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Ratings and Characteristics
8.1.1 Ratings, Specifications, and Dimensional Drawings
8 -22
J
J
SGMDH Servomotors
Ratings and Specifications for Standard Motors (with Holding
Brakes)
S
Time Rating: Continuous
S
Thermal Class: F
S
Vibration Class: 15
m
m or below
S
Withstand Voltage: 1500 VAC for one minute
S
Insulation Resistance: 500 VDC,
10 M
W
min.
S
Enclosure: Totally enclosed, IP67 self cooled (ex-
cept for through sections of the shaft)
S
Ambient Temperature: 0 to 40
°
C
S
Ambient Humidity: 20% to 80% (with no con-
densation)
S
Excitation: Permanent magnet
S
Drive Method: Direct drive
S
Mounting: Flange method
S
Holding Brake: 90 VDC, static friction torque:
29.4 N
¡
m
Table 8.7
Ratings and Specifications for Standard SGMDH Servomotors
(with Holding Brakes)
Servomotor Model
SGMDH-
22A A B
32A A B
40A A B
Rated Output
*
kW
2.2
3.2
4.0
Rated Torque
*
N·m
10.5
15.3
19.1
lb·in
93
135
169
Instantaneous
Peak Torque
*
N·m
36.7
53.5
66.9
Peak Torque
*
lb·in
326
474
592
Rated Current
*
A (rms)
15.7
20.9
23.2
Instantaneous
Max. Current
*
A (rms)
54
73
77
Rated Speed
*
r/min
2000
Max. Speed
*
r/min
3000
Torque Constant
N·m/A (rms)
0.72
0.78
0.92
lb·in/A (rms)
6.4
6.9
8.1
Moment of Inertia
x10
--4
kg·m
2
56.6
74.2
91.8
x10
--3
lb·in·s
2
50.3
65.9
81.5
Rated Power Rate * kW/s
19.5
31.5
39.7
Rated Angular
Acceleration
*
rad/s
2
1850
2060
2080
Inertia Time
Constant
ms
3.7
2.4
2.2
Inductive Time
Constant
ms
16.2
18.2
17.8
*
These items and torque-motor speed characteristics quoted in combination with an SGDH Servopack are at an
armature winding temperature of 20
°
C.
Note
These characteristics are values with the following heat sinks attached for cooling.
650
´
650
´
35 (mm) (26
´
26
´
1.4 (in)): 22A
j
A
j
B to 40A
j
A
j
B Servomotors
8
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