1, the concept: Magnetic Bearings (MagneticBearing) is the use of magnetic force to the rotor suspended in the air, the rotor and stator without mechanical contact. 2, the principle: the magnetic induction line and maglev line into a vertical axis and Maglev line is parallel, so the weight of the rotor is fixed in the orbit of the operation, the use of almost unloaded shaft to the direction of the anti-maglev line support, The formation of the entire rotor dangling, in a fixed orbit. 3, the advantages: Compared with the traditional ball bearings, oil-bearing, the magnetic bearing does not exist mechanical contact, the rotor can run to high speed, with mechanical wear and tear, low energy consumption, low noise, long life, no lubrication, no Oil pollution, etc., especially for high-speed, vacuum, clean and other special environment. 4, magnetic levitation is in fact just an auxiliary function, not a separate form of bearing, the specific application may have to cooperate with other forms of bearings, such as magnetic levitation + ball bearings, magnetic levitation + oil bearing, maglev + vaporization bearings and so on.
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