neodymium magnets

Permanent Arc Ferrite Motor Magnets

Ferrite magnet or ceramic magnet is the cheapest magnetic material available with the lowest cost/energy ratio, also known as Ceramic Magnets, they are mainly Strontium based (SrFe2O3), manufactured with Strontium Carbonate additive to increase performances from the obsolete Barium based (BaFe2O3).
  • Item NO.:

    BHFM-01
  • Lead Time:

    30-35 days
  • Product Orgin:

    China
  • Shipping Port:

    Shanghai
  • min order:

    1000pcs
  • Grade:

    Y30
  • Product Detail

Permanent Arc Ferrite Motor Magnets

Ferrite magnet or ceramic magnet is the cheapest magnetic material available with the lowest cost/energy ratio, they are mainly Strontium based (SrFe2O3), manufactured with Strontium Carbonate additive to increase performances from the obsolete Barium based (BaFe2O3). Their good coercive force results from high crystal anisotropy of Strontium iron oxide. However, isotropic parts can also be produced where a simple and easy multi-pole magnetization is required. The most common shapes are simple, such as blocks, cylinders, rings and arcs.

Arc Generator Ferrite Permanent Magnet

Features:

1. Ferrite magnets are suitable for different environmental temperature;

2, Main features are low current and stable current flow;

3, Main features are many kinds of specifications, large force, and low current, stable rotation speed;

4, Generally speaking, Arc Magnets are all made as Customer Design and as Special requirement.


Surface Treatments

The corrosion resistance of Ferrite is considered excellent , and no surface treatments are required.

However, Ferrite magnets may have a thin film of fine magnet powder on the surface and for clean, non-contaminated applications, some form of coating may be required.


Magnetizing and Handling

Ferrite magnets require magnetizing fields of about 10 kOe.

They can be magnetized with multiple poles on one or both pole surfaces.

No special handling precautions are required, except that large blocks of Ferrite magnets are powerful, and care should be taken to ensure that they do not snap towards each other.


Temperature Effects

Up to about 840F, changes in magnetization are largely reversible, while changes between 840F and 1800 F are re-magnetizable.

For all Ferrite magnets, the degradation of magnetic properties is essentially linear with temperature.

At 350 F, about 75% of room temperature magnetization is retained, and at 550 F, about 50% is retained.


Ferrite segment magnets for different motors:

Ferrire arc magnets can be used for motorcycle magneto, motorcycle starter, automobile starter, window-rolling motors, automobile fuel pump motor, automobile windshield wipe motors, automobile fan motors, automobile power seat motors, automobile air compressor motor, electric tools.

Hard Ceramic Ferrite Magnet for motors


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