
B-65150E/04 4. SERVO FUNCTION DETAILS
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Function
Combined
use with FAD
function
Cautions for combined use
Rigid tapping
Allowed
The rigid tapping position gain
must be changed (as described
earlier).
Advanced preview
control rigid tapping
Not allowed
Disable the FAD function.
Cs axis contour control
Not allowed
Disable the FAD function.
Hob function
Not allowed
Disable the FAD function.
EGB function
Not allowed
Disable the FAD function.
Flexible
synchronization
(between servo axes)
Allowed
The same FAD time constant
must be used for both axes to be
synchronized with each other.
Flexible
synchronization
(between servo axis
and Cs axis)
Not allowed
Disable the FAD function.
(7) Other specifications to note regarding the fine acceleration/deceleration
function
• Advanced preview control and fine acceleration/deceleration can
be used together. (The time constants before and after advanced
preview interpolation, and the fine acceleration/deceleration time
constant are effective.)
• If FAD is set, then the G05 P10000 command is issued with
HPCC, FAD is disabled.
• When the G05 P10000 command is issued with Series 9066, the
FAD function must be disabled.
• Using the FAD function increases the positional deviation as
follows:
Feedrate (mm/min)
= × + 1
60 × 1000 × Detection unit (mm) 2
NOTE
The following limitations are imposed on the combined
use of synchronization with the spindle motor and fine
acceleration/deceleration.
(Disable the fine acceleration/deceleration function if
the combine use is impossible.)
Deviation
incerase
(pulses)
FAD time
constant (ms)