AKM2G Instructions | 7 Technical Data
U
Parameter
N
Torque Constant (1)
Back EMF Constant (6)
Motor Constant (1)
Resistance (line-line) (6)
Inductance Q-Axis (line-line)
Inductance D-Axis (line-line)
Inductance Saturation Current
Maximum Demagnetization Current
U
Parameter
N
Inertia (incl. Resolver feedback)
(3)
Optional Brake Inertia
(additional)
Weight (8)
Static Friction (1)
Viscous Damping (1)
Thermal Time Constant
Thermal Resistance
Pole Pairs
Heatsink Size
1. Motor winding at temp. rise, δT = 100°C , at 40°C ambient
2. All data referenced to sinusoidal commutation
3. Add parking brake if applicable for total inertia
4. Motor with resolver feedback and standard heat sink
5. May be limited at some values of Vbus
6. Measured at 25°C
7. See de-rate chart for the de-rate of different motor options.
8. Brake motor adds 2.6 kg [5.7lbs]
9. Shaft seal increases Static Friction by 0.07 Nm [0.62 lb-in]
Brake options are listed in chapter "Technical Data Brakes" from
278
Kollmorgen | kdn.kollmorgen.com | August 2020
Tolerance Symbol
+/- 10%
Kt
+/- 10%
Ke
Nom
Km
+/- 10%
Rm
Lqll
Ldll
Lisat
Midpeak
Tolerance Symbol Units
Mechanical Data
Jm
kgcm
lb-in-s
Jm
kgcm
lb-in-s
W
Tf
Nm
lb-in
Kdv
Nm/krpm
in/krpm
TCT
mins.
Rthw-a
°C/W
PP
Technical Data
Units
AKM2G
51H
Nm/Arms
1.19
lb-in/Arms
10.5
Vrms/krpm 80.2
Nm/√W
0.637 0.638 0.640
lb-in/√W
5.63
Ω
2.31
mH
20.8
mH
TBD
Arms
65.4
Arms
TBD
AKM2G
51H
51I
2
2.52
2
2.23E-03
2
1.20
2
1.06E-03
kg
5.13
lb
11.3
0.0300
0.266
0.0125
lb-
0.111
25
0.585
5
12" x 12" x 1/2" Aluminum
Plate
Brakes.
51I
51K
1.08 0.674
9.57
5.96
73.1
45.6
5.65
5.66
1.91 0.740
17.2
6.70
TBD
TBD
71.8 115.1
TBD
TBD
51K