Shanghai Young Magnet Co. Ltd.: Your Professional Sintered NdFeb Magnets Supplier！
Shanghai Young Magnet Co. Ltd.has an excellent reputation as China’s best magnet purchasing agent with over 20 years of industry experience. We provide one-stop purchasing services, without you having to worry about payment, negotiation, quality inspection, consolidation, shipment and other links.
Rich Experiences
Founded in 2001, our growing R&D team currently consists of 20 technical engineers dedicated to providing proactive and forward-thinking support to our customers, leading product development and innovation to better serve the current market. Our main markets include America, Europe, Middle East, Korea, Japan, Hong Kong, Taiwan and China. The company’s cooperative customers include Audi, LG, Samsung, Panasonic, Hitachi, etc.
Strong Production Capability
Based in Shanghai, we integrate research, development, production, and sales of new materials. Our annual output includes 800 tons of NdFeB magnets and 6000 tons of ferrite magnets, along with Alnico, SmCo, and plastic rubber magnets.
Complete Qualifications
We specialize in Permanent Sintered Neodymium-Ferrum-Boron (NdFeB) magnets, Samarium-Cobalt (SmCo) magnets, Aluminum-Nickel-Cobalt (AlNiCo) magnets, and related assemblies, all ISO9001 and SGS certified.
After-Sales Services
We provide comprehensive after-sales support, including troubleshooting, repair services, and customer assistance, ensuring satisfaction even after purchase.
Brief Introduction to Sintered NdFeb Magnets
Sintered NdFeB magnets are the most powerful permanent magnets currently available, made from neodymium iron boron (Nd-Fe-B) through a sintering process. They are third generation rare earth magnets developed in the 1980s and are a cost-effective option compared to other magnets because they are made from the abundant rare earth element neodymium and inexpensive iron.
The NdFeB permanent magnet material is a permanent magnet material based on the intermetallic compound ND2FE14B. The main components are rare earth (ND), iron (FE), and boron (B). The boron content is small, but plays an important role in forming a tetragonal crystal structure intermetallic compound, so that the compound has high saturation magnetization, high uniaxial anisotropy and high Curie temperature.
Manufacturing process
The sintered NdFeB magnet material adopts a powder metallurgy process, and the smelted alloy is made into a powder and pressed into a preform in a magnetic field, and the compact is sintered in an inert gas or a vacuum to achieve densification, in order to improve the coercive force of the magnet. It is usually necessary to perform an aging heat treatment.
Application
Sintered NdFeB magnet materials have excellent magnetic properties and are widely used in electronics, electric machinery, medical equipment, toys, packaging, hardware machinery, aerospace and other fields. More common permanent magnet motors, speakers, magnetic separators, Computer disk drives, magnetic resonance imaging equipment, and the like.
Our factory is one of the best manufacturers and suppliers in China. We have quality Sintered NdFeb Magnets for sale. Welcome all the buyers around the world to contact with us.
What is Square Rare Earth Magnets?
Square rare earth magnets are at the forefront of modern magnet technology, delivering superior performance and unparalleled strength compared to conventional magnets. These magnets are composed of rare earth elements such as neodymium, which provide exceptional magnetic properties.
Benefits of Square Rare Earth Magnets
Superior Magnetic Strength
Powerful rare earth magnets are known for their powerful magnetic fields, which are significantly stronger than those produced by traditional ferrite or ceramic magnets. This superior strength allows for more compact and efficient designs in various applications.
High Resistance to Demagnetization
These magnets possess excellent resistance to demagnetization. Unlike other types of magnets, rare earth magnets maintain their magnetic properties even under high-stress conditions and exposure to external magnetic fields.
Temperature Stability
Powerful rare earth magnets perform reliably across a wide temperature range. They are specifically designed to maintain their magnetic strength and performance in both high and low-temperature environments, making them suitable for a variety of industrial applications.
Versatility in Design
The square shape of these magnets provides versatility in design and application. They can be easily integrated into different systems and components, offering flexibility for engineers and designers to create more efficient and innovative products.
Durability and Longevity
Made from high-quality materials, square rare earth magnets are built to last. They offer long-term reliability and durability, which translates to cost savings over time due to reduced need for replacement and maintenance.
Versatile Uses
These square magnets are great for holding, lifting, organizing and securing objects. Whether you need to hang artwork, organize tools or secure cabinet doors, our magnets offer a reliable solution.
How To Choose Square Rare Earth Magnets?
Size And Shape
The magnet’s properties can vary depending on its size and shape. You’ll want to make sure it fits in the space you need it to, and that it’s not too thick or thin. Square magnets can be better than other shapes because they have large surfaces that are easy to see, but they can also have sharp corners that could be dangerous.
Magnetic Properties
You can consider things like coercivity, remanence, energy product, and curie temperature. For example, neodymium magnets have higher remanence and energy products, while samarium-cobalt magnets are better for coercivity and Curie temperature.
Other Considerations
You can also think about where you’ll be using the magnet, such as indoors or outdoors, and whether the surface it’ll be on is rough, flat, smooth, or porous. You might also want to consider the magnet’s coating, such as rubber, which can make it more durable and resistant to liquids and chipping.
Holding
Rare earth magnets can be used to hold, clamp, and secure objects in manufacturing, woodworking, and metalworking. For example, you can use them to hang artwork, organize tools, or secure cabinet doors.
Organizing
Rare earth magnets can be used to hold notes, photos, and documents on magnetic surfaces in your home or office.
DIY Projects
Rare earth magnets can be used to make magnetic latches, closures, and other creative projects. For example, you can embed a magnet in a piece of wood to create a “key” to pull out a pin that opens a secret compartment in a drawer.
Crafts And Hobbies
Rare earth magnets can be used to make unique jewelry, fridge magnets, or educational projects.
Sensors
Rare earth magnets can be used in sensors, such as passive ABS sensors in vehicles that use neodymium magnets wrapped in copper coils to monitor wheel speed.
What is Strong Neodymium Disc Magnets?
Neodymium (also known as “NdFeb”, “NIB” or “Neo”) disc magnets are the most powerful rare-earth magnets available today. Available in disc and cylinder shapes, Neodymium magnets have magnetic properties that far exceed all other permanent magnet materials. They are high in magnetic strength, moderately priced and able to perform well in ambient temperatures. As a result, they are the most widely-used Rare-Earth magnets for industrial, technical, commercial and consumer applications.
Benefits of Strong Neodymium Disc Magnets
Strongest Magnets
Neodymium magnets are the strongest permanent magnets available. They have a high magnetic field strength, which allows them to generate strong magnetic forces even at a small size. This makes them ideal for applications that require strong magnetic fields.
Compact Size
Neodymium magnets have a high energy density, which means they can store a lot of magnetic energy in a small volume. This small size is suitable for saving space in a variety of applications where size and weight are critical.
Versatility
Neodymium magnets can be made into different shapes and sizes, including blocks, disks, rings, etc. The versatility of their shape and magnetization direction allows them to be used in a wide range of applications.
Wide Temperature Range
Neodymium magnets can withstand higher operating temperatures than other types of magnets. They can exhibit excellent magnetic properties even at high temperatures, making them ideal for applications involving high temperature environments.
Magnetic Stability
Neodymium magnets have excellent magnetic stability, which means they can maintain their magnetism for a long time. They are highly resistant to demagnetization, ensuring long-term performance and reliability.
Wide Range Of Applications
Neodymium magnets are widely used in a variety of industries and technologies. Some common applications include electric motors, generators, magnetic separators, magnetic resonance imaging (MRI) machines, audio equipment, magnetic jewelry clasps, magnetic therapy, and many more.
Improved Efficiency
Because neodymium magnets have a strong magnetic field, they can improve the efficiency of electric motors and generators. They provide greater power output, which improves performance, reduces energy consumption, and increases overall efficiency.
Precise Control
Neodymium magnets have a strong magnetic force that allows for precise control of the magnetic field. This makes them suitable for applications that require fine-tuning and precise positioning of the magnetic field, such as scientific experiments, sensors, and actuators.
How to Store Strong Neodymium Disc Magnets
1.Do not store neodymium magnets in a humid environment to prevent oxidation, which may cause changes in appearance, physical properties and magnetic performance.
2.Do not place neodymium magnets near floppy disks, hard disks, credit cards, tapes, debit cards, TV picture tubes, etc. If neodymium magnets are close to magnetic recorders and other devices, they will affect or even destroy the recorded data.
3.Neodymium magnets are very easy to attract various iron-containing dusts. If neodymium magnets attract other substances or dust, it is not only difficult to clean, but also easy to affect the corrosion resistance and surface gloss of the product. Therefore, neodymium magnets should be stored in a dust-free and dry environment.
4.Larger neodymium magnets must be kept at a safe distance from each other. Colliding two magnets may be dangerous and may also cause both magnets to break and be scrapped.
5.For larger neodymium magnets, plastic or cardboard spacers should be added between each piece to ensure that the magnets can be easily separated.
6.Be careful when handling and storing strong NdFeB magnets, as the magnets will stick to themselves and may pinch your fingers.
What is Plastic-Bonded-Magnets?
Plastic bonded permanent magnets consist of a plastic matrix (polyamide or epoxy) and a powdered magnetic material embedded in the matrix. NdFeB, SmCo and ferrite are the most commonly used permanent magnet powders. The magnetic and mechanical properties of plastic bonded magnets depend on the material composition and the choice of manufacturing process. A major advantage of plastic bonded magnets is the wide variety of molding possibilities for the magnets.
Durable
Bonded magnets are suitable for multi-pole magnetization and have a high temperature resistance of up to 180°C. The high temperature resistance of plastic bonded magnets is limited by the binder used. They can be manufactured in isotropic and anisotropic qualities and have a high corrosion resistance.
Widely Used
Plastic bonded magnets are used not only in small motors but also in probes and sensors, especially in the automotive industry.
Types of Plastic-Bonded-Magnets
Injection-Molded
These magnets have a low plastic content and can have higher magnetic properties than pressed magnets. The plastic powder content can range from 84–94% by weight, and the magnets can be made from thermoplastic plastics like PA6, PA12, or PPS. The injection molding process can also allow for precise shaping and alignment of the magnets.
Pressed
These magnets have a plastic content of about 10–20% by volume and are made from a thermosetting plastic matrix, such as epoxy resin. Pressed magnets can have higher magnetic properties than injection-molded neodymium magnets because they contain a higher proportion of NdFeB powder.
What is Neodymium Magnets?
Neodymium magnets, also known as NdFeB magnets or rare earth magnets, are powerful permanent magnets made from a combination of neodymium, iron, and boron. They are the strongest type of magnet currently available, with a magnetic field averaging about 1.4 Tesla, which is about 20 times stronger than conventional magnets.
Features of Neodymium Magnets
Known for their extraordinary magnetic strength, neodymium magnets have the highest magnetic energy product, surpassing conventional magnets such as ferrites or alnico magnets.
Another key advantage is their high energy density, which enables them to produce strong magnetic fields in a relatively small volume.
NdFeB magnets are versatile in both design and application and can be easily formed and magnetized into a variety of configurations to meet specific requirements.
Neodymium magnets are corrosion-resistant, which means you don’t have to replace them as often. This reduces maintenance costs while increasing the reliability of the motor.
Application of Neodymium Magnets
Consumer Electronics
Neodymium magnets have revolutionized the consumer electronics industry, enabling the development of smaller, sleeker, and more powerful devices. They are commonly used in smartphones, laptops, headphones, and speakers. The small size and strong magnetic field of neodymium magnets help improve performance, enhance sound quality, and reduce device size.
Motors and Generators
NdFeB magnets are widely used in motors and generators. Their high magnetic strength enables more efficient energy conversion, which improves motor performance, increases torque, and reduces energy losses. From electric vehicles to industrial machinery, neodymium magnets play a vital role in driving the transition to cleaner, more efficient power systems.
Magnetic Separators
The strong magnetic fields produced by neodymium magnets make them very effective in magnetic separation applications. These devices are widely used in industries such as mining, recycling, and waste management to separate magnetic materials from non-magnetic materials. The high efficiency and precise separation of neodymium magnets helps improve resource recovery and recycling processes.
Medical Devices and Imaging
In the medical field, these strong magnets are used in a variety of devices. Magnetic Resonance Imaging (MRI) machines, for example, rely on strong magnetic fields to produce detailed images of the internal structures of the human body. Neodymium magnets play a vital role in these devices, helping to achieve accurate imaging and diagnosis. In addition, due to their small size, light weight, and high magnetic field strength, these magnets are also used in medical devices such as hearing aids, dental instruments, and prosthetics.
Renewable Energy Technologies
The renewable energy industry has benefited greatly from neodymium magnets. They are wind turbines, where they are used in generator systems. Neodymium magnets enable efficient power generation by converting the kinetic energy of wind into electrical energy. Their high magnetic strength allows generators to be smaller and lighter, helping to develop more efficient and cost-effective wind energy systems.
Aerospace and Defense
NdFeB magnets have a wide range of applications in the aerospace and defense industry. They are used in radar systems, navigation equipment, magnetic levitation systems, and various other aerospace components. The strong magnetic fields generated by neodymium magnets help achieve precise positioning, sensing, and control in critical applications.
Frequently Asked Questions
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