Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
147
Technical data of the brake
6.10.1
The technical data of the brake of motor type JHQ51 with sizes 5.51 (Mo = 29 Nm) and 51 (Mo =
38 Nm) are as follows:
Technical specifications
Values
Holding torque
M
BR
Nm
24
Supply voltage
U
BR
V
DC 24 V (-10 % … +10 %)
Rated power
P
BR
W
24
Rotor inertia
J
BR
kg*cm
2
1.66
Weight
m
BR
kg
2
Specific technical data (DC link voltage DC 560 V)
6.10.2
Motor type
JHQ51-
2900-
098
JHQ51-
2900-
066
JHQ51-
3800-
098
JHQ51-
3800-
066
Rated speed
N
n
RPM
3000
4500
3000
4500
Rated torque
M
n
Nm
20.3
15.3
24.1
16.8
Rated current
I
n
A
12.5
14.1
14.8
15.5
Holding torque
M
o
Nm
29.0
29.0
38.0
38.0
Continuous stall current
I
o
A
17.8
26.7
23.3
35.0
Max. torque
M
max
Nm
110
110
151
151
Max. current
I
max
A
79
117
108
161
Max. speed
N
max
RPM
9000
9000
9000
9000
Back EMF constant
K
E
V/kRPM 98.4
66.0
98.4
66.0
Torque constant
K
T
Nm/A
1.63
1.09
1.63
1.09
Winding resistance
R
2ph
Ω
0.34
0.16
0.26
0.11
Winding inductance
L
2ph
mH
4.3
2.0
3.2
1.40
Number of motor poles
P
mot
8
8
8
8
Idling speed
N
o
RPM
3900
6000
3900
6000
Max. torque at sea level
M
x
Nm
60
60
84
84
Thermal time constant
- Copper winding
T
ther_CU
s
97
97
97
97
Electrical time constant
T
el
ms
12.6
12.5
12.3
12.7
Mechanical time constant
T
mech
ms
0.46
0.48
0.48
0.45
Thermal time constant
T
th
min
51
51
55
55
Rotor inertia without brake
J
kg*cm
2
21
21
28
28
Weight without brake
m
kg
23
23
29
29
Axial load
F
A
N
76
76
80
80
Radial load
F
R
N
760
760
800
800
