Kollmorgen AKM 2G Manuel D'installation page 316

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 9.1 kg [20lbs]
9. Shaft seal increases Static Friction by 0.25 Nm [2.2 lb-in]
10. Rated Speed for motors equipped with a brake are limited to 3500 RPM.
Brake options are listed in chapter "Technical Data Brakes" from
316 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
71L
Nm/Arms 1.90
lb-in/Arms 16.9
Vrms/krpm 127
Nm/√W 1.69
lb-in/√W 15.0
Ω 0.845 0.407 0.274
mH 17.6
mH TBD
Arms 86
Arms TBD
AKM2G
71L 71N
2
25.9
2
2.29E-02
2
12.3
2
1.09E-02
kg 16.8
lb 37.0
0.135
1.19
0.0865
lb- 0.766
38
0.360
4
18" x 18" x 1/2" Aluminum
Plate
Brakes.
71N 71P
1.32 1.10
11.7 9.7
88.3 73.3
1.69 1.71
15.0 15.2
8.5 5.8
TBD TBD
124 149
TBD TBD
71P