Harmonic Drive RSF supermini Series - Motor Shaft Retention Brake Specifications

4-1 Motor shaft retention brake specifications
4-1
4
Motor shaft retention brake(RSF-5A)
4-1 Motor shaft retention brake specifications
Gear ratio
Item
30 50 100
Method
Single disc dry type deenergisation operation type
(Separate attraction coil and retention coil)
Brake operating voltage
V
24VDC±10%
Current consumption during
release (at 20°C)
A 0.8
Current consumption during
retention of release (at 20°C)
A 0.05
Retention torque
Note 1
N
･
m
0.18
0.29
0.44
kgf
･
cm
1.84
2.96
4.49
Moment of inertia
Note 1
(GD
2
/4)
kg
･
cm
2
0.111×10
-3
0.309×10
-3
1.234×10
-3
(J)
kgf
･
cm
･
s
2
1.132×10
-3
3.151×10
-3
12.58×10
-3
Weight Note 2
g
86 (excluding the clamp filters)
Number of allowable brake
operations
Note 3
100,000 times
Note 1:This is a value at the output shaft of the actuator.
Note 2:This is a value for the entire actuator.
Note 3:The motor shaft rotation speed is controlled as shown in the following table.
Gear ratio
Output shaft rotation speed
[rpm]
Motor shaft rotation speed
[rpm]
1:30
5.0
150
1:50
3.0
1:100
1.5