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
Parameter
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 0.45 kg [1.0 lbs]
9. Shaft seal increases Static Friction by 0.020 Nm [0.21 lb-in]
Brake options are listed in chapter "Technical Data Brakes" from
AKM2G Instructions | 7 Technical Data
Tolerance Symbol
+/- 10%
Kt
+/- 10%
Ke
Nom
Km
+/- 10%
Rm
Lqll
Ldll
Lisat
Midpeak
Symbol
Units
AKM2G
Mechanical Data
2
Jm
kgcm
2
lb-in-s
2
Jm
kgcm
2
lb-in-s
W
kg
lb
Tf
Nm
lb-in
Kdv
Nm/krpm
lb-in/krpm
TCT
mins.
Rthw-a
°C/W
PP
Technical Data
Kollmorgen | kdn.kollmorgen.com | August 2020
Units
AKM2G
22C
22D
Nm/Arms 0.676 0.472 0.384
lb-in/Arms
5.99
4.18
Vrms/krpm 44.2
30.9
Nm/√W
0.144 0.144 0.145
lb-in/√W
1.28
1.28
Ω
14.7
7.11
mH
37.9
18.5
mH
TBD
TBD
Arms
13
19
Arms
TBD
TBD
22C
22D
0.155
1.37E-04
0.040
3.54E-05
1.4
3.1
0.011
0.10
0.0030
0.027
10.8
1.14
3
10" x 10" x 1/4" Aluminum Plate
Brakes.
22E
3.40
25.1
1.28
4.69
12.2
TBD
24
TBD
22E
183