Yaskawa SGDB User Manual
Page 273

5.2 SGM Servomotor
263
Servomotor
Model
SGMS-
Load Inertia
at the Motor
Shaft
(Servomotor
+ Gear)
×
10
−4
kg·m
2
(×
10
−3
lb
·
in
·
s
2
)
Gear
Inertia
×10
−4
kg·m
2
(×10
−3
lb·in·s
2
)
Gear
Servomotor
Servomotor
Model
SGMS-
Load Inertia
at the Motor
Shaft
(Servomotor
+ Gear)
×
10
−4
kg·m
2
(×
10
−3
lb
·
in
·
s
2
)
Gear
Inertia
×10
−4
kg·m
2
(×10
−3
lb·in·s
2
)
Max.
Speed
min
−1
Rated
Speed
min
−1
Instanta-
neous
Peak
Torque/
Efficiency
N·m/%
(lb·in/%)
Rated
Torque/
Efficiency
N·m/%
(lb·in/%)
Gear
Ratio
Rated
Torque
N·m
(lb·in)
Rated
Speed
min
−1
Output
kW
-20AjAL1K
2.0
3000
6.36
(56.4)
1/5
25.6/80
(227/80)
76.4/80
(676/80)
600
800
3.44 (3.04)
6.63 (5.87)
-20AjAL2K
(
)
1/9
46/80
(407/80)
138/80
(1221/80)
333
444
4.77 (4.22)
7.96 (7.05)
-20AjAL5K
1/20
102/80
(903/80)
306/80
(2708/80)
150
200
6.79 (6.01)
9.98 (8.83)
-20AjAL7K
1/29
148/80
(1310/80)
443/80
(3921/80)
103
138
10.3 (9.12)
13.5 (11.9)
-20AjAL8K
1/45
230/80
(2036/80)
688/80
(6089/80)
66
89
6.58 (5.82)
9.77 (8.65)
-30AjAL1K
3.0
9.8 (87)
1/5
39.2/80
(347/80)
118/80
(1044/80)
600
800
10.2 (9.03)
17.2 (15.2)
-30AjAL2K
1/9
70.5/80
(624/80)
212/80
(1876/80)
333
444
7.80 (6.90)
14.8 (13.1)
-30AjAL5K
1/20
157/80
(1390/80)
470/80
(4160/80)
150
200
20.2 (17.9)
27.2 (24.1)
-30AjAL7K
1/29
227/80
(2009/80)
682/80
(6036/80)
103
138
13.4 (11.9)
20.4 (18.1)
-30AjAL8K
1/45
353/80
(3124/80)
1058/80
(9364/80)
66
89
9.70 (8.59)
16.7 (14.8)
-40AjAL1K
4.0
12.6
(112)
1/5
50.4/80
(446/80)
151/80
(1337/80)
600
800
10.2 (9.03)
19.8 (17.5)
-40AjAL2K
(
)
1/9
90.7/80
(803/80)
272/80
(2407/80)
333
444
12.5 (11.1)
22.1 (19.6)
-40AjAL5K
1/20
202/80
(1788/80)
605/80
(5355/80)
150
200
20.2 (17.9)
29.8 (26.4)
-40AjAL7K
1/29
292/80
(2584/80)
877/80
(7762/80)
103
138
13.4 (11.9)
23.0 (20.4)
-50AjAL1K
5.0
15.8
(140)
1/5
63.2/80
(559/80)
190/80
(1682/80)
600
800
20.4 (18.1)
32.7 (28.9)
-50AjAL2K
(
)
1/9
114/80
(1009/80)
343/80
(3036/80)
333
444
12.5 (11.1)
24.8 (22.0)
-50AjAL5K
1/20
253/80
(2239/80)
762/80
(6744/80)
150
200
20.2 (17.9)
32.5 (28.8)
Note 1. The maximum input motor speed for the gear is 4000 min
−1
.
2.
Output torque and motor speed produce the following trends in efficiency. Values
in the table are at the rated motor speed.
5