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    Neodymium Ring Magnet Description

    Neodymium ring magnets are disc magnets or cylinder magnets with a plain hole through the center of the magnet. Neodymium (Neo or NdFeB) magnets are permanent magnets and part of the rare-earth magnet family. Neo magnets have the highest magnetic properties and are the most powerful commercially available magnets today. Because of their magnetic strength, neodymium ring magnets are the preferred choice for many consumer, commercial, and technical applications.

    Stanford Magnets specializes in manufacturing and supplying neodymium ring magnets applied in various industrial applications. We have advanced technology, rich experience, and professional engineering technicians in this field.

    Looking for a certain size? If you require a specific size that is not available on our website, please contact us for a custom magnet quote.

    Neodymium Ring Magnet Specification

    Product Name: Permanent Neodymium Ring Magnet

    Material: Neodymium Magnets

    Dimension: Standard or customized

    Coating: Silver, Gold, Zinc, Nickel, Ni-Cu-Ni. Copper etc.

    Shape: Neodymium ring magnet or customized NdFeB magnet shape

    Magnetization Direction: Thickness, Length, Axially, Diametre, Radially, Multipolar

    Inner Packaging: as your request

    Neodymium Ring Magnet Application

    Neodymium ring magnets are being designed into a new generation of motors, generators, hydraulic cylinders, pumps & sensors. They also remain popular in high-end loudspeakers & high-intensity separators.

    Neodymium Ring Magnet Warning

    1. Don’t swallow, This product contains a small magnet, Swallowed magnets can stick together across the intestines causing serious or fatal injury, Seek immediate medical attention if magnets are swallowed or inhaled.
    2. Don’t put them in the nose or mouth which are so super strong, And must be kept far away from Children.

    FAQ

    What are neodymium ring magnets?
    Neodymium ring magnets are powerful permanent magnets made from an alloy of neodymium, iron, and boron. They have a central hole and are shaped like a ring, combining the strong magnetic properties of neodymium magnets with a convenient form factor for various applications.
    How strong are neodymium ring magnets?
    The strength of neodymium ring magnets depends on their size, grade, and the specific alloy composition. They are among the strongest types of permanent magnets available, capable of producing significant magnetic force relative to their size.
    What are the common uses of neodymium ring magnets?
    Common applications include use in electric motors and generators, speakers and microphones, magnetic bearings and couplings, sensors and actuators, and in various holding, mounting, and decorative projects where a central hole for mounting or threading is beneficial.
    Can neodymium ring magnets be used outdoors?
    Yes, but their resistance to outdoor conditions depends on their coating. Coatings like nickel, zinc, or epoxy can protect the magnet from corrosion caused by moisture and other environmental factors. Epoxy coatings offer the best protection for outdoor or humid environments.
    How do you handle neodymium ring magnets safely?
    Handle neodymium ring magnets with care to avoid sudden impacts or pinching fingers between them and another magnet or metal object. Use appropriate safety equipment, like gloves, and keep them away from sensitive electronic devices and magnetic storage media to prevent damage.
    Do neodymium ring magnets lose their magnetism over time?
    Under normal conditions, neodymium ring magnets maintain their magnetism for decades. However, they can be demagnetized by exposure to high temperatures, strong demagnetizing magnetic fields, or physical damage.
    Can neodymium ring magnets affect electronic devices?
    Yes, the strong magnetic fields of neodymium ring magnets can potentially interfere with or damage electronic devices and magnetic storage media. It's advisable to keep a safe distance between magnets and sensitive electronic equipment.
    Are neodymium ring magnets coated?
    Neodymium ring magnets are typically coated to prevent corrosion. Common coatings include nickel, zinc, and epoxy, which protect the magnet from environmental damage and extend its usable life.
    How do I choose the right neodymium ring magnet for my project?
    Consider the required magnetic strength, the environmental conditions the magnet will be exposed to, the size of the central hole needed for your application, and the overall size and thickness of the magnet. The grade of the magnet (which indicates its strength and temperature resistance) and the type of coating should also match your specific requirements.
    How are neodymium ring magnets manufactured?
    The manufacturing process involves melting the raw materials, casting the alloy, pulverizing it into a fine powder, pressing the powder in a magnetic field to align the particles, sintering the compacted alloy to fuse the particles, machining it into the ring shape, and finally, applying a protective coating. The magnets are magnetized after they are fully processed.

    Protocols and articles

    Related Articles
    3 Types of Neodymium Magnets You Might Not Know
    How Are Sintered NdFeB Magnets Made?
    Coatings for Sintered NdFeB Magnets
    Why Is NdFeB Magnet Coated with Parylene?
    Mechanical Properties of Sintered NdFeB Magnets
    The Development of the NdFeB Magnet Industry
    What Are Neodymium Magnets Made Out Of?

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