YASKAWA SGM7J-A5A, Technical Supplement

Page: 230 / 622

Direct Drive Servo Motors
SGM7D (With Core, Outer Rotor)
212

S GM7D-

I, an d -

J
*1.
The rated torque s are the continuou s allowable torque value s at a s urrounding air temperature of 40°C with an aluminum
heat s ink of the dimen s ion s given in the table.
*2.
If you u s e an SGD7S-120A008 SERVOPACK and SGM7D Servomotor together, u s e the ratio s given on the bottom line.
*3.
The thru s t load s and moment load s that are applied while a Servomotor i s operating are roughly cla ss ified into the follow-
ing pattern s . De s ign the machine s o that the thru s t load s or moment load s will not exceed the value s given in the table.
The allowable load i s for a s tatic load in one direction.
When de s igning the s y s tem, multiply the allowable load by the following s afety coefficient depending on the type of load.
•
Smooth load with no s hock: 1/3
•
Light repetitive load: 1/5
•
Shock load: 1/10
Note: 1. The s e value s are for operation in combination with a SERVOPACK when the temperature of the armature winding i s
20°C. The s e are typical value s .
2. For the bearing s u s ed in the s e Servomotor s , the lo ss depend s on the bearing temperature. The amount of heat lo ss
i s higher at low temperature s .
Voltage 200 V
Mo d el S GM7D- 28I 70I 1ZI 1CI 2BI 2DI 06J 09J 18J 20J 38J
Rated Output W 264 440 628 817 691 754 75 113 226 251 358
Rated Torque
*1
N

m 28.0 70.0 100 130 220 240 6.00 9.00 18.0 20.0 38.0
In s tantaneou s
Maximum Torque
N

m 50.0 100 150 200 300 400 8.00 15.0 30.0 45.0 60.0
Stall Torque N

m 28.0 70.0 100 130 220 240 6.00 9.00 18.0 20.0 38.0
Rated Current Arm s 5.2 5.6 5.5 5.0 5.6 4.8 4.0 3.4 3.0 2.2 3.1
In s tantaneou s
Maximum Current
Arm s 14.1 10.6
Rated Motor Speed
min
-1
90 60 30 120 90
Maximum Motor Speed
min
-1
108 72 60 48 144
Torque Con s tant
N

m/
Arm s
6.90 13.9 20.8 27.8 41.5 54.4 1.71 3.29 6.62 9.88 13.3
Motor Moment of Inertia

10
-4
kg

m
2
1800 2000 2300 2850 3400 4000 150 210 240 260 330
Rated Power Rate kW/ s 4.36 24.5 43.5 59.3 142 144 2.40 3.86 13.5 15.4 43.8
Rated Angular
Acceleration Rate
rad/ s
2
156 350 435 456 647 600 400 429 750 769 1150
Heat Sink Size mm 550

550

30
Allowable Load Moment of Inertia
(Motor Moment of Inertia Ratio)
time s
50
125
*2
100
250
*2
90
230
*2
80
200
*2
100 150
350
700
*2
250
600
*2
240
550
*2
220
550
*2
180
450
*2
With External Regenera-
tive Re
s i s tor and External
Dynamic Brake Re s i s tor
*3
time s 800 2000 2500 3000 100 150 700 900 2500 2000 2000
Allowable
Lo
ad
s
*3
A
llo
wabl
e
Thr
u
s
t
Lo
ad
Forward N
4

10
4
3

10
4
Rever s e N
2

10
4
1

10
4
Allowable
Moment Load
N

m 400 200
Rigiditie
s
Th
ru
s
t
Di
s
place
me
nt
Ri
gi
dity
Forward mm/N
2

10
-6
3

10
-6
Rever s e mm/N
3

10
-6
4

10
-6
Moment
Di
s placement Rigidity
rad/
N

m
4

10
-7
2

10
-6
F
Where F is the external force,
Thrust load = F + Load mass
Moment load = F × L
Where F is the external force,
Thrust load = F + Load mass
Moment load = 0
Where F is the external force,
Thrust load = Load mass
Moment load = F × L
Reverse
Forward
Thrust load direction
Reverse
Forward
Thrust load direction
F
L
F
L