6.2 Specifications and Ratings
6.2.4 Ratings of Servomotors with Gears
6
Specifications, Ratings, and Exter
nal Dimensions of SGM7P Servomotors
6-7
*
The moment of inertia for the Servomotor and gear is the value without a holding brake. You can calculate the
moment of inertia for a Servomotor with a Gear and Holding Brake with the following formula.
Motor moment of inertia for a Servomotor with a Holding Brake from
on page 6-4 + Moment of inertia for the gear from the above table.
Servomotor Model
SGM7P-
Moment of Inertia [
×
10
-4
kg
m
2
]
With Low-Backlash Gears
Reference Diagram
Shaft Output
Flange Output
Allowable
Radial Load
[N]
Allowable
Thrust
Load
[N]
LF
[mm]
Motor
*
+
Gear
Gear
Motor
*
+
Gear
Gear
01A
AH1
0.0642
0.005
0.0632
0.004 95
431
37
01A
AHB
0.119
0.060 0.118
0.059
192
895
53
01A
AHC
0.109
0.050 0.109
0.050
233
1087
53
01A
AH7
0.509
0.450
0.508
0.449 605
2581
75
02A
AH1
0.470
0.207
0.464
0.201 152
707 53
02A
AHB
0.456
0.193
0.455
0.192 192
895 53
02A
AHC
0.753
0.490 0.751
0.488
528
2254 75
02A
AH7
0.713
0.450 0.712
0.449
605
2581 75
04A
AH1
0.616
0.207
0.610
0.201 152
707 53
04A
AHB
0.979
0.570 0.969
0.560
435
1856 75
04A
AHC
0.899
0.490 0.897
0.488
528
2254 75
04A
AH7
1.03
0.620 1.01
0.610 951
4992 128
08A
AH1
3.20 1.10 3.16 1.06
343
1465 75
08A
AHB
2.70 0.600 2.69 0.590 435
1856 75
08A
AHC
5.10
3.00
5.08
2.98
830
4359 128
08A
AH7
4.90 2.80
4.89 2.79 951
4992 128
15A
AH1
7.82 3.80
7.55 3.53
540
2834
128
15A
AHB
7.42 3.40 7.36 3.34 684
3590 128
15A
AHC
9.82 5.80 9.72 5.70 2306
9989
151
15A
AH7
8.82 4.80 8.79 4.77 2641
11400 151
During operation, the gear generates the loss at the gear mechanism and oil seal. The loss
depends on the torque and motor speed conditions. The temperature rise depends on the loss
and heat dissipation conditions. For the heat dissipation conditions, always refer to the following
table and check the gear and motor temperatures with the actual equipment. If the temperature
is too high, implement the following measures.
•
Decrease the load ratio.
•
Change the heat dissipation conditions.
•
Use forced-air cooling for the motor with a cooling fan or other means.
Radial load
Shaft Output
Thrust load
LF
LF
Radial load
Thrust load
Flange Output
Important
•
A: 250 mm × 250 mm × 6 mm, aluminum plate
•
B: 300 mm × 300 mm × 12 mm, aluminum plate
•
C: 350 mm × 350 mm × 12 mm, aluminum plate
Model
Heat Sink Size
1/5
1/11
1/21
1/33
SGM7P-01
A
SGM7P-02
B
SGM7P-04
C
SGM7P-08
SGM7P-15
