
3-26
3-2 Servomotor Specifications
3
Specifications
2,000-r/min Servomotors
Model (R88M-)
Item
Unit
200 VAC
G1K020T
G1K520T
G2K020T
G3K020T
G4K020T
G5K020T G7K515T
Rated output
*1
W
1000
1500
2000
3000
4000
5000
7500
Rated torque
*1
N·m
4.8
7.15
9.54
14.3
18.8
23.8
48
Rated rotation speed
r/min
2000
1500
Max. momentary rotation
speed
r/min
3000
2000
Max. momentary torque
*1
N·m
13.5
19.6
26.5
41.2
54.9
70.6
111
Rated current
*1
A (rms)
5.6
9.4
12.3
17.8
23.4
28
46.6
Max. momentary current
*1
A (rms)
17.1
28.5
37.1
54.2
71.4
85.7
117.8
Rotor inertia
kg·m
2
(GD
2
/4)
6.17
×
10
-4
1.12
×
10
-3
1.52
×
10
-3
2.23
×
10
-3
4.25
×
10
-3
6.07
×
10
-3
9.9
×
10
-3
Applicable load inertia
---
10 times the rotor inertia max.
*2
Torque constant
*1
N·m/A
0.88
0.76
0.78
0.81
0.81
0.85
1.03
Power rate
*1
kW/s
37.3
45.8
60
91.6
83.2
93.5
230
Mechanical time
constant
ms
0.7
0.81
0.75
0.72
1
0.9
0.71
Electrical time constant
ms
18
19
21
20
24
32
34
Allowable radial load
*3
N
490
490
490
784
784
784
1176
Allowable thrust load
*3
N
196
196
196
343
343
343
490
Weight
Without brake
kg
Approx.
6.8
Approx.
8.5
Approx.
10.6
Approx.
14.6
Approx.
18.8
Approx.
25
Approx.
41
With brake
kg
Approx.
8.7
Approx.
10.1
Approx.
12.5
Approx.
16.5
Approx.
21.3
Approx.
28.5
Approx.
45
Radiation shield dimensions
(material)
275
×
260
×
t15 (AI)
380
×
350
×
t30 (AI)
470
×
440
×
t30 (AI)
Applicable Servo Drives (R88D-)
GN10H-
ML2
GN15H-
ML2
GN20H-
ML2
GN30H-
ML2
GN50H-
ML2
GN50H-
ML2
GN75H-
ML2
Brake
spe
c
ifications
Brake inertia
kg·m
2
(GD
2
/4)
1.35
×
10
-4
4.25
×
10
-4
4.7
×
10
-4
4.7
×
10
-4
Excitation voltage
*4
V
24 VDC
±
10%
Power consumption
(at 20
°
C)
W
14
19
19
22
26
31
34
Current consumption
(at 20
°
C)
A
0.59
0.79
0.79
0.9
1.1
1.3
1.4
Static friction torque
N·m
4.9 min.
13.7 min.
13.7 min.
16.1 min.
21.5 min.
24.5 min. 58.8 min.
Attraction time
*5
ms
80 max.
100 max.
100 max.
110 max.
90 max.
80 max.
150 max.
Release time
*5
ms
70 max.
50 max.
50 max.
50 max.
35 min.
25 min.
50 max.
Backlash
1
°
(reference value)
Allowable work per
braking
J
588
1176
1176
1170
1078
1372
1372
Allowable total work
J
7.8
×
10
5
1.5
×
10
6
1.5
×
10
6
2.2
×
10
6
2.5
×
10
6
2.9
×
10
6
2.9
×
10
6
Allowable angular
acceleration
rad/s
2
10,000 max.
(Speed of 900 r/min or more must not be changed in less than 10 ms)
Brake life
---
10,000,000 operations
Rating
---
Continuous
Insulation grade
---
Type F