Kollmorgen AKM 2G Manuel D'installation page 174

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
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
174 Kollmorgen | kdn.kollmorgen.com | August 2020
Tolerance Symbol
+/- 10% Kt Nm/Arms
lb-in/Arms
+/- 10% Ke Vrms/krpm
Nom Km Nm/√W
lb-in/√W
+/- 10% Rm
Lqll
Ldll
Lisat
Midpeak
Symbol Units
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
Units AKM2G
21D 21E
0.296 0.238
2.62 2.10
19.5 15.6
0.0895 0.0902 0.0911
0.792 0.798
Ω 7.30 4.63
mH 16.3 10.5
mH TBD TBD
Arms 15 19
Arms TBD TBD
AKM2G
21D 21E
0.093
8.23E-05
0.040
3.54E-05
1.1
2.4
0.006
0.05
0.0015
0.013
9.6
1.33
3
10" x 10" x 1/4" Aluminum Plate
Brakes.
21G
0.157
1.39
10.3
0.807
1.97
4.55
TBD
29
TBD
21G