3 Specifications and Dimensional Drawings
3.3.2 SGMGH Servomotors (1500min
-1
) With Standard Backlash Gears
3-22
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.
1AAAB6
11 1500 70
1/11
615/80
(5440/80)
1550/80
(13700/80)
136 182
370
(327)
90.0
(79.7)
1AAAC6
1/21
1180/80
(10400/80)
2950/80
(26100/80)
71 95
376
(333)
95.0
(84.1)
1AAA76
1/29
1630/80
(14400/80)
4070/80
(36000/80)
51 69
519
(459)
238.0
(211)
(Cont’d)
Servomotor
Model
SGMGH-
Servomotor Gear Output
Moment of Inertia J
×10
-4
kg·m
2
(×10
-3
lb·in·s
2
)
Out-
put
W
Rated
Speed
min
-1
Rated
Torque
Nxm
(lbxin)
Gear
Ratio
Rated
Torque/
Efficiency
N·m/%
(lb·in/%)
Instanta-
neous
Peak
Torque/
Effective
N·m/%
(lb·in/%)
Rated
Speed
min
-1
Max.
Speed
min
-1
Motor +
Gears
Gears
Output torque
Efficiency
Efficiency
Output torque
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