Standard Rare Earth Ring Permanent SmCo Magnet

/Standard Rare Earth Ring Permanent SmCo Magnet
  • Standard Rare Earth Ring Permanent SmCo Magnet
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  • Standard Rare Earth Ring Permanent SmCo Magnet YXG-28, Customer Magnetic Ring for Motor, Samarium Cobalt Sound Speaker Assembly, OEM SmCo Rare Earth ring speaker magnets for headphone earphone headset, High Work Temp Permanent Motor Generator Rotor Magnet, Super Strong SmCo magnets China Supplier

    Standard Rare Earth Ring Permanent SmCo Magnet YXG-28 Item No. MPCO-SMOS  series
    Customzied Specific Requirements
    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

    Samarium Cobalt (SmCo) Magnets
    Extremely strong rare earth magnets, Samarium Cobalt magnets (SmCo) are composed of samarium, cobalt and iron. Not sure if samarium cobalt is the best material for your application? Review our permanent magnetic materials comparison for more information.

    Manufacturing – In general, the elements are melted together and milled into a powder that is dry-pressed to shape in the presence of a magnetic field. The material is then sintered, aged, ground to dimension, magnetized and tested. They are called “rare earth” magnets because the elements of samarium cobalt are classified as such in the lanthanides section of the Periodic Table of the Elements.

    Applications of Samarium Cobalt Magnets
    Computer disc drives
    Sensors
    Traveling wave tubes
    Linear actuators
    Satellite systems
    Motors where temporary stability is vita
    Servo-Motors
    Transducers
    Watch
    Positional detector
    Generators

    Samarium Cobalt Sound Speaker Magnet Ring Assembly

    Samarium Cobalt Sound Speaker Magnet Ring Assembly

    Attributes of Samarium Cobalt Material
    High resistance to demagnetization
    High energy (magnetic strength is strong for its size)
    Good temperature stability
    Expensive material (cobalt is market price sensitive)
    Excellent corrosion resistance

    RING MAGNET:
    General size range: OD: 1.5 – 160mm, ID: 0.5 – 150mm, H: 0.3 – 150mm
    Max Ring: OD160 x ID150 × H50mm( Large OD/H ratio), OD60 x ID40 x H150mm(Large H/OD ratio)
    Min Ring: OD1.5 x ID0.5 x H0.3mm
    Note: For large rings, too thin thickness or wall thickness is not allowed, because the great brittleness of SmCo easily causes fracture when assembling. Please contact technical support for details.

    High Grade Rare Earth Ring SmCo Headphone Magnets

    High Grade Rare Earth Ring SmCo Headphone Magnets

    The Role Of Magnets In Headphones
    Magnets play a huge role in most headphones. This is because most headphones require a magnetic field for the driver to function properly.
    The headphone driver is the key transducer component that turns the electrical audio signals into sound waves for our enjoyment (or displeasure). The simple fact is that most headphone drivers rely on magnets to effectively convert energy.
    The role of magnets is to produce a permanent magnetic field that will attract and repulse the electrically charged diaphragm or the conductor that is controlling the diaphragm.
    So to answer the question shortly, magnets are required if the diaphragm of a dynamic headphone is to move and produce any sound. Heat Resistant Samarium Cobalt Ring Magnet for Industry

    Magnetic properties of Custom Shape SmCo:

    Material Code Remanence Br Coercivity Force Intrinsic Coercivity Maximum Energy Curie Maximum Operating
    Force Product Bhm Temperature Temperature
    Br bHc iHc (BH)max TC TW
    T KGs KA/m KOe KA/m KOe KJ/m 3 MGOe ° C ° C
    Sintered
    YX-18 0.85-0.9 8.5-9.0 620-648 7.8-8.2 1194-1513 15-19 127-143 16-18 750 250
    SmCo1: 5 YX-20 0.92-0.96 9.2-9.6 653-717 8.2-9.0 1194-1513 15-19 150-167 19-21 750 250
    YX-24 0.96-1.0 9.6-10.2 730-770 9.2-9.7 1194-1513 15-19 175-190 22-24 750 250
    YXG-24 0.95-1.02 9.5-10.2 637-732 8.0-9.2 1433-1990 18-25 175-190 22-24 800 350
    smCo2: 17 YXG-26 1.02-1.05 10.2-10.5 748-796 9.4-10.0 1433-1990 18-25 195-215 24-26 800 350
    YXG-28 1.05-0.08 10.5-10.8 756-796 9.5-10.0 1433-1831 18-25 205-220 26-28 800 350
    YXG-28B 1.02-1.10 10.2-11.0 420 5.2-5.6 440-520 5.5-6.5 205-220 26-28 800 350
    YXG-30 1.08-1.10 10.8-11.0 780 9.8-10.5 955-1195 18-25 220-240 28-30 800 350
    YXG-30B 1.08-1.15 10.8-11.5 420 5.2-5.6 440-520 5.5-6.5 220-240 28-30 800 350
    Bonded
    Yb-6 0.4 4.0 280 3.5 800 10 30-50 4-6 120
    smCo1: 5 Yb-10 0.5 5.0 320 4.0 800 10 50-65 6-8 120
    YbG-10 0.6 6.0 360 4.5 800 10 65-80 8-10 120
    smCo2: 17 YbG-12 0.7 7.0 400 5.0 800 10 85-95 10-12 120
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