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PAGE
EDT.
DATE
DESIGN
DESCRIPTION
TITLE
No.
FANUC Series 16i/18i/21i/20i/160i/180i/210i-MODEL A
CONNECTION MANUAL (FUNCTION)
Concerning the addition of
Optimum Torque acceleration/deceleration
B-63003EN-1/02-10
01 01.09.06 Newl
Re
istered
- Example of setting acceleration pattern data
In this example, the machine is equipped with the
α
M30/4000
i
.
Motor speed at rapid traverse is 3000 (min
-1
).
0
20
40
60
80
100
120
0 1000 2000 3000 4000
Speed(min
-1
)
Torque(N
Fig. (d) Speed-torque characteristics of model
M30/4000i
Specifications of the motor model
•
M30/4000
i
Rotor inertia : 0.0099 (Kgm
2
)
Maximum torque :100 (Nm) Speed: 0 to 2000
(min
-1
)
Torque at rapid traverse :79 (Nm) Speed: 3000
(min
-1
)
Minimum torque :58 (Nm) Speed: 4000
(min
-1
)
It assumes that 10 (Nm) is needed for the friction torque, so that the torque for
acceleration/deceleration is shown as the following figure.
Because the friction torque is different on each machine, it is necessary to observe the actual
torque output on the machine.
Maximum torque :90(=100-10) (Nm) Speed: 0 to 2000
(min
-1
)
Torque at rapid traverse :69(=79-10) (Nm) Speed: 3000
(min
-1
)
Minimum torque :48(=58-10) (Nm) Speed: 4000
(min
-1
)
0
20
40
60
80
100
0 1000 2000 3000 4000
Speed(min
-1
)
Torque(N
Fig. (e) Torque for Acc/Dec with consideration of friction