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3 Specifications and Dimensional Drawings
3.2.1 SGMPH Servomotors Without Gears
3-12
(2) Holding Brake Moment of Inertia
The moment of inertia of the servomotor with holding brake is expressed using the following equation.
(The moment of inertia of the servomotor with holding brake) =
(rotor moment of inertia) + (brake moment inertia)
* These values are reference values.
(3) Derating Rate for Servomotor With Oil Seal
For a motor with oil seal, use the following derating rate because of the higher friction torque.
(4) Torque-motor Speed Characteristics
(a) 100-V Class
(b) 200-V / 400-V Class
Servomotor Model
SGMPH-
01A
01B
02A
02B
02D
04A
04D 08A
08D 15A
15D
Holding Brake
Moment of Inertia J
×10
-4
kg
x
m
2 0.029 0.109 0.875
×10
-3
oz
x
in
x
s
2
∗
0.411 1.544 12.39
Servomotor Model
SGMPH-
01A
01B
02A
02B
02D
04A
04D 08A
08D 15A
15D
Derating Rate (%)
90 95
SGMPH-01B SGMPH-02B
A B A B
0
1000
2000
3000
4000
5000
0 0.25 0.5 0.75 1
0
1000
2000
3000
4000
5000
0 0.5 0.1 1.5 2
100 50
0
150
Torque (N m)
Torque (oz in)
200 100
0
300
Torque (N m)
Torque (oz in)
Motor
speed
(min -1 )
Motor
speed
(min -1 )
SGMPH-01A SGMPH-02A, -02D
SGMPH-04A, -04D SGMPH-08A, -08D
0
1000
2000
3000
4000
5000
0 0.25 0.5 0.75 1
0
1000
2000
3000
4000
5000
0 0.5 1 1.5 2
0
1000
2000
3000
4000
5000
0 1 2 3 4
0
1000
2000
3000
4000
5000
0 2 4 6 8
A B A B
A B A B
SGMPH-15A, -15D
A B
0
1000
2000
3000
4000
5000
0 4 8 12 16
A B
100
50
0
150
Torque (N m)
Torque (oz in)
200
100 0
300
Torque (N m)
Torque (oz in)
Motor
speed
(min -1 )
400 200
0
600
Torque (N m)
Torque (oz in)
800
400
Torque (N m)
Torque (oz in)
1600
800 0
2400
: Continuous Duty Zone : Intermittent Duty Zone
Torque (N m)
Torque (oz in)
Motor
speed
(min -1 )
Motor
speed
(min -1 )
Motor
speed
(min -1 )
Motor
speed
(min -1 )
0 1200