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12. SERVO MOTOR
12.5.2 Standard specifications
(1) Standard specifications
Servo motor
Item
HF-KN series (Low inertia, small capacity)
053 13 23 43
Applicable
servo amplifier
MR-JN-
A
10 20 40
MR-JN- A1
10 20
Continuous
running duty
(Note 1)
Rated output [kW]
0.05 0.1 0.2 0.4
Rated torque
[N
m]
0.16 0.32 0.64 1.3
[oz in]
22.7 45.3 90.6 184
Rated speed (Note 1) [r/min]
3000
Maximum speed [r/min]
4500
Instantaneous permissible speed [r/min]
5175
Maximum torque
[N
m]
0.48 0.95 1.9 3.8
[oz in]
68.0 135 269 538
Power rate at
continuous
rated torque
Standard [kW/s]
4.87 11.5 16.9 38.6
With an
electromagnetic brake
[kW/s]
4.69 11.3 13.1 32.5
Inertia moment (Note 3)
J [
10
-4
kg m
2
]
0.052 0.088 0.24 0.42
WK
2
[oz in
2
]
0.284 0.481 1.31 2.30
Recommended load to motor inertia moment
ratio (Note 2)
15 times or less 24 times or less 22 times or less
Power supply capacity
Refer to section 10.2.
Rated current [A]
0.9 0.8 1.4 2.7
Maximum current [A]
2.7 2.4 4.2 8.1
Speed/position encoder
Incremental 17 bits encoder
(Resolution per servo motor 1 rotation: 131072pulses/rev)
Accessory
Insulation class
Class B
Structure
Totally-enclosed, self-cooled (IP rating: IP65 (Note 4))
Environmental
conditions
(Note 5)
Ambient
temperature
In operation
0
to +40 (32 to 104 ) (non-freezing)
In storage
-15
to +70 (5 to 158 ) (non-freezing)
Ambient
humidity
In operation
10%RH to 80%RH (non-condensing)
In storage
10%RH to 90%RH (non-condensing)
Ambience
Indoors (no direct sunlight)
Free from corrosive gas, flammable gas, oil mist, dust and dirt
Altitude
Max. 1000m
Vibration resistance (Note 6)
X, Y : 49m/s
2
Vibration rank (Note 7)
V-10
Permissible
load to the
shaft
(Note 8)
L [mm]
25 30
Radial
[N]
88 245
[lb]
19.8 55.1
Thrust
[N]
59 98
[lb]
13.3 22.0
Mass (Note 3)
[kg]
0.4 0.5 1.0 1.4
[lb]
0.88 1.10 2.21 3.09
Note 1. When the power supply voltage drops, the output and the rated speed cannot be guaranteed.
2. If the load to motor inertia moment ratio exceeds the indicated value, please contact your local sales office.
3. Refer to the dimensions for the servo motors with an electromagnetic brake.
4. Except for the shaft-through portion.
5. In the environment where the servo motor is exposed to oil mist, oil and/or water, a standard specification servo motor may not
be usable. Contact your local sales office.
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