Torque-Motor Speed Characteristics Of The Sgm7G-30 To -1E - YASKAWA E Series Product Manual

7.2 Specifications and Ratings

7.2.5 Torque-Motor Speed Characteristics of the SGM7G-30 to -1E

Holding Brake
Specifications
Allowable Load Moment of Inertia
(Motor Moment of Inertia Ratio)
Allowable Shaft
Loads
Note: 1. The values in parentheses are for Servomotors with Holding Brakes.
2. Refer to the following section for footnotes *1 to *6.
7.2.5 Torque-Motor Speed Characteristics
of the SGM7G-30 to -1E
A :
B :
3500
3000
2500
2000
1500
1000
500
2500
2000
1500
1000
500
If you operate the SGM7G-75A Servomotor (with holding brake) continuously at the maximum motor speed of
*
3,000 min
Note: 1. These values are for operation in combination with a SERVOPACK when the temperature of the armature
2. The characteristics in the intermittent duty zone depend on the power supply voltage.
3. If the effective torque is within the allowable range for the rated torque, the Servomotor can be used within
4. If you use a Servomotor Main Circuit Cable that exceeds 20 m, the intermittent duty zone in the torque-
7-6
Voltage
Model SGM7G-
Rated Voltage
Capacity
Holding Torque
Coil Resistance
*4
Rated Current
Time Required to
Release Brake
Time Required to
Brake
With External Regenerative
Resistor and External Dynamic
Brake Resistor
LF
Allowable Radial
Load
*5
Allowable Thrust
Load

Notes for the Servomotor Ratings Tables on page 7-7
Continuous duty zone
Intermittent duty zone
SGM7G-30A
3500
3000
2500
2000
1500
A B
1000
500
0
0 12 24 36 48 60
Torque (N·m)
SGM7G-1AA
2500
2000
1500
A
B
1000
500
0
0 40 80 120 160 200
Torque (N·m)
-1
, use an output torque of 14.4 Nm (30% of rated torque) or less.
winding is 100°C. These are typical values.
the intermittent duty zone.
motor speed characteristics will become smaller because the voltage drop increases.
30A
V
W
Nm
Ω
(at 20°C)
A (at 20°C)
ms
ms
5
times
10
times
mm
N
N
(solid lines): With three-phase 200-V input
(dotted lines): When combined with the SGD7S-200A
SGM7G-44A
3500
3000
2500
2000
1500
A B
1000
500
0
0 15 30 45 60 75
Torque (N·m)
SGM7G-1EA
A B
0
0 50 100 150 200 250
Torque (N·m)
Continued from previous page.
200 V
*6
30A 44A 55A 75A
+10 ％
24 VDC
0
18.5 25
43.1 72.6
31 23
0.77 1.05
170
100
3
5 times
times
7
10 times
times
79 113
1470 1764
490 588
SGM7G-55A
3500
3000
2500
2000
1500
A B
1000
500
0
0 25 50 75 100 125
Torque (N·m)
1AA 1EA
32 35
84.3 114.6
18 17
1.33 1.46
250
80
116
4998
2156
SGM7G-75A*
A B
0
0 30 60 90 120 150
Torque (N·m)