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Powerful magnet motor market prospect and future development direction of _ ndfeb strong magnet manufacturers

by:Newland     2020-04-04
Motor and permanent magnet brushless motor powerful magnets, after development for two consecutive years, 2020 market prospects will be how, everything is unknown, the permanent magnet with strong magnet brushless motor relationship is like a person, permanent magnet powerful magnets like a person's heart, brushless motor drive like people's nerves, control of the brushless motor, so, from the perspective of the structure of brushless motor, important parts is the permanent magnet powerful magnets and drive controller. Most current motor manufacturers have made motor magnets and ndfeb magnet motor magnets. Made of permanent magnet motor magnet ndfeb magnet motor size is small, light weight, torque - Inertia ratio is high, the servo system has high response, high power/weight ratio and rate, high starting torque, saves the electricity. A few motor manufacturers also use samarium cobalt magnet and permanent magnetic ferrite magnet motor. The shape of the magnet motor magnets and motor is mostly tile type, circle or trapezoid, can be used for different motor motor, such as permanent magnet motor, ac motor, dc motor, linear motor, brushless motor, etc. People often use magnetic attraction and repulsion to drive, generally choose the magnetization of the radial symmetry to Mosaic tile type magnet ring, sintered ndfeb is anisotropic material, not a molding to make customers want a little more complex direction of magnetization. At present, there is also a manufacturer also can be sintered ndfeb magnet magnetization, radiation type but have restrictions on size grades, and magnetic can unstable, consistency is very bad, and the mold coil and magnetizing fixture were expensive, so very few manufacturer will choose it. Currently, no wheel is home and abroad, the demand of motor motor magnets are very large, the magnet is its core component, in micro motors, small and medium-sized motor and large generator, a lot of ndfeb permanent magnet materials. Ndfeb permanent magnet motor without excitation spool and the core, to achieve the same air-gap magnetic field, the magnet volume compared with the original magnetic pole position of small, no heat loss. Therefore, in order to get the same output characteristic, the volume of the whole machine, can reduce weight a lot; Or the same volume, weight, output power can be increased a lot.
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