Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
81
Motor type
JHQ2-
0075-
051
JHQ2-
0075-
035
JHQ2-
0075-
025
Rated speed
N
n
RPM
3000
4500
6000
Rated torque
M
n
Nm
0.73
0.71
0.70
Rated current
I
n
A
0.87
1.25
1.67
Holding torque
M
o
Nm
0.75
0.75
0.75
Continuous stall current
I
o
A
0.89
1.32
1.79
Max. torque
M
max
Nm
3.0
3.0
3.0
Max. current
I
max
A
4.2
6.3
8.4
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
26.9
16.8
8.1
Winding inductance
L
2ph
mH
44.0
25.5
12.9
Number of motor poles
P
mot
8
8
8
Idling speed
N
o
RPM
4100
6100
8300
Max. torque at sea level
M
x
Nm
1.3
1.2
1.5
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
Electrical time constant
T
el
ms
1.6
1.5
1.6
Mechanical time constant
T
mech
ms
1.2
1.7
1.5
Thermal time constant
T
th
min
36
36
36
Rotor inertia without brake
J
kg*cm
2
0.19
0.19
0.19
Weight without brake
m
kg
1.5
1.5
1.5
Axial load
F
A
N
13.0
13.0
13.0
Radial load
F
R
N
125
125
125
