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20mm Outer Rotor Brushless DC Motor

High-efficiency outer rotor bldc motor for gimbals, drones, and industrial equipment. (20mm) Get a free quote from ZGC Motors, a trusted servo motor manufact…

Features: high quality, high precision

Applications: robot, coffee machine

 

 

Key Advantages of the Outer Rotor Design:

Compact & Flat Profile: The outer rotor architecture enables an extremely low axial height and space-saving form factor, making it an ideal solution for applications with strict restrictions on installation space and thickness.

High Torque Density: By utilizing the outer shell as the rotating component for direct torque output, this design achieves a higher torque density within the same volume, providing superior power for direct-drive applications requiring high torque.

Smooth Operation & Enhanced Cooling: The rotating outer casing acts as an effective heat sink, significantly increasing the surface area for improved thermal dissipation. This design also contributes to excellent dynamic balance, ensuring remarkably smooth and quiet performance.

High Quality: Manufactured with premium materials for durability and long-term reliability.

High Precision: Ensures accurate control and consistent performance for demanding tasks.

Ideal For: Robotics, coffee machines, and other applications requiring a reliable micro motor.

 

GENERAL SPECIFICATION                         

       

Winding typeStarInsulation Resistance100MΩMin. ,500VDC
Hall effect angle120 degree electrical angleDielectric Strength300VAC for one minute
Resistance Accuracy±10% @20℃Shaft Radial Play0.02Max. (450 g-load)
Inductance Accuracy±20% @1kHzShaft Axial Play0.15Max. (450 g-load)
Ambient Temperature-20℃~+50℃Insulation classClass B

ELECTRICAL SPECIFICATION

Model20DMWO10-063020DMWO10-0940
Number of poles8
Number of phase3
Rated voltageVDC69
Rated speedRPM30904180
No-load speedRPM91309760
No-load currentA0.30.3
Rated powerW12
Rated torquemN.m3.214.05
Rated currentA0.550.48
Peak torquemN.m                 9.6312.15
Peak currentA1.651.44
Maximum efficiency%6065
Line to line resistanceohms4.27.5
Line to line inductancemH0.61.2
Torque constantmN.m/A6.08.4
Back E.M.FVrms/KRPM0.460.65
Rotor inertiag.cm23.9
WeightKg0.015
Lengthmm10

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