from axis to spindle:
7 7 7 7
Stop the axis.
7 7 7 7
Clamp the axis.
7 7 7 7
Open the position control loop of the axis by resetting the corresponding
bits in W1040.
7 7 7 7
With Module 9155, switch the feedback control for the axis off.
7 7 7 7
Switch the spindle motor from the axis back to the spindle.
7 7 7 7
With Module 9161 bit 15, release the current and speed controllers.
7 7 7 7
Shift back to the original gear range.
7 7 7 7
Begin spindle operation.
Note
Up to NC software 280 476-02, the bit for the spindle must always be
transferred to Modules 9161 and 9162. As of 280 476-03, the bit for the axis
or for the spindle can be given.
HEIDENHAIN Technical Manual TNC 426, TNC 430
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