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6.5.3 AKMA5 Mechanical Parameters
Parameters
Tol
Torque Constant ➀➁
±10%
Back EMF Constant ➅
±10%
Motor Constant ➀
Nom
Resistance (line-line) ➅
±10%
Inductance (line-line)
Inertia (includes
±10%
feedback) ➂
Optional Brake Inertia
±10%
(additional)
Weight ➇
Static Friction ➀
Viscous Damping ➀
Thermal Time Constant
Thermal Resistance
Pole Pairs
Heat Sink Size
Notes:
➀ Motor winding temperature rise, DT=100°C, at 40 °C ambient.
➁ All data referenced to sinusoidal commutation.
➂ Add holding brake if applicable for total inertia.
➃ Motor with 125 °C rated feedback and standard heat sink.
➄ May be limited at some values of Vbus.
➅ Measured at 25°C.
➆ Brake option reduces continuous torque rating by:
AKMA51 = 0.24 Nm AKMA52 = 0.42 Nm AKMA53 = 0.55 Nm AKMA54 = 0.69 Nm
➇ Brake option increases weight by 2.0 kg (4.4 lb)
Symbol
Units
E
Nm/A rms
1.71
K t
lb-in/A rms
15.2
K e
V rms /krpm
110.4
N-m/ÖW
0.47
K m
lb-in/ÖW
4.13
R m
ohm
8.98
L
mH
36.6
kg-cm
2
J m
lb-in-s
2
kg-cm
2
J m
lb-in-s
2
kg
W
lb
Nm
T f
lb-in
Nm/krpm
K dv
lb-in/krpm
TCT
minutes
R thw-a
°C/W
AKMA Installation Manual | 6 Technical Data
AKM51
G
H
K
L
0.99
0.80
0.52
0.41
8.7
7.1
4.6
3.7
63.6
51.3
33.5
26.6
0.48
0.46
0.48
0.48
4.21
4.05
4.29
4.22
2.87
1.97
0.75
0.49
12.1
7.9
3.4
2.1
3.40
3.0E-03
0.166
1.5E-04
6.4
14.1
0.152
1.35
0.03
0.29
20
0.68
5
12"x12"x0.5"
Aluminum Plate
Kollmorgen® | kdn.kollmorgen.com | June 2024
AKMA52
E
G
H
L
2.79
1.79
1.44
0.75
24.7
15.8
12.7
6.6
179.4
115.3
92.7
48.3
0.76
0.76
0.76
0.78
6.73
6.73
6.71
6.86
8.96
3.70
2.35
0.61
44.7
18.5
11.9
3.2
6.20
5.5E-03
0.166
1.5E-04
8.2
18.1
0.170
1.50
0.04
0.37
24
0.56
5
12"x12"x0.5"
Aluminum Plate
M
0.66
5.8
42.4
0.76
6.72
0.49
2.5
133
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