Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
93
Technical data of the brake
6.3.1
The technical data of the brake for motor type JHQ22 are listed below:
Technical specifications
Values
Holding torque
M
BR
Nm
0.4
Supply voltage
U
BR
V
DC 24 V (-10 % … +10 %)
Rated power
P
BR
W
8
Rotor inertia
J
BR
kg*cm
2
0.013
Weight
m
BR
kg
0.08
Specific technical data (DC link voltage DC 320 V)
6.3.2
Motor type
JHQ22-
0070-
057
JHQ22-
0070-
028
JHQ22-
0140-
057
JHQ22-
0140-
028
Rated speed
N
n
RPM
3000
6000
3000
6000
Rated torque
M
n
Nm
0.64
0.60
1.27
1.10
Rated current
I
n
A
0.68
1.28
1.35
2.4
Holding torque
M
o
Nm
0.70
0.70
1.40
1.40
Continuous stall current
I
o
A
0.75
1.49
1.49
3.0
Max. torque
M
max
Nm
2.0
2.0
4.8
4.8
Max. current
I
max
A
2.7
5.5
6.0
11.9
Max. speed
N
max
RPM
9000
9000
9000
9000
Back EMF constant
K
E
V/kRPM 56.6
28.3
56.6
28.3
Torque constant
K
T
Nm/A
0.94
0.47
0.94
0.47
Winding resistance
R
2ph
Ω
33.4
10.2
15.0
3.9
Winding inductance
L
2ph
mH
33.7
10.0
15.0
5.0
Number of motor poles
P
mot
10
10
10
10
Idling speed
N
o
RPM
3700
7250
3700
7250
Max. torque at sea level
M
x
Nm
0.90
1.2
2.2
2.7
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
35
Electrical time constant
T
el
ms
1.0
0.98
1.0
1.3
Mechanical time constant
T
mech
ms
1.4
1.8
1.2
1.3
Thermal time constant
T
th
min
18.0
18.0
18.0
18.0
Rotor inertia without brake
J
kg*cm
2
0.22
0.22
0.41
0.41
Weight without brake
m
kg
0.80
0.80
0.80
0.80
Axial load
F
A
N
7.0
7.0
7.0
7.0
Radial load
F
R
N
62
62
62
62
