Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
128
Motor type
JHQ4-
0800-
098
JHQ4-
0800-
066
JHQ4-
0800-
049
JHQ4-
1000-
098
JHQ4-
1000-
066
JHQ4-
1000-
049
Rated speed
N
n
RPM
3000
4500
6000
3000
4500
6000
Rated torque
M
n
Nm
7.5
6.2
4.8
8.8
7.7
6.0
Rated current
I
n
A
4.6
5.7
5.9
5.4
7.1
7.4
Holding torque
M
o
Nm
8.0
8.0
8.0
10.0
10.0
10.0
Continuous stall current
I
o
A
4.9
7.4
9.8
6.1
9.2
12.3
Max. torque
M
max
Nm
24
24
24
30
30
30
Max. current
I
max
A
23
35
46
29
43
58
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
2.5
1.10
0.63
1.90
0.90
0.48
Winding inductance
L
2ph
mH
21.8
9.7
5.5
17.4
7.8
4.4
Number of motor poles
P
mot
8
8
8
8
8
8
Idling speed
N
o
RPM
4200
6100
8100
4200
6100
8100
Max. torque at sea level
M
x
Nm
12.0
12.0
13.0
15.0
14.0
16.0
Thermal time constant
- Copper winding
T
ther_CU
s
59
59
59
59
59
59
Electrical time constant
T
el
ms
8.7
8.8
8.7
9.2
8.7
9.1
Mechanical time constant
T
mech
ms
0.57
0.56
0.57
0.53
0.56
0.54
Thermal time constant
T
th
min
30
30
30
35
35
35
Rotor inertia without brake
J
kg*cm
2
3.5
3.5
3.5
4.3
4.3
4.3
Weight without brake
m
kg
6.2
6.2
6.2
7.2
7.2
7.2
Axial load
F
A
N
60
60
60
62
62
62
Radial load
F
R
N
600
600
600
620
620
620
