Shenzhen Yuanyi Primagnet Technology Co.,Ltd.

行业应用 · 合作开发 Provide professional magnet customization solutions based on customers' personalized needs

Electric vehicles require high torque density, high operational reliability, and excellent torque control capabilities in their drive systems. Consequently, NdFeB magnets must possess high magnetic energy product, high coercivity, and high operating temperature. Since these two trade-offs are in conflict, a compromise is necessary. NdFeB magnets with a grade of around N42 are generally used in automotive motors. By adding the rare metal dysprosium, the operating temperature can be raised to around 400°C, meeting automotive requirements. Trials conducted by European, American, and domestic automotive companies have confirmed that domestic NdFeB magnets meet the technical requirements. All is in place, pending orders. Hitachi Metals has collaborated extensively with Japanese automakers such as Toyota...

Electroacoustic applications

About 15% of the rare earth magnets used in electroacoustic devices are for manufacturing electroacoustic components. For example: speakers,

Home appliances field

Magnets are also used in many household appliances. It is well known that most of our kitchen appliances contain DC motors, and electric toothbrushes are no exception.

Consumer electronics

With the rapid development of technology, magnets are increasingly used in communication consumer electronics, represented by mobile phones.

Mechanical field

A conductive coil is wound around the outside of the iron core, matched to its power. This coil, which carries current, has magnetic properties similar to a magnet, and is also known as an electromagnet. We usually make it in a bar or U-shape to make it easier for the iron core to be magnetized. Additionally,

Medical field

It acts on the human body to correct its magnetic field, enhances the bioelectromagnetic energy of the meridians, promotes the flow of Qi, thereby achieving the unblocking of meridians, increasing blood and oxygen supply to the brain, reducing the excitability of the peripheral nerves in the cerebral cortex, enhancing blood and oxygen supply to organs such as the lungs, spleen, liver, and perianal areas, promoting local blood circulation and venous return, decreasing capillary permeability, facilitating the absorption and dissipation of inflammation, and producing effects that promote the metabolism of bone and joint tissues, induce sleep, reduce inflammation and pain, calm the mind, invigorate blood circulation, and alleviate anxiety.

Motor Applications

There are many components using magnets in electric motors, so there are also many types of magnets involved, such as rare earth neodymium iron boron magnets, ferrite magnets, samarium-cobalt permanent magnets, and rubber magnets. These materials will be used, as well as magnetic components made from these magnet materials. Applications include: VCM, CD/DVD-ROM, generators, electric motors, servo motors, miniature motors, and vibration motors.

Instrumentation and Measurement Applications

The damping torque is produced by the aluminum frame winding the coil. When the aluminum frame moves in the magnetic field, the closed aluminum frame cuts through the magnetic field lines, generating an induced current ie. This eddy current interacts with the magnetic field to produce an electromagnetic damping torque Ma. Clearly, the direction of the damping torque is opposite to the direction of the aluminum frame's motion, thus allowing the pointer to stop quickly at the reading position. Of course, the coil on the aluminum frame will also form a closed circuit with the external circuit, which will similarly produce a damping torque.

Smart Home

Magnets are also used in many electronic appliances and smart home devices. Most kitchen appliances contain DC motors, including small electric toothbrushes. Most smart appliances require small DC motors for operation, which in turn need small neodymium magnets. Small magnets are also used in door locks, fire doors, premium kitchen doors, smart curtains, and more.

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Characteristics and precautions of magnetic transmission wheels

Dust free environment: By using magnetic force, products can be transported in a vacuum that requires a dust-free environment through torque transmission in a non-contact state.

How to determine the quality of neodymium iron boron magnets?

Neodymium iron boron magnet is a permanent magnet with excellent magnetic properties and a wide range of applications. Below, I will teach you how to judge the quality of neodymium iron boron magnets?

What are the advantages of NdFeB magnets compared to other magnets?

Neodymium iron boron magnets are a type of tetragonal crystal formed from neodymium, iron, and boron (Nd2Fe14B) and possess extremely strong magnetic properties. NdFeB magnets offer significant advantages over other magnets, primarily in the following areas: 1. Excellent and Strong Magnetic Properties: NdFeB magnets possess exceptionally high magnetic properties, with a BHmax value 5-12 times that of ferrite magnets and 3-10 times that of alnico magnets. This superior magnetic performance enables them to lift objects hundreds of times their own weight, meeting the demands of various high-magnetic-field applications. High Coercivity: NdFeB magnets also possess an exceptionally high coercivity, meaning they are extremely stable and can maintain high magnetic field strengths even under extreme conditions. This stability makes them particularly suitable for...

What are the main advantages of neodymium iron boron magnets?

Neodymium iron boron magnets have advantages such as high magnetic performance, excellent corrosion resistance, high temperature resistance, easy processing, environmental protection, and high cost-effectiveness, and have therefore been widely used in various fields.

Magnets require mold manufacturing, and there are ready-made molds for ordinary specifications. If special shapes are needed, advance notice should be given as mold manufacturing takes time. Magnet is a hard sintered product that is economical and durable. The residual magnetic flux density is determined by size ratio and shape. When designing, it is necessary to first know the size ratio, magnetic direction, and specific usage information.

What are the related knowledge of alien magnets?

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十余年磁铁行业研发经验

厂家源头把关产品质量

独特设计 量身定制解决方案

独特设计量身定制解决方案