Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
99
Motor type
JHQ23-
0180-
051
JHQ23-
0180-
025
JHQ23-
0240-
051
JHQ23-
0240-
025
Rated speed
N
n
RPM
3000
6000
3000
6000
Rated torque
M
n
Nm
1.65
1.50
2.2
2.0
Rated current
I
n
A
1.10
2.1
1.50
2.7
Holding torque
M
o
Nm
1.80
1.80
2.4
2.4
Continuous stall current
I
o
A
2.1
4.3
2.8
5.8
Max. torque
M
max
Nm
6.3
6.3
8.5
8.5
Max. current
I
max
A
9.5
19.2
12.7
26
Max. speed
N
max
RPM
9000
9000
9000
9000
Back EMF constant
K
E
V/kRPM 51.3
25.1
51.3
25.1
Torque constant
K
T
Nm/A
0.85
0.42
0.85
0.42
Winding resistance
R
2ph
Ω
6.4
1.75
5.0
1.25
Winding inductance
L
2ph
mH
15.5
3.9
12.0
3.0
Number of motor poles
P
mot
8
8
8
8
Idling speed
N
o
RPM
4500
9000
4500
9000
Max. torque at sea level
M
x
Nm
4.2
5.0
5.6
6.6
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
35
Electrical time constant
T
el
ms
2.4
2.2
2.4
2.4
Mechanical time constant
T
mech
ms
0.97
1.1
0.98
1.0
Thermal time constant
T
th
min
34
34
34
34
Rotor inertia without brake
J
kg*cm
2
0.63
0.63
0.82
0.82
Weight without brake
m
kg
2.6
2.6
3.6
3.6
Axial load
F
A
N
18.0
18.0
19.0
19.0
Radial load
F
R
N
175
175
185
185
