Denso SMT7 - Motor Characteristics

Chapter 3 Choosing AC Servomotors
30
3.1.3 Motor Characteristics Lists
The main characteristics of each motor are listed below.
(1) Motor characteristics of standard type
Motor model
SGMAH-A5A SGMAH-01A SGMAH-02A SGMAH-04A SGMAH-08A
Rated output W 50 100 200 400 750
Rated revolving speed r/min 3000
Maximum revolving speed r/min 5000
Rated torque Nm 0.159 0.318 0.637 1.27 2.39
Instantaneous max. torque Nm 0.477 0.955 1.91 3.82 7.16
Rotor inertia (10
－
4
kgm
2
)
0.0220 0.0364 0.106 0.173 0.672
Allowable load inertia
(Max. n times of rotor inertia)
Max. 30 times Max. 20 times
Rated current Arms
(RMS value)
0.64 0.91 2.1 2.8 4.4
Torque constant Nm/Arms
(RMS value)
0.268 0.378 0.327 0.498 0.590
Weight (without brake) kg 0.4 0.5 1.1 1.7 3.4
Weight (with brake) kg 0.7 0.8 1.6 2.2 4.3
Holding torque Nm 0.159 0.318 0.637 1.27 2.39
Inertia at revolving part,
typical
(10
-4
kgm
2
)
0.0085 0.058 0.14
Exiting voltage DC, V
24 ±10%
Brake
Exciting current DC, A
(at 20C)
0.25 0.25 0.29 0.29 0.32
Motor characteristic curve (Torque-revolving speed)
SGMAH-A5A SGMAH-01A SGMAH-02A
SGMAH-04A SGMAH-08A
(Note)
A: Continuous operating area
B: Peak loading area