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How to choose the price of permanent magnet

The production of high temperature resistant permanent magnet magnet factory introduces to you what role you should choose before choosing a magnet. Including the content of the magnet and its main function: moving objects, fixing objects or lifting objects.

Shape: disc shape, circular ring, square shape, tile shape or special shape.


Dimensions: length, width, height, diameter and tolerance, etc.

Required suction, expected price and quantity, etc.

High temperature resistant permanent magnet magnets include silicon steel sheets and soft magnet cores; hard magnets include aluminum nickel cobalt, samarium cobalt, ferrite and neodymium iron boron, among which the more expensive is samarium cobalt magnetic steel and the cheaper is ferrite Steel, the higher performance is neodymium iron boron magnetic steel, but the performance is relatively stable, and the temperature coefficient is good is aluminum nickel cobalt magnetic steel, you can choose different hard magnetic products according to different needs.

The definition of magnet performance mainly includes the following three performance parameters to determine the performance of the magnet: Remanent magnet Br: After the permanent magnet is magnetized to technical saturation, and the external magnetic field is removed, the remaining Br is called residual magnetic induction.

Coercive force Hc: The B of the permanent magnet that is magnetized to technical saturation is reduced to zero. The strength of the reverse magnetic field to be added is called the magnetic coercive force, which is simply referred to as the coercive force.

Magnetic energy product BH: represents the magnetic energy density established by the magnet in the air gap space (two magnetic spaces), that is, the static magnetic energy per unit volume of the air gap. Because this energy is equal to the energy product of the magnet.

The product of Bm and Hm, so it is called the magnetic field: it is a space that acts on magnetism.

Surface magnetic field: the magnetic induction intensity at a specified position on the surface of the permanent magnet.

Xiamen Everbeen Magnet Co., Ltd. is a professional R & D, production and sales enterprise. The main production and marketing of isotropic rubber magnets (magnetic products); the company's leading products with high technology content: a variety of specifications and high-performance magnetic bar, tile, square, round, ring, cutting, high temperature resistant and other powerful magnets. It is widely used in motors, electronics, electrical appliances, toys, health care and other fields. At the same time, it also has technical experience and equipment in the production of large square magnet, large ring magnet, cutting magnet, etc.

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