Magnet classification

Magnets can be grouped into permanent magnet and magnetic plate， Permanent magnet may be a natural product, known as lodestone, also be made artificially produced (the strongest magnets are neodymium magnets). The non-permanent magnet, and only under certain conditions be magnetic, usually in the form of an electromagnet to produce, i.e. the use of electric current to strengthen the magnetic field. Soft magnetic core including silicon and soft; hard magnetic including aluminum, nickel and cobalt, samarium cobalt, ferrite and NdFeB, of which, the most expensive is samarium cobalt magnet, the cheapest is a ndfeb magnets, NdFeB magnets are the highest performance, but the performance is the most stable, best temperature coefficient is alnico, the user can select different hard magnetic products according to different needs.We are talking about magnets, generally refers to the permanent magnets

Magnet species

Motorcycle turn the magnets, hook magnets，electric cars turn the magnet, toys magnet, belt buckle magnet, door holder magnet, lamp magnet, magnet boxes, mobile magnet, leather magnets, buttons magnet magnetic shielding ring, ring card stock, notebook ring, cylinder ring, motorcycle lock ring, electric car ring, glasses box magnet, cosmetic magnets, stationery magnets, wine magnet, curtains magnet fishing magnet toy, magnetic toys, remote control toys, magnets,bullet magnet anti-theft locks magnet, car magnet high temperature, mechanical magnet injection magnet, strong magnet electrical, electromagnetic induction magnet

Features magnets

  By powder metallurgy production, low residual magnetism, reply small magnetic permeability. Coercivity larger, anti-magnetic ability to strong,magnetic plate separator  especially suitable for use as a dynamic operating conditions of magnetic structure. Hard and brittle materials can be used for diamond cutting tools. The main raw materials are oxides, it is difficult to corrosion. Working temperature: -40 ℃ to + 200 ℃.
Divided into anisotropic ferrite magnets (anisotropic) and isotropic (isotropic). Other magnetic isotropic sintered ferrite permanent magnet materials can weak, but can be magnetized in different directions magnet; anisotropic sintered ferrite permanent magnet material with strong magnetic properties, but only along the magnet predetermined magnetization direction magnetization.

The difference between NdFeB magnet and Ferrite magnets

NdFeB magnets because of their strong magnetism, in many applications the magnet occupies a dominant position, it is the difference between ordinary ferrite magnets is relatively obvious.
      Ferrite magnet is a ferromagnetic metal oxide.magnetic plate separator On the electrical characteristics, the ferrite resistivity than metal, alloy magnetic material is much greater, but also a higher dielectric properties. Magnetic ferrite can also have a higher performance at high frequency permeability. Thus, a wide range of high-frequency ferrite has become weak areas of use of non-metallic material. Belonging to the non-metallic magnetic material is iron oxide and other oxides of one or more metal composite oxide (positive or ferrite). 800-1000 Gauss magnetic force generally, often used in speakers, speakers and other equipment.

Ferrite permanent magnet material

1. Alnico magnet is an alloy of aluminum, nickel, cobalt, iron and other trace metal elements. Casting process can be processed into different sizes and shapes, very good processability. Magentic drawer Cast aluminum nickel and cobalt permanent magnet has a low reversible temperature coefficient, working temperature up to 600 degrees Celsius. Alnico magnet products are widely used in various instruments and other applications.
2. Samarium cobalt (SmCo) on the basis of different components into SmCo5 and Sm2Co17. Because of its materials are expensive and their development is limited. Samarium cobalt (SmCo) as a rare earth permanent magnet, not only has a higher energy product (14-28MGOe), reliable coercive force and excellent temperature characteristics. Compared with NdFeB magnets, SmCo magnet is more suitable for working in high temperature environments.

magnet is more suitable

1. NdFeB magnets which is found in the commercialization of the highest performance magnets, known as magnetic king, have extremely high magnetic its biggest energy product (BHmax) higher than the ferrite (Ferrite) more than 10 times. Machining performance itself is also very good. Operating temperature up to 200 degrees Celsius. And its hard, magnetic grate separator stable performance, good price, so its application is extremely broad. But because of its chemical activity is very strong, it must deal with its surface coating. (E.g. plating Zn, Ni, electrophoresis, passivation, etc.).
2. It is the main raw materials include ferrite magnets BaFe12O19 and SrFe12O19. Manufacturing method made by ceramic technology, texture rather hard, is a brittle material, since the ferrite magnets have good temperature resistance, low cost, moderate performance, has become the most widely used permanent magnets.

MAG magnetic separation reality advantages

Cyclones larger than 1-3 microns is suitable for the purification of non-sticky, non-fibrous dry dust. MAG magnetic grate separator is a simple structure, easy operation, high temperature, equipment costs and resistance (80 to 160 mm of water) purification equipment, purification equipment Cyclones in the most widely applied. Improved cyclone in the portion of the device can replace the exhaust filter device.