Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
106
Motor type
JHQ23-
0300-
088
JHQ23-
0300-
059
JHQ23-
0300-
044
Rated speed
N
n
RPM
3000
4500
6000
Rated torque
M
n
Nm
2.7
2.6
2.4
Rated current
I
n
A
1.90
2.6
3.3
Holding torque
M
o
Nm
3.0
3.0
3.0
Continuous stall current
I
o
A
2.1
3.1
4.1
Max. torque
M
max
Nm
10.5
10.5
10.5
Max. current
I
max
A
9.1
13.6
18.0
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
11.5
5.3
2.9
Winding inductance
L
2ph
mH
28.0
13.4
7.0
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
7.1
7.5
8.2
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
Electrical time constant
T
el
ms
2.4
2.5
2.4
Mechanical time constant
T
mech
ms
0.96
0.99
0.96
Thermal time constant
T
th
min
34
34
34
Rotor inertia without brake
J
kg*cm
2
1.0
1.0
1.0
Weight without brake
m
kg
3.8
3.8
3.8
Axial load
F
A
N
20
20
20
Radial load
F
R
N
195
195
195
