
B-65280EN/05 FANUC BUILT-IN SPINDLE MOTOR Bis series 5.FUNCTION DESCRIPTIONS
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(6) Tuning the percentage limit to an acceleration during deceleration
(parameter No. 4064)
(a) Deciding whether or not to tune the percentage limit to an acceleration during
deceleration
Start spindle orientation when the spindle is running at the
base speed ω
B
. (See the figure below.) If the torque command
is saturated in sequence intervals C or D, it is necessary to
tune the percentage limit to an acceleration during
deceleration.
If the torque command is not saturated, stop tuning the
spindle orientation.
Case in which parameter tuning is unnecessary
Not saturated
Case in which parameter tuning is necessary
Spindle orientation sequence
(data No. 298)
Torque command
(data No. 90)
B
C
D
E
Saturated
25%