Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
77
Technical data of the brake
6.2.1
The technical data of the brake for motor type JHQ2 are listed below:
Technical specifications
Values
Holding torque
M
BR
Nm
2.2
Supply voltage
U
BR
V
DC 24 V (-10 % … +10 %)
Rated power
P
BR
W
8.2
Rotor inertia
J
BR
kg*cm
2
0.12
Weight
m
BR
kg
0.5
Specific technical data (DC link voltage DC 24 V/DC 48 V)
6.2.2
Motor type
JHQ2-
0025-
007
JHQ2-
0050-
007
JHQ2-
0075-
007
JHQ2-
0100-
007
Rated speed
N
n
RPM
3000
3000
3000
3000
Rated torque
M
n
Nm
0.24
0.49
0.73
0.97
Rated current
I
n
A
1.98
4.0
6.0
8.0
Holding torque
M
o
Nm
0.25
0.50
0.75
1.00
Continuous stall current
I
o
A
2.1
4.1
6.2
8.3
Max. torque
M
max
Nm
1.0
2.0
3.0
4.0
Max. current
I
max
A
9.7
19.4
29
39
Max. speed
N
max
RPM
6600
6600
6600
6600
Back EMF constant
K
E
V/kRPM 7.3
7.3
7.3
7.3
Torque constant
K
T
Nm/A
0.12
0.12
0.12
0.12
Winding resistance
R
2ph
Ω
3.5
1.24
0.70
0.52
Winding inductance
L
2ph
mH
3.3
1.70
1.10
0.78
Number of motor poles
P
mot
8
8
8
8
Idling speed
N
o
RPM
4000
4000
4200
4200
Max. torque at sea level
M
x
Nm
0.30
0.75
1.3
1.7
Thermal time constant
- Copper winding
T
ther_CU
s
16
16
16
16
Electrical time constant
T
el
ms
0.95
1.4
1.6
1.5
Mechanical time constant
T
mech
ms
2.9
1.9
1.6
1.5
Thermal time constant
T
th
min
31
34
36
38
Rotor inertia without brake
J
kg*cm
2
0.07
0.13
0.19
0.25
Weight without brake
m
kg
1.0
1.2
1.5
1.7
Axial load
F
A
N
11.0
12.0
13.0
14.0
Radial load
F
R
N
105
115
125
135
