YASKAWA SGDH User Manual page 245

(1) Allowable Load Moment of Inertia and Motor Speed for SGMAH 200 V Servomotors
The following relationships between the motor speed and load moment of inertia are for an AC input power volt-
age of 200 Vrms. The relationship will change according to changes in power voltage.
SGMAH-A3 (30 W)
0.50
(7.08)
Load moment
of inertia
-4 2
(×10 kg m )
(×10 -
3 2
oz in s )
0
0
Motor speed (min
SGMAH-02 (200 W)
3.18
(45.0)
Load moment
of inertia
-4 2
(×10 kg m )
(×10 -
3 2
oz in s )
1.21
(17.1)
0
0
Motor speed (min
(2) Allowable Load Moment of Inertia and Motor Speed for SGMPH 200 V Servomotors
The following relationships between the motor speed and load moment of inertia are for an AC input power volt-
age of 200 Vrms. The relationship will change according to changes in power voltage.
SGMPH-01 (100 W)
1.47
(20.8)
Load moment
of inertia
-4 2
(×10 kg m )
(×10 -
3 2
oz in s )
0
0 3000 5000
Motor speed
(3) Allowable Load Moment of Inertia at the Motor Shaft
The rotor moment of inertia ratio is the value for a servomotor without a gear and a brake.
Servomotor
Model
SGMAH 200 V
400 V
4.5 SERVOPACK Overload Characteristics and Allowable Load Moment of Inertia
0.66
(9.35)
Load moment
of inertia
-4 2
(×10 kg m )
(×10 -
3 2
oz in s )
0
3000 5000
-1
)
3300 min -1
5.19
(73.5)
3.81
Load moment
(54.0)
of inertia
-4 2
(×10 kg m )
(×10 -
3 2
oz in s )
1.12
(15.9)
3000 5000
-1
)
3.74
(53.0)
Load moment
1.10
of inertia
-4 2
(×10 kg m )
(15.6)
(×10 -
3 2
oz in s )
0
Allowable Load Moment of Inertia
Capacity Range
(Rotor Moment of Inertia Ratio)
30 W to 200 W
400 W, 750 W
300 W, 650 W
4-21
SGMAH-A5 (50 W)
Load moment
of inertia
-4
(×10 kg m
(×10 -
3
oz in s
0 3000 5000
-1
Motor speed (min )
SGMAH-04 (400 W)
2600 min -1
3000 min -1
0
0 3000 5000
-1
Motor speed (min )
SGMPH-02 (200 W)
Load moment
of inertia
-4
(×10
(×10 -
3
0 3000 5000
Motor speed
× 30
× 20
× 20
SGMAH-01 (100 W)
1.09
(15.4)
2
)
2
)
0
0 3000 5000
-1
Motor speed (min )
SGMPH-04 (400 W)
3.31
(46.9)
2
kg m )
0.89
2
oz in s )
(12.6)
0
0 3000 5000
Motor speed
4