YASKAWA SGM Series User Manual page 21

Servomotor Model:
SGMG-
Inertia Time ms
Constant
Inductive ms
Time Constant
* 1. These items and torque-motor speed characteristics are in combination with an SGDB SERVOPACK and at an
armature winding temperature of 20_C.
* 2. These characteristics are for a Servomotor with one of the following heat sink (steel plate) attached for cooling.
05AjA to 13AjA Servomotor: 400 × 400 × 20 mm (15.75 × 15.75 × 0.79 in) W × H × D
20AjA to 75AjA Servomotor: 550 × 550 × 30 mm (21.65 × 21.65 × 1.18 in) W × H × D
1AAjA Servomotor:
The ratings and specifications shown on the previous page are for standard Servomotors.
IMPORTANT
For Servomotors with holding brakes, add the values in the following table to the moment of inertia values
in the above table. Other characteristics may also change slightly.
Servomotor Model: SGMG
2
With Added kg⋅m
− 4
× 10
Holding Moment
Brake Brake of of
2
oz⋅in⋅s
90 VDC Inertia
− 3
× 10
Static
N⋅m
Friction
(oz⋅in)
Torque
2.1 Ratings and Specifications of SGMG Servomotors for Rated Speed 1500 r/min
05AjA 09AjA 13AjA 20AjA
5.1 3.1 2.8
5.1 5.3 6.3
650 × 650 × 35 mm (25.59 × 25.59 × 1.38 in) W × H × D
05AjA 09AjA 13AjA 20AjA 30AjA 44AjA 55AjA 75AjA 1AAjA 1EAjA
1.85
26
4.41 12.7
(624) (1798)
2 -3
30AjA 44AjA 55AjA
2.1 1.9 1.3 1.3
12.5 12.5 15.7 16.4
7.75
110
43.1
(6103)
75AjA 1AAjA 1EAjA
1.1 1.2 0.98
18.4 22.6 27.2
7.75 13.2 37.5
110 187 532
72.6 84.3 114.7
(10280) (11937) (16242)
2