3.3 Ratings and Specifications of SGMGH (1500min
-1
)
3-23
3
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.
3.3.3 SGMGH Servomotors (1500min
-1
) With Low-backlash Gears
75AAB6
7.5
1500
48.0
(425)
1/11
422/80
(3735/80)
1039/80
(9196/80)
136 272
190
(168)
65.0
(57.5)
75AAC6
1/21
807/80
(7143/80)
1989/80
(17605/80)
71 142
204
(181)
79.0
(69.9)
75AA76
1/29
1117/80
(9887/80)
2754/80
(24376/80)
51 103
216
(191)
91.0
(80.5)
1AAAB6
11 70
1/11
615/80
(5443/80)
1548/80
(13700/80)
136 182
370
(327)
90.0
(79.7)
1AAAC6
1/21
1176/80
(10408/80)
2950/80
(26110/80)
71 95
376
(333)
95.0
(84.1)
1AAA76
1/29
1627/80
(14400/80)
4067/80
(35996/80)
51 69
519
(459)
238.0
(211)
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
• Time Rating: Continuous
• Vibration Class: 15 µm or below
• Insulation Resistance: 500 VDC, 10 MΩ min.
• Ambient Temperature: 0 to 40°C (32 to 104°F)
• Excitation: Permanent magnet
• Mounting: Flange-mounted (Omni-directional mounting)
• Gear Lubricating Method: Grease
• Gear Mechanism: Planetary gear mechanism
• Thermal Class: F
• Withstand Voltage:
200 V Servomotors: 1500 VAC for one minute
400 V Servomotors: 1800 VAC for one minute
• Enclosure: Totally enclosed, IP44 self-cooled
(or the equivalent)
• Ambient Humidity: 20% to 80% (no condensation)
• Drive Method: Direct drive
• Backlash: 0.05° (3 min) at the gear output shaft
• Gear Rotation Direction: Same direction as servomotor
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