FANUC Series 0i-MODEL F Plus. CONNECTION MANUAL (FUNCTION) - page 160
B-64693EN-1/01
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7. FEEDRATE CONTROL/ACCELERATION AND
DECELERATION CONTROL
Go back to the measurement window and after setting S command and upper limit of motor speed, click
“Start”. Please set higher value than the maximum rigid tapping speed in S command box, if you can.
Please estimate the initial setting values from the measurement result. Please draw approximate line
through each setting point (P0-P4) to determine the acceleration character during acc./dec.. The above
data shows the character in acc./dec. with maximum torque. So available torque in rigid tapping will be
less than this character. Please set the initial value for optimum acc./dec. for rigid tapping as 70% or so of
approximate line.
Example)The maximum acceleration (parameter No.11421) can be seen at 0-1500min
-1
in
deceleration. It’s value is
]
sec
/
[
441
7
.
0
[sec]
60
sec]
/
)[min
min
1500
~
0
(
37800
2
1
1
rev
=
×
÷
−
−
The rest of acceleration settings should be set as the proportion of this value.
Example)Parameter No.11441 is calculated from acceleration value (27600min
-1
/sec) at 0-1500min
-1
in acceleration as follows:
[%]
73
100
sec]
/
[min
37800
/
sec]
/
[min
27600
1
1
=
×
−
−
Table 7.2.8 (c) Initial settings for optimum acc./dec. for rigid tapping
Gear
Maximum
acceleration
[rev/sec
2
]
Maximum
spindle speed
[min
-1
]
Acc.
setting
point
Spindle speed
(Ratio to max.
speed [%])
Acc. setting
(Ration to max. acc. [%])
Forward / Reverse
During acc.
During dec.
Gear 1
No.11421=441
No.5241=8000
P0
None(0%)
No.11441=73
No.11461=100
P1
No.11429=19
No.11442=73
No.11462=100
P2
No.11430=38
No.11443=46
No.11463=46
P3
No.11431=60
No.11444=36
No.11464=36
P4
None(100%)
No.11445=20
No.11465=20
[min
-1
]
Acceleration during dec.
Acceleration during acc.
Draw approximate
line for acceleration
character curve
[min
-1
/sec]
We regard this level as 100%.
Based on this level, please
calculate the acceleration
value in each point.
P0 P1 P2 P3 P4