
5.FUNCTION DESCRIPTIONS FANUC AC SPINDLE MOTOR αi series B-65280EN/05
- 250 -
NOTE
1 To detect the one-rotation signal securely, fix the
direction (bits 3 and 2 of parameter No. 4003) in
which the spindle rotates during spindle orientation
to one direction.
2 Specify the type (bits 3 and 2 of parameter No.
4004) of an external one-rotation signal (proximity
switch).
3 To detect the one-rotation signal securely, set the
spindle orientation speed (parameter No. 4038) to a
value between 50 and 100 min
-1
according to the
specification of the external one-rotation signal
(proximity switch).
4 A sequence for detecting the one-rotation signal is
started after the orientation speed has been
reached.
5 Specify the denominator/numerator parameters
(Nos. 4171 to 4174) of an arbitrary gear ratio
between the motor sensor and spindle.
(7)System in which the turret and the motor with a built-in MZi sensor are linked
with gears and a clutch (for turret indexing)
Link with
ears and a clutch
Turret (tool post)
Spindle motor with built-in MZ
i
sensor
Spindle
JYA2
SPM
TYPE A