3.3 Ratings and Specifications of SGMGH (1500 min
-1
)
3-19
3
Servomotor Specifications and Dimensional Drawings
Note: 1. For the shaft center allowable radial load, refer to the servomotor dimensional drawing.
2. Output torque and motor speed produce the following trends in efficiency. Values in the table are
at the rated motor speed.
3. 15-kW servomotors do not equipped with gears.
4. The no-load torque for a servomotor with gears is high immediately after the servomotor starts,
and it then decreases and becomes stable a few minutes later. This is a common phenomenon
caused by grease being circulated in the gear and not by a faulty gear.
55PAA6
5.5
1500
35.0
1/6 179/85 447/85 250 500 103 13.7
55PAB6
1/11 327/85 819/85 136 272 98.8 9.78
55PAC6
1/21 625/85 1560/85 71 142 157 68.0
55PA76
1/29 863/85 2160/85 51 103 155 66.0
75PAB6
7.5 48.0
1/11 449/85 1110/85 136 272 175 50.2
75PAC6
1/21 857/85 2120/85 71 142 193 68.0
75PA76
1/29 1180/85 2930/85 51 103 207 81.5
1APAB6
11 70
1/11 655/85 1640/85 136 182 360 78.8
1APAC6
1/21 1250/85 3120/85 71 95 367 85.8
1APA76
1/29 1730/85 4310/85 51 69 478 197.0
(Cont’d)
Servomotor
Model
SGMGH-
Servomotor Gear Output
Moment of Inertia J
×10
-4
kg·m
2
Out-
put
kW
Rated
Speed
min
-1
Rated
Torque
Nxm
Gear
Ratio
Rated
Torque/
Efficiency
N·m/%
Instanta-
neous
Peak
Torque/
Effective
N·m/%
Rated
Speed
min
-1
Max.
Speed
min
-1
Motor +
Gears
Gears
Output torque
Efficiency
Efficiency
Output torque
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