Fluid dynamic bearing (FDB) brushless 3-phase motor combines the advantages of a brushless dc motor with the cutting edge technology of our fluid dynamic bearings.
Features
Fluid dynamic bearing technology
low noise < sound power overall
max 20 dB(A) re 1pW
low vibration
low runout (NRRO below 60 nm)
wobble error < 3''
Run out rotor
axial : < 12 μm
radial : < 10 μm
Static imbalance < 10 mg・cm
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Mounting position: arbitrary
Bearing system: FDB(Fluid Dynamic Bearing)
Torque Constant Kt: 2.83 mN・m/A
Weight: 20 g max.
Polar Rotor Inertia: 7.9×1E-7kgm2
Temperature Range:
operating: -20 to +70 degree Celsius
non operating: -40 to +70 degree Celsius
Direction of Rotation: CCW
Number of Poles/Slot: 12/9
Speed range: 3000 - 10000 rpm * -
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Rated Voltage
[V]Rated Speed
[rpm]Power at
rated speed
[W]Friction Torque at
rated speed
[mN・m]Current at rated Speed
(without load)
[A]5 6400 0.28 0.41 0.15
Z.Nr.
1221-888-00051
Memo
*The specification for Rated Voltage and Nominal Speed are just example values. These parameters are depending on customer requirements and electronics. The Speed Range is also depending on the rotor mass, temperature and center of gravity
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Integrated Drive Electro.: No
Planetary Gearbox: No
Sensorless Operation: Yes -
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