3-phase servomotors. FKM
3.
3-
PHASE SERVOM
O
TORS. FKM
T
echni
cal data. T
or
qu
e-Spee
d curves
172
· 134 ·
Ref.2105
FXM|FKM
SERVOMOTOR
FKM21 models
T- 3/17
FKM21.
A.
.
0.
. Technical data.
Model
FKM21.
A.
.
0.
Terminology
Notation
Units
60
Stall torque
Mo
N·m
1.7
Rated torque
Mn
N·m
0.824
Stall peak torque
Mp
N·m
7
Rated speed
nN
1/min
6000
Stall current
Io
A
2.8
Peak current
Ip
A
11.0
Calculation power
Pcal
kW
1.1
Rated power
Pn
kW
0.5
Torque constant
Kt
N·m/A
0.6
Acceleration time
tac
ms
14.3
Inductance per fase (3-phase)
L
mH
7.7
Resistance per phase
R
2.55
Inertia (without brake)
J
kg·cm²
1.6
Inertia (with standard brake)
J*
kg·cm²
1.72
Inertia (with extra-torque brake)
J**
kg·cm²
-
Mass (without brake)
P
kg
4.20
Mass (with standard brake)
P*
kg
4.48
Mass (with extra-torque brake)
P**
kg
-
T- 3/18
FKM21.
A.
.
0.
. AXD DRIVES selection.
Drive
peak torque
in N·m
AXD 1.08
AXD 1.15
Mp Mp/Mo Mp Mp/Mo
FKM21.60A
4.8
2.8
7.0
4.1
Note.
To select a QC-DR, ACSD-
H or MCS-
H drive with any servomotor of this series, refer to
the manual of the corresponding drive.
F- 3/35
FKM21.
A.
.
0.
. Torque-speed graphs.
0
1000
2000
3000
4000
5000
6000
7000
8000
9000 10000
0
1
2
3
4
5
6
N·m
7
1/min
FKM21.60A
400V
400V-15%
