FIELD: electrical engineering.
SUBSTANCE: claimed rotor is made with an embedded permanent magnet and includes a layered core with steel sheets laminated on top of each other and a bonding layer for bonding steel sheets adjacent to each other in the lamination direction. The magnet is embedded in a layered core. When the rotor rotates at 11,000 rpm, the maximum amount of displacement of the outer edge of the laminated rotor core in the radial direction is 0.1 mm or less. The claimed rotor is used in the electric motor of the vehicle.
EFFECT: minimization of deformation of the outer shape of the rotor at high speed.
5 cl, 14 dwg, 2 tbl
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