Chapter 2
2-32
Standard Models and Specifications
2-4-2 Performance Specifications
■
3,000-r/min Cylinder-style Servomotors
Item
Unit
R7M-
A03030
R7M-
A05030
R7M-
A10030
R7M-
A20030
R7M-
A40030
R7M-
A75030
Rated output*
W
30
50
100
200
400
750
Rated torque*
N
⋅
m
0.095
0.159
0.318
0.637
1.27
2.39
Rated rotation
speed
r/min
3,000
Momentary maxi-
mum rotation speed
r/min
4,500
Momentary maxi-
mum torque*
N
⋅
m
0.29
0.48
0.96
1.91
3.82
7.1
Rated current*
A (rms)
0.42
0.60
0.89
2.0
2.6
4.4
Momentary maxi-
mum current*
A (rms)
1.3
1.9
2.8
6.0
8.0
13.9
Rotor inertia
kg
⋅
m
2
(GD
2
/4)
1.7
×
10
–6
2.2
×
10
–6
3.6
×
10
–6
1.19
×
10
–5
1.87
×
10
–5
6.67
×
10
–5
Torque constant*
N
⋅
m/A
0.255
0.286
0.408
0.355
0.533
0.590
Induced voltage
constant*
mV/ (r/
min)
8.89
9.98
14.0
12.4
18.6
20.6
Power rate*
kW/s
5.31
11.5
28.1
34.1
86.3
85.6
Mechanical time
constant
ms
1.2
0.8
0.5
0.4
0.2
0.3
Winding resistance
Ω
15.8
9.64
6.99
1.34
1.23
0.45
Winding inductance mH
23.1
16.9
13.2
7.2
7.9
5.7
Electrical time con-
stant
ms
1.5
1.8
1.9
5.4
6.4
13
Allowable radial
load
N
68
68
78
245
245
392
Allowable thrust
load
N
54
54
54
74
74
147
We
ig
h
t
Without brake
kg
Approx. 0.3 Approx. 0.4 Approx. 0.5 Approx. 1.1 Approx. 1.7 Approx. 3.4
With brake
kg
Approx. 0.6 Approx. 0.7 Approx. 0.8 Approx. 1.6 Approx. 2.2 Approx. 4.3
Radiation shield dimensions
(material)
t6
×
@
250 mm (Al)
Applicable Servo
Driver (R7D-)
100 VAC APA3L
APA5L
AP01L
AP02L
AP04L
–
200 VAC APA3H
APA5H
AP01H
AP02H
AP04H
AP08H
Summary of Contents for SMARTSTEP A Series
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