33.9 Technical Data AKM7 with fan
Data
Symbol
[Unit]
AKM
72K 72M 72P 73M 73P 74L 74P
Electrical data
Standstill torque* M
0
[Nm]** 38.6 39.0 38.2 54.6 52.2 68.9 68.3
Standstill current I
0rms
[A]** 12.1 16.9 24.3 17.7 24.5 16.8 24.1
max. Mains voltage U
N
[VAC] 480
U
N
= 230V
Rated speed n
n
[min
-1
] — — 1800 — 1300 — —
Rated torque* M
n
[Nm] — — 30.9 — 45.1 — —
Rated power
P
n
[kW]
— — 5.83 — 6.14 — —
U
N
= 400V
Rated speed n
n
[min
-1
] 1500 2000 3000 1500 2400 1200 1800
Rated torque* M
n
[Nm] 32.6 30.7 26.1 42.5 37.1 56.6 51.5
Rated power
P
n
[kW]
5.13 6.43 8.21 6.67 9.31 7.11 9.70
U
N
= 480V
Rated speed n
n
[min
-1
] 1800 2500 3500 1800 2800 1400 2000
Rated torque* M
n
[Nm] 31.2 28.7 23.7 40.3 34.2 54.0 46.7
Rated power
P
n
[kW]
5.88 7.52 8.67 7.60 10.02 7.91 9.77
Peak current I
0max
[A] 27.9 39 56.1 40.8 58.6 38.7 55.5
Peak torque M
0max
[Nm] 79.4 79.8 78.5 112 111 143 142
Torque constant K
Trms
[Nm/A] 3.23 2.33 1.58 3.10 2.13 4.14 2.84
Voltage constant K
Erms
[mVmin] 208 150 102 200 137 266 183
Winding resistance Ph-Ph
R
25
[W]
1.36 0.69 0.35 0.76 0.38 0.93 0.47
Winding inductance Ph-Ph L [mH] 20.7 10.8 5.0 12.4 5.9 16.4 7.7
Mechanical data
Rotor moment of inertia J [kgcm²] 65 92 120
Pole number 10 10 10
Static friction torque M
R
[Nm] 0.16 0.24 0.33
Thermal time constant t
TH
[min] 46 53 60
Weight with mounted fan kit G [kg] 22.2 29.2 36.1
Radial load permitted F
R
[N] see p.126
Axial load permitted F
A
[N] see p.126
Power cable acc. EN60204-1:2006 Table 6, Column B2
Minimum cross section mm² 1.5 1.5 4 2.5 4 1.5 4
* Rated data with reference flange Aluminium 457mm * 457mm * 12.7mm
** Derating in case of built-in Encoder 7%, with built-in Encoder and Brake 13%
Brake data
Holding torque @ 120°C M
BR
[Nm] 53 Release delay time t
BRH
[ms] 170
Operating voltage U
BR
[VDC] 24 ± 10 % Engage delay time t
BRL
[ms] 70
Electrical power P
BR
[W] 35.6 Weight of the brake G
BR
[kg] 2.1
Moment of inertia J
BR
[kgcm²] 1.64 Typical backlash [ °mech.] 0.2
Fan data
Operating voltage U
FAN
[VDC] 24 ± 10 % Operating current I
FAN
[mA] 270
Electrical power P
FAN
[W] 6.5 Weight of the FAN kit G
FAN
[kg] 2.52
Cable outer diameter [mm] 4 to 6 Clamping range terminals [mm²] 0.33 to 4
A 10mm cable bushing is built into the fan housing. Connection cable is not part of delivery.
Servomotors AKM General - 115
Kollmorgen 04/2013 Technical Data
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