How much do you know about the advantages and disadvantages of permanent magnet motors

Permanent magnet motors use permanent magnets to generate the magnetic field of the motor, without the need for excitation coils and excitation current; with high efficiency and simple structure, it is a very good energy-saving motor, with the introduction of high-performance permanent magnet materials and the rapid d ... + Read more

How does motor work?

Why the motor will rotate as long as it is powered on, why there are magnets and coils in the motor. This video visually explains the transformation relationship between electricity and magnetism, and how to drive the motor to rotate through the connection between electromagnetism: Please enable JavaScript.fp ... + Read more

What is rare earth permanent magnetic powder

What is rare earth permanent magnetic powder? Rare earth permanent magnet powder is a common form of material existence. It is a powder aggregation composed of rare earth permanent magnet particles of a certain size. The quantitative change of the size, morphological structure and surface state of rare earth perm ... + Read more

What is a permanent magnet motor?

What is a permanent magnet motor? Permanent magnet motor uses permanent magnet to generate the magnetic field of the motor, without excitation coil or excitation current, with high efficiency and simple structure, it is a good energy-saving motor. With the advent of high-performance permanent magnet materials and ... + Read more

Problems related to magnets

Magnetic materials are closely related to our life. From the most ordinary refrigerator refrigeration to high-end magnetic levitation, they are all inseparable. So, let’s learn about this magical material. 1. Why is a magnet magnetic? Most substances are composed of molecules, which are composed of atoms, whi ... + Read more

Perspective and Prospects for Rare Earth Permanent Magnets

Rare earth permanent magnets constitute a mature technology, but the shock of the 2011 rare earth crisis led to the re-evaluation of many ideas from the 1980s and 1990s about possible new hard magnets containing little or no rare earth (or heavy rare earth). Nd–Fe–B magnets have been painstakingly and ... + Read more

Product quotation needs to know

Please provide the following data: 1. What material and performance? 2. Product specifications and tolerances 3. Do you want to magnetize? In which way, axial? Radial? 4.What is the maximum temperature of the magnet working environment? 5.order quantity 6. Surface treatment? Galvanized, ... + Read more

Magnetic domain

Ferromagnetic materials acquire their magnetic properties not only because their atoms carry magnetic moments, but also because the materials are composed of small regions called magnetic domains. In each domain, all atomic dipoles are connected together in a preferred direction. This alignment develops as the materia ... + Read more

Diamagnetic, paramagnetic and ferromagnetic materials

When a material is placed in a magnetic field, the magnetic field force of the material’s electrons will be affected. This effect is called Magnetic Faraday’s law of electromagnetic induction. Materials will react differently to external magnetic fields. This reaction is dependent on many factors, such as ... + Read more

Magnetization direction of NdFeB magnets

Magnetization direction of disc Disk NdFeB magnets can be magnetized axially or radially. Axial magnetization Radial magnetization. Cases: Magnetization direction of NdFeB Length, width and thickness: square magnets are defined in three dimensions. It is consistent that we define ... + Read more

Magnet grade

NdFeB magnets come in different grades, such as N42, N52 or N42SH. What do these numbers mean? What are the characteristics of magnets involved in various grades?   What is the grade of a magnet? In general, higher numbers indicate stronger magnets. N52 has stronger magnetic force than ... + Read more

Magnet glossary

Conversion of common units of magnetic quantity Name of magnetic quantity Si symbols and units CGS symbols and units Unit conversion Magnetic flux Φ Weber (WB) Φ Maxwell (MX) 1Mx= ... + Read more

Industrial magnet

Rare earth is called industrial monosodium glutamate and has a wide range of uses. Industrial magnets can be divided into: alnico magnet, ferrite magnet, samarium cobalt magnet, neodymium iron boron magnet. Characteristic parameters of industrial magnets Characteristic Unit AlNiCo&n ... + Read more

How powerful is the neodymium magnet?

Magnets are the most common items in people’s real life. Magnets have a wide range of applications. They can be used in industry, manufacturing, and electronic products. Even the entire earth can be understood as a huge magnet. The magnetic north pole is It refers to the south pole of the earth, and the geomag ... + Read more

Surface treatment of sintered NdFeB magnets

In order to improve the corrosion resistance of the magnet and meet the specific surface condition requirements, the following surface treatment can be performed on the magnet according to the customer’s needs. According to the different application environments of permanent magnets, it can also provide a vari ... + Read more

Dimensional accuracy of sintered NdFeB magnet

The company has domestic advanced processing equipment, capable of processing various high-precision and difficult products such as squares, tiles, cylinders, and rings. If the customer has a higher demand for size, it can be determined after communication. Dimensional accuracy of sintered NdFeB magnet Cube p ... + Read more