Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
105
Motor type
JHQ23-
0240-
088
JHQ23-
0240-
059
JHQ23-
0240-
044
Rated speed
N
n
RPM
3000
4500
6000
Rated torque
M
n
Nm
2.2
2.1
2.0
Rated current
I
n
A
1.50
2.2
2.7
Holding torque
M
o
Nm
2.4
2.4
2.4
Continuous stall current
I
o
A
1.70
2.5
3.3
Max. torque
M
max
Nm
8.5
8.5
8.5
Max. current
I
max
A
7.3
10.6
14.7
Max. speed
N
max
RPM
9000
9000
9000
Back EMF constant
K
E
V/kRPM 88.0
58.6
44.0
Torque constant
K
T
Nm/A
1.45
0.97
0.73
Winding resistance
R
2ph
Ω
15.0
7.7
3.8
Winding inductance
L
2ph
mH
36.0
18.5
9.0
Number of motor poles
P
mot
8
8
8
Idling speed
N
o
RPM
4400
6700
9000
Max. torque at sea level
M
x
Nm
5.5
5.5
6.4
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
Electrical time constant
T
el
ms
2.4
2.4
2.4
Mechanical time constant
T
mech
ms
1.0
1.2
1.0
Thermal time constant
T
th
min
34
34
34
Rotor inertia without brake
J
kg*cm
2
0.82
0.82
0.82
Weight without brake
m
kg
3.6
3.6
3.6
Axial load
F
A
N
19.0
19.0
19.0
Radial load
F
R
N
185
185
185
