YASKAWA SGDM Series - Page 101

3 Specifications and Dimensional Drawings
3.4.3 SGMGH Servomotors (1000 min
-1
) With Low-backlash Gears
3-30
2. 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.
3.4.3 SGMGH Servomotors (1000 min
-1
) With Low-backlash Gears
Output torque
Efficiency
Efficiency
Output torque
• Time Rating: Continuous • Thermal Class: F
• Vibration Class: 15 µm or below • Withstand Voltage: 1500 VAC for one minute
• Insulation Resistance: 500 VDC, 10 MΩ min. • Enclosure: Totally enclosed, IP44 self-cooled (or the equivalent)
• Ambient Temperature: 0 to 40°C (32 to 104°F) • Ambient Humidity: 20% to 80% (no condensation)
• Excitation: Permanent magnet • Drive Method: Direct drive
• Mounting: Flange method (can be mounted in any direction)
• Gear Mechanism: Planetary gear mechanism
• Gear Lubricating Method: Grease
• Backlash: 0.05° (3 min) at the gear output shaft
• Gear Rotation Direction: Same direction as servomotor
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
03ABL14
0.3
1000
2.84
(25)
1/5
11.4/80
(101/80)
28.7/80
(254/80)
200 400
8.50
(7.52)
1.26
(1.12)
03ABL24
1/9
20.4/80
(181/80)
51.6/80
(457/80)
111 222
8.18
(7.24)
0.96
(0.85)
03ABL54
1/20
45.4/80
(402/80)
115/80
(1020/80)
50 100
8.64
(7.65)
1.40
(1.24)
03ABL74
1/29
65.9/80
(583/80)
166/80
(1470/80)
34 68
10.0
(8.85)
2.76
(2.44)
03ABL84
1/45
102/80
(903/80)
258/80
(2280/80)
22 44
9.05
(8.01)
1.81
(1.60)
06ABL14
0.6
5.68
(50)
1/5
22.7/80
(201/80)
56.4/80
(499/80)
200 400
15.2
(13.5)
1.30
(1.15)
06ABL24
1/9
40.9/80
(362/80)
82.5/80
(730/80)
111 222
14.8
(13.1)
0.90
(0.797)
06ABL54
1/20
90.9/80
(805/80)
226/80
(2000/80)
50 100
18.6
(16.5)
4.70
(4.16)
06ABL74
1/29
132/80
(1170/80)
327/80
(2890/80)
34 68
16.7
(14.8)
2.80
(2.48)
06ABL84
1/45
204/80
(1810/80)
508/80
(4500/80)
22 44
18.4
(16.3)
4.50
(3.98)
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