Sensor Bonded Multipolar Ferrite Magnets

/Sensor Bonded Multipolar Ferrite Magnets
  • Sensor Bonded Multipolar Ferrite Magnets
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  • Sensor Bonded Multipolar Ferrite Magnets, Injection Moulding Ferrite Magnet for Sensor, 16-polars Permanent Radial Ring Ferrite Magnet, Multipoles bonded ferrite ring magnet, Industry Application Multipolar Bonde Magnets

    Bonded Multipolar Ferrite Magnets for Sensor Basic Info:

    Ferrite, also known as Ceramic Magnets, are made of a composite of Iron oxide and barium carbonate (BaCO3) or strontium carbonate (SrCO3). Since th 1950’s, this material is commonly available and at a lower cost than other types of materials used in permanent magnets. Ceramic magnets are made by pressing and sintering. Sintered magnets are a type of ceramic composed of the compressed powder of the alloy material being used. Sintering involves the compaction of fine alloy powder in a dry and then fusing the powder into a solid material with heat. While the sintered magnets are solid, their physical properties are more similar to a ceramic and are easily broken and chipped.
    Ferrite magnets are brittle and hard , which generally requires diamond wheels to grind and shape. These magnets come in a number of different grades. Ferrite Multipolar Ring Magnets

    Injection molded magnets are produced by injecting the special pellets into the mold. This kind of magnet covers a wide range of characteristics as bonded magnets, including heat resistance and higher magnetic properties. Injection molding technique offers flexible shape design as well as over-molding and insert-molding with other parts for easy assemblies. Bonded Injection Moulding Ferrite Magnet for Sensor

    The advantage of injection molded magnets

    For this kind of isotropic magnets, any magnetization direction can be applied. This is a congenital advantage to manufacture the multi-polar magnets.
    Injection molded magnets have excellent dimensional accuracy and serial productivity.
    Thin wall thickness and complex shape can be manufactured.
    Over-molding and insert-molding with other parts, like back yoke, hub, shaft is readily available, as well as injection other polymer parts can be incorporated.
    The polyer binders’s volume fraction of injection molded magnets higher than the compression molded magnets. It will provide adequate protection against corrosion without coating in most applications.