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How to determine the function of powerful magnet? _ ndfeb strong magnet manufacturers

by:Newland     2020-04-01
Primary function has the following three parameters to determine the function of powerful magnets: remanence Br: after magnetization to technology, permanent magnet and remove the external magnetic field, keep the Br is called residual magnetic induction intensity. Coercive force Hc: make the magnetization to technology full of permanent magnet B down to zero, the demand of the reverse magnetic field intensity is called magnetic coercive force, Jane called coercive force magnetic energy product BH: represents the powerful magnets in the air gap space ( Two powerful magnet pole space) Set up by the magnetic energy density, air gap the magnetostatic energy per unit volume. Because of the energy is equal to the strong magnet Bm and the product of Hm, so called magnetic energy product. The effect of magnetic field: the magnetic pole attack space for the magnetic field is: appearance appearance a specified permanent magnet bearing of magnetic induction intensity how powerful magnets chosen? In selecting pick which should be clear before a powerful magnet needs strong magnet performance what kind of effect? First: the effect of a moving object, fixed object or lift. Required for the shape of a powerful magnet: wafer shape, circular, square shape, tiles form or shape. Powerful magnet specification required: long, wide, high, diameter and tolerance, and so on. Need powerful magnet suction, hope the price and quantity and so on.
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