8.1 Servomotors
8 -15
J
J
SGMGH Servomotors for 1000 r/min
Rating and Specifications for Standard Servomotors
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
Table 8.5
SGMGH Standard Servomotor Ratings and Specifications
Servomotor Model
SGMGH-
03A
j
B
06A
j
B
09A
j
B
12A
j
B
20A
j
B
30A
j
B
40A B
55A B
Rated Output
*
kW
0.3
0.6
0.9
1.2
2.0
3.0
4.0
5.5
Rated Torque
*
N·m
2.84
5.68
8.62
11.5
19.1
28.4
38.2
52.6
lb·in
25
50
76
102
169
252
338
466
Instantaneous
Peak Torque
*
N·m
7.17
14.1
19.3
28.0
44.0
63.7
107
136.9
Peak Torque
*
lb·in
63
125
171
248
390
564
947
1212
Rated Current
*
A (rms)
3.0
5.7
7.6
11.6
18.5
24.8
30
43.2
Instantaneous
Max. Current
*
A (rms)
7.3
13.9
16.6
28
42
56
84
110
Rated Speed
*
r/min
1000
Max. Speed
*
r/min
2000
Torque Constant
N·m/A (rms)
1.03
1.06
1.21
1.03
1.07
1.19
1.34
1.26
lb·in/A (rms)
9.12
9.38
10.7
9.12
9.47
10.5
11.9
11.2
Moment of Inertia
x10
--4
kg·m
2
7.24
13.9
20.5
31.7
46.0
67.5
89.0
125
x10
--3
lb·in·s
2
6.41
12.3
18.2
28.1
40.7
59.8
78.8
111
Rated Power Rate * kW/s
11.2
23.2
36.3
41.5
79.4
120
164
221
Rated Angular
Acceleration
*
rad/s
2
3930
4080
4210
3620
4150
4210
4290
4200
Inertia Time
Constant
ms
5.1
3.8
2.8
2.0
1.7
1.4
1.3
1.1
Inductive Time
Constant
ms
5.1
4.7
5.7
13.5
13.9
15.5
14.6
16.5
*
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.
400
´
400
´
20 (mm) (15.75
´
15.75
´
0.79 (in)): 03A
j
B to 09A
j
B Servomotors
550
´
550
´
30 (mm) (21.65
´
21.65
´
1.18 (in)): 12A
j
B to 55A
j
B Servomotors
8
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