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Bonded Ring Neodymium Magnet
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Bonded Ring Neodymium Magnet

Bonded NdFeB magnets are manufactured by binding rapid-quenching NdFeB powder. The powder is mixed with resin to form a magnet by compression molding with epoxy or infection molding with nylon.

Material:
Size:
grade:
Tolerance:
Type of coating:
  • BWND
  • BMAG
  • 8505111000

Product Description

Bonded Ring Neodymium Magnet

 

During steel forging and hot rolling, a large number of sintered magnets are often formed due to the reaction between steel and oxygen in the air, resulting in accumulation and waste of resources.

If these resources are used reasonably, production costs can be reduced and environmental protection and energy saving can be played.

The main components of sintered magnets are Fe2O3, Fe3O4 and FeO.

Among them, the outermost layer of the sintered magnet is Fe2O3, accounting for about 10% of the thickness of the sintered magnet, which prevents oxidation.

Fe3O4 is in the middle, about 50%, and FeO is in the innermost contact with iron, about 40%.

Generally, sintered magnets have three layers: the outermost layer is Fe2O3, accounting for about 10% of the thickness of the whole sintered magnet. Its properties are as follows: delicate, shiny, brittle and easy to fall off;

And has the function that prevents the inside to continue to oxidize violently;

The second layer is a mixture of Fe2O3 and FeO, usually written as Fe3O4, accounting for about 50% of the total thickness.

The third layer connected with the metal body is FeO, which accounts for about 40% of the thickness of the sintered magnet. The properties of FeO are sticky, and it is not easy to get rid of when sticking to the steel material.


Magnetic properties of bonded NdFeB Magnets Bonded Ring Magnet

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