Lowest Eddy Current Losses Arc Laminated Rare Earth Magnets

/Lowest Eddy Current Losses Arc Laminated Rare Earth Magnets
  • Lowest Eddy Current Losses Arc Laminated Rare Earth Magnets
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  • Lowest Eddy Current Losses Arc Laminated Rare Earth Magnets, Segment SmCo Laminated Magnet, Laminated Samarium Cobalt Magnets,  layered magnet, split magnet and segmented magnet, Segment Laminated Permanent Magnets Offer the Thinnest Insulating Layers & Lowest Eddy Current Losses for Optimal Efficiency

    Lowest Eddy Current Losses Arc Laminated Rare Earth Magnets Item No. MPCO-LAMS  series
    Customzied Specific Requirements
    Know as Lamination Magnetic Core
    OEM or ODM service: Accept
    Dimension: Customized size
    Custom Grade: SmCo5,  Sm2Co17
    Magnetization direction: Thickness, Length, Axially, Diametre, Radially, Multipolar
    Surface Treatment: UNCOATED, Silver, Gold, Zinc, Ni-cu-Ni. Epoxy etc.
    Tolerance: +/-0.02 – 0.05mm
    Application: SmCo rare earth permanent magnets are widely applied in Auto, energy-efficient Motors and Generators, Machinery, Audio/Video and Communication Equipment, Medical Device(MRI), Office Automation, Magnetic Separator, etc.

    What is the Advantages of Laminated Magnet?
    According to many simulation cases and actual products, the magnet segmentation technique has excellent performance to prevent the eddy current. With the increase of segment, the eddy current losses of permanent magnet significantly decreased. Magnet segmentation technique has been already applied in the NdFeB and SmCo magnet.

    Custom Drawing Design Block Insulated Magnet Thanks to knowledge in electric motor and extensive experience in laminated magnets, Horizon can work with customers to improve motor performance through ensuring laminated magnets with following characteristics:

    Stable working at temperature up to 200˚C
    Consistency of insulation guaranteed
    Insulation layer ranging 25 -100 μm
    Magnet layer with thickness from 0.5mm and up in a wide of shapes like block, loaf, segment and wedge
    Magnet material in SmCo or Neodymium

    Samarium Cobalt magnets (SmCo) may be weaker than NdFeB magnets at room temperature but SmCo will often outperform NdFeB above +150 to +180 deg C (subject to the application and grade). SmCo magnets are ideal for aerospace, automotive, sensor, loudspeaker, motor and military applications. In mission critical applications they are an ideal first choice. SmCo magnets offer minimal change in magnetic output over a small temperature change (with far less variation than NdFeB or ferrite; only Alnico is better). The Low Temperature Coefficient (LTC) versions have less variation in magnetic output with temperature change (due to added Gd and Er). SmCo magnets performance over a massive range of temperatures (from near to -273 deg C up to +350 deg C). The H versions Sm2Co17 have higher Hci and operate up to +350°C rather than +300°C.SmCo and NdFeB could be interchangeable e.g. SmCo30 should perform very similarly to N30 at ambient temperature. Segment SmCo Laminated Magnet

    The consumption of motor is the greatest among the rotating machinery. The eddy current losses are one of the worst enemies to high-speed rare earth permanent magnet motor. The eddy current will give rise to the temperature of the rare earth permanent magnet, then the magnet will be demagnetized, therefore influence the work efficiency of the motor. As the metallic material, the rare earth permanent magnet has lower electrical resistance, and it also become the direct source of eddy current losses.

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