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Halbach Array

A Halbach array is a special arrangement of permanent magnets that augments the magnetic field on one side of the array while cancelling the field to near zero on the other side. We can capture more magnetic field in using less magnets.

Features

1. Magnetic field on sinusoidal distribution, the more magnets in one pole, the more perfect sinusoidal distribution.

Advantage:

1. Reduce the harmonic of motor

2. Enlarge air gap of motor

3. Increased utilization of magnetic field

 

 

 

 

 

2.  Enhance magnetic field

 

Advantages

Function


Enhance magnetic field


One side of assembly is the strong magnetic surface and the other is week magnetic surface.


It can use non-ferromagnetic materials as shafts in motor application.


Acting on magnetic shielding


On the strong magnetic surface, the permeability of magnetic lines will be strengthened.


More farther adsorption distance


More adsorbed abject


Enhance the magnetic force on the strong magnetic surface, and with better positioning effect.


Enhance the magnetic force


Accurate adsorbed position

 

Application

  1. Aluminum motor shell and axis (reducing motor weight)

  2. Permanent magnet magnetic concentrator

  3. Merchandise anti-theft buckle un-locker

  4. External keyboard magnetic bar

  5. Making uniform magnetic field with high magnetic field ( above 1.5T )

  6. High-strength magnetic sucker

  7. Magnetic positioning device

  8. New permanent magnet motor