Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
125
Technical data of the brake
6.7.1
The technical data of the brake for motor type JHQ4 are listed below:
Technical specifications
Values
Holding torque
M
BR
Nm
7.5
Supply voltage
U
BR
V
DC 24 V (-10 % … +10 %)
Rated power
P
BR
W
18
Rotor inertia
J
BR
kg*cm
2
0.54
Weight
m
BR
kg
0.9
Specific technical data (DC link voltage DC 320 V)
6.7.2
Motor type
JHQ4-
0400-
057
JHQ4-
0600-
057
JHQ4-
0800-
057
JHQ4-
1000-
057
Rated speed
N
n
RPM
3000
3000
3000
3000
Rated torque
M
n
Nm
3.5
5.3
7.5
8.8
Rated current
I
n
A
3.7
5.6
8.0
9.4
Holding torque
M
o
Nm
4.0
6.0
8.0
10.0
Continuous stall current
I
o
A
4.3
6.4
8.6
10.7
Max. torque
M
max
Nm
12.0
18.0
24
30
Max. current
I
max
A
20
30
40
50
Max. speed
N
max
RPM
9000
9000
9000
9000
Back EMF constant
K
E
V/kRPM 56.5
56.5
56.5
56.5
Torque constant
K
T
Nm/A
0.94
0.94
0.94
0.94
Winding resistance
R
2ph
Ω
1.78
1.16
0.83
0.63
Winding inductance
L
2ph
mH
12.2
8.0
7.3
5.8
Number of motor poles
P
mot
8
8
8
8
Idling speed
N
o
RPM
4100
4100
4100
4100
Max. torque at sea level
M
x
Nm
6.8
10.0
12.0
15.0
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
35
Electrical time constant
T
el
ms
6.9
6.9
8.8
9.2
Mechanical time constant
T
mech
ms
0.66
0.61
0.57
0.53
Thermal time constant
T
th
min
25
30
30
35
Rotor inertia without brake
J
kg*cm
2
1.9
2.7
3.5
4.3
Weight without brake
m
kg
4.7
5.3
6.2
7.2
Axial load
F
A
N
56
58
60
62
Radial load
F
R
N
560
580
600
620
