Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
79
Specific technical data (DC link voltage DC 320 V)
6.2.4
Motor type
JHQ2-
0025-
051
JHQ2-
0025-
035
JHQ2-
0025-
025
Rated speed
N
n
RPM
3000
4500
6000
Rated torque
M
n
Nm
0.24
0.24
0.24
Rated current
I
n
A
0.29
0.42
0.57
Holding torque
M
o
Nm
0.25
0.25
0.25
Continuous stall current
I
o
A
0.30
0.44
0.60
Max. torque
M
max
Nm
1.0
1.0
1.0
Max. current
I
max
A
1.4
2.1
2.8
Max. speed
N
max
RPM
6600
6600
6600
Back EMF constant
K
E
V/kRPM 51.3
34.6
25.1
Torque constant
K
T
Nm/A
0.84
0.57
0.42
Winding resistance
R
2ph
Ω
158
69
36.7
Winding inductance
L
2ph
mH
165
67
42.9
Number of motor poles
P
mot
8
8
8
Idling speed
N
o
RPM
4200
6000
8300
Max. torque at sea level
M
x
Nm
0.30
0.36
0.40
Thermal time constant - Copper winding T
ther CU
s
35
35
35
Electrical time constant
T
el
ms
1.0
0.96
1.2
Mechanical time constant
T
mech
ms
0.69
2.6
2.5
Thermal time constant
T
th
min
31
31
31
Rotor inertia without brake
J
kg*cm
2
0.07
0.07
0.07
Weight without brake
m
kg
1.0
1.0
1.0
Axial load
F
A
N
11.0
11.0
11.0
Radial load
F
R
N
105
105
105
