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14mm Slotless Brushless Motor for Compact Motion Systems

Modar'sSlotlessBrushlessDCMotorscanavoidthepulsationofairgapmagneticinductioncausedby unevenmagnetic resistance in the teeth.
It can eliminate the pulse loss in the armature core and the surface loss on the main pole surface.
Slotless Brushless DC Motor has high durability, low electrical noise and high efficiency. Maximum efficiency of motor reaches 91% and this motor is suitable for the servo system which needs quick movement and high power.

  • 14ZWWC36

  • Modar Motor

  • 14mm

  • 5.1W

  • 4mN.m

  • 6V

  • 100% pure copper

  • 2

  • about 30 days

Availability:

14mm Slotless Brushless DC Motor – Product Overview


The 14mm slotless brushless dc motor balances compact size and enhanced output capability, making it suitable for applications requiring slightly higher torque than ultra-micro motors while preserving excellent motion smoothness.

Its slotless magnetic structure significantly reduces torque ripple and improves control linearity, especially in servo-like control scenarios.


slotless brushless dc motor


Key Features

  • Slotless stator for ultra-smooth torque output

  • Compact 14mm housing for dense assemblies

  • Improved torque capability compared to micro frames

  • Low vibration and stable electromagnetic behavior

  • Custom windings and voltage options

  • Suitable for continuous duty cycles






Typical Applications of 14mm Slotless Brushless DC Motor


14mm slotless brushless dc motor is commonly used in compact systems that demand stable motion quality and higher mechanical robustness.


Typical applications include:

  • Compact servo mechanisms

  • Camera focusing and positioning systems

  • Small robotic actuators

  • Precision dosing and dispensing devices


Application Highlights

  • Stable rotation under varying loads

  • Reduced acoustic noise in enclosed systems

  • High repeatability for precision positioning

  • Excellent compatibility with modern BLDC drives






Technical Specifications of 14mm Slotless Brushless DC Motor


The following technical data applies to the 14mm slotless brushless DC motor.

Electrical Parameters

  • Rated voltage options: 6V etc.

  • Rated speed: 15000rpm(customized)

  • Rated Torque: 4mN.m(customized)

  • Output power: 5.1W(customized)

Optional Configurations

  • Hall sensors or encoder feedback

  • Customized shaft or connector types

  • Cable or terminal variations


Slotless motor.pdf

     

 Motor Characteristics
Motor part number 14ZWWC36
Pole pairs -
Terminal resistance, Phase-Phase 0.87 
Terminal inductance, Phase-Phase mH 0.04 
Winding connection method - Delta connection
Insulation class - B
Duty type - S1
Feedback method - Hall sensor
Commutation angle - 120°
Insulation strength (Withstand voltage) - 500VAC/1KHz/1mA/1s
Insulation resistance - 100MΩ/500VDC
Weight g 34.2 
Rated voltage V
Rated power W 5.1 
Rated torque mN·m
Rated speed RPM 12152 
Rated current A 1.3 
No load speed RPM 15000 
No load current A 0.18 
Motor efficiency % 66 
Noise
(Ambient noise 20dB, test distance 1m)
dB <50
Thermal Resistance (No-load) K/W 9.35 
Ambient temperature 22.3 
Max winding temperature 70 
Torque constant mN·m/A 3.08 
Back-EMF constant - peak value V/Krpm 0.46 
Back-EMF constant - effective value V/Krpm 0.32 
Peak torque mN·m 20 
Peak current A
Rotor inertia g·cm² 0.15 
Mechanical time constant ms 1.38 
End bell - Stainless steel
Bearing - Deep groove ball bearing
Magnet - Sinter NdFeB
Rotation shaft - Carbon steel


Dimension Drawing of 14mm slotless brushless motor 14ZWWC36
14mm slotless brushless dc motor drawing
Performance Curve of 14mm slotless brushless motor 14ZWWC36
14mm slotless brushless dc motor performance curve



FAQ –14mm Slotless Brushless DC Motor


Q1: Can 14mm slotless brushless dc motor work as a servo motor?

Yes, when paired with a suitable controller and encoder.


Q2: Does the slotless design improve positioning accuracy?

Yes. It significantly reduces torque ripple and improves control smoothness.


Q3: Is active cooling required?

No. Natural cooling is sufficient in most applications.


Q4: Is customization available?

Yes. Electrical and mechanical parameters can be tailored.


Q5: Is 14mm slotless brushless dc motor suitable for robotic applications?

Yes, especially for compact robotic joints and actuators.


Q6: Do you support prototype and volume production?

Yes, from early development to mass production.


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