Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
121
Motor type
JHQ3-
0350-
098
JHQ3-
0350-
066
JHQ3-
0350-
049
JHQ3-
0450-
098
JHQ3-
0450-
066
JHQ3-
0450-
049
Rated speed
N
n
RPM
3000
4500
6000
3000
4500
6000
Rated torque
M
n
Nm
3.1
2.6
2.0
3.9
3.2
2.3
Rated current
I
n
A
1.90
2.4
2.5
2.4
2.9
2.8
Holding torque
M
o
Nm
3.5
3.5
3.5
4.5
4.5
4.5
Continuous stall current
I
o
A
2.1
3.2
4.3
2.8
4.1
5.6
Max. torque
M
max
Nm
14.0
14.0
14.0
18.0
18.0
18.0
Max. current
I
max
A
10.0
15.0
20
12.7
19.0
25
Max. speed
N
max
RPM
9000
9000
9000
9000
9000
9000
Back EMF constant
K
E
V/kRPM 98.4
66.0
49.2
98.4
66.0
49.2
Torque constant
K
T
Nm/A
1.63
1.09
0.81
1.63
1.09
0.81
Winding resistance
R
2ph
Ω
9.5
4.4
2.7
7.0
3.2
1.90
Winding inductance
L
2ph
mH
54
23.4
13.5
43.2
17.8
10.8
Number of motor poles
P
mot
8
8
8
8
8
8
Idling speed
N
o
RPM
3750
5650
7600
3750
5650
7600
Max. torque at sea level
M
x
Nm
4.4
4.5
4.7
5.8
6.0
6.2
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
35
35
35
Electrical time constant
T
el
ms
5.7
5.3
5.0
6.2
5.6
5.7
Mechanical time constant
T
mech
ms
0.68
0.70
0.77
0.64
0.65
0.70
Thermal time constant
T
th
min
36
36
36
39
39
39
Rotor inertia without brake
J
kg*cm
2
1.1
1.1
1.1
1.4
1.4
1.4
Weight without brake
m
kg
5.0
5.0
5.0
5.8
5.8
5.8
Axial load
F
A
N
25
25
25
26
26
26
Radial load
F
R
N
245
245
245
255
255
255
