
3.SPECIFICATIONS AND
CHARACTERISTICS
B–65142E/04
FANUC AC SERVO MOTOR α series
120
Specification : A06B–0157–B0jj
Specification : A06B–0158–B0jj
Speed – torque characteristics
Speed (min
–1
)
”ON” time (min.)
Over load duty
Torque
(Nm)
Duty
(time %)
Intermittent operating
Continuous operating
Data sheet
Parameter Symbol Value Unit
Rating rotation speed Nmax 2000 2000 (with fan) min
-1
Rated torque at stall (*) Ts
38
390
56
570
Nm
kgfcm
Rotor inertia Jm
0.022
0.23
0.022
0.23
kgm
2
kgfcms
2
Continuous RMS current at stall
(*)
Is 27.0 40.1 A (rms)
Torque constant (*) Kt
1.40
14.3
1.40
14.3
Nm/A (rms)
kgfcm/A (rms)
Back EMF constant (1–phase)
(*)
(*)
Ke
Kv
49
0.47
49
0.47
V (rms)/1000min
-1
V (rms)·sec/rad
Armature resistance (1–phase)
(*)
Ra 0.080 0.080 Ω
Mechanical time constant (*) tm 0.003 0.003 s
Thermal time constant tt 75 30 min
Static friction Tf
1.8
18
1.8
18
Nm
kgfcm
Mass 52 55 kg
(*)The values are the standard values at 20°C and the tolerance is "10%.
The speed–torque characteristics very depending on the type of software, parameter
setting, and input voltage of the digital servo motor. (The above figures show average
values.) These values may be changed without prior notice.
Model α40/2000
Model α40/2000(with fan)