Yaskawa SGDB User Manual
Page 275
5.2 SGM Servomotor
265
J
SGMD Servomotors with Holding Brake
Ratings and Specifications
Time rating:
continuous
Thermal class:
F
Vibration class:
15µm or below
Withstand voltage:
1500 VAC
Insulation resistance:
500 VDC 10MΩ min.
Enclosure:
totally enclosed, self-cooled
IP67 (except for shaft opening)
Ambient temperature:
0 to 40°C
Ambient humidity:
20% to 80% (non-condensing)
Excitation:
permanent magnet
Drive method:
direct drive
Mounting:
flange method
Holding brake:
90VDC
Static friction torque 29.4 N¡m
Servomotor SGMD
22AjAAB
32AjAAB
40AjAAB
Rated Output*
kW (HP)
2.2 (2.9)
3.2 (4.3)
4.0 (5.4)
Rated Torque *
N¡m
10.5
15.3
19.1
q
kgf¡cm (lb¡in)
107 (93)
156 (135)
195 (169)
Instantaneous Peak Torque*
N¡m
36.7
53.5
66.9
q
kgf¡cm (lb¡in)
375 (326)
546 (474)
682 (592)
Rated Current *
A (rms)
15.7
20.9
22.8
Instantaneous Max Current*
A (rms)
54
73
77
Rated Speed*
min
−1
2000
Instantaneous Max Speed*
min
−1
3000
Torque Constant
N¡m/A (rms)
0.72
0.78
0.93
q
kgf¡cm/A(lb¡in/A)
(rms)
7.4 (6.4)
8.0 (6.9)
9.5 (8.2)
Moment of Inertia
kg¡m
2
¢
10
−4
56.6
74.2
91.8
gf¡cm¡s
2
(lb¡in¡s
2
¢
10
−3
)
57.8 (50.3)
75.7 (65.9)
93.7 (81.5)
Rated Power Rate*
kW/s
21.6
34.1
42.3
Rated Angular Acceleration*
rad/s
2
2060
2230
2220
Inertia Time Constant
ms
3.3
2.2
2.0
Inductive Time Constant
ms
16.2
18.2
17.8
* These items and torque-speed characteristics quoted in combination with an SGDB SER-
VOPACK at an armature winding temperature of 20°C.
Note These characteristics can be obtained when the following heat sinks (steel
plates) are used for cooling purposes:
Type 22AjAAB to 40AjAAB :650¢650¢35 (mm)
(25.59¢25.59¢1.38 (in))
5