BNP-6 Bonded NdFeB Radial Magnets for Cellular Phones

/BNP-6 Bonded NdFeB Radial Magnets for Cellular Phones
  • BNP-6 Bonded NdFeB Radial Magnets for Cellular Phones
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  • BNP-6 Bonded NdFeB Radial Magnets for Cellular Phones, powerful donut shaped Compression Molding NdFeB MultiPole Magents, High Temperature 120 Degree Rare Earth Bonded Ring Magnets, Bonded Permanent Magents,  purchase magnets for Generator rotor motor sensor, radial ring magnet China Supplier

    BNP-6 Bonded NdFeB Radial Magnets for Cellular Phones Specification:
    Shape Ring
    Grade BNP-6
    Size OD16*ID6.4*8
    plating black epoxy
    Material: Bonded Neodymium
    features: multipoles radial ring magnet
    coating:epoxy plated
    application:Motor Rotor Sensor
    Br: 5900-6500 KGS
    Hcb ≥302-374 KA/m
    Hcj ≥7.5-10.0 KA/m
    (BH)max 44-53.6 KJ/M3
    Temp. Coefficlent 120°C
    The product can be customed by your requirement.

    MPCO Magnet Company is specialized in making ndfeb rotor magnets . It has hundreds of wire cutting machines running day and night. We can make high quality rotor magnets ndfeb, esepecially for those motors with certain working temperature requirement. We can supply oven test to ensure temperature resistance.

    Bonded magnets are an important but often overlooked group of products that magnetic circuit and device designers should consider when choosing the optimum permanent magnet type for their specific application need. In their most basic form bonded magnets consist of two components; a hard magnetic powder and a non-magnetic polymer or rubber binder. The powder may be hard ferrite, NdFeB, SmCo, alnico, or mixtures of two or more magnetic powders known as hybrids. In all cases, the powder properties are optimized through processing and chemistry specifically aimed at utilization in a bonded magnet. The binder that holds the magnetic particles in place can produce either a flexible or rigid magnet. Typical binders for flexible magnets are nitrile rubber and vinyl. Binders for rigid magnets include nylon, PPS, polyester, Teflon, and thermoset epoxies. Bonded Magnet Materials and Processing Options

    The thermoplastic binders may be formed into sheet via a calendaring or extrusion or formed into various complex shapes using injection molding.
    Compression bonding almost exclusively combines isotropic NdFeB powders with a thermoset epoxy binder using a uniaxial room temperature pressing process. A major advantage of bonded magnet processing is near net shape manufacturing requiring zero or minimal finishing operations compared to powder or cast metallurgical processes. In addition value added assemblies can be economically produced in a single operation. Casting AlNiCo Speaker Magnet

    Proprty Grade Br (mT) Br (Gs) Hcb
    (kJ/m 3)
    Tw/ ºC
    BNP-3 450-510 4500-5100 199-263 477-597 6.0-7.5 24-32 24-32 3.0-4.0 120
    BNP-6 590-650 5900-6500 302-374 597-796 7.5-10.0 44-53.6 44-53.6 5.5-7.0 120
    BNP-8 620-670 6200-6700 390-454 636-796 8.0-10.0 60-68 60-68 8.0-9.5 120
    BNP-8SR 620-660 6200-6600 405-470 955-1114 12.0-14.0 65.6-72 65.6-72 8.2-9.0 160
    BNP-9H 650-700 6500-4000 421-484 915-1034 11.5-13.0 72-80 72-80 9.0-10.0 160
    BNP-10 680-720 6800-7200 413-477 636-796 8.0-10.0 76-84 76-84 9.5-10.5 120
    BNP-11 700-740 7000-7400 430-493 636-796 8.0-10.0 80-88 80-88 10.0-11.0 120
    BNP-12L 730-770 7300-7700 366-430 517-637 6.5-8.0 84-92 84-92 10.5-11.5 110

    Rare Earth Permanent Bonded Neodymium Ring Magnets With 12 Poles Magnetization, Rare Earth Bonded Neodymium Ring Magnets
    Surface Treatment
    Although plastic bonded ndfeb magnets have a good corrosion resistance, we still advise to make a coating for them so that the durability is optimal. Epoxy is the most commonly used plating for bonded ndfeb magnet. You can find more information from our Magnet Coating Page.

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