| 简介 |
A magnet having a maximum energy product at 20 DEG C of 18 MGOe or more, and an extremely excellent magnetic performance is obtained. A magnet stable in the magnetic performance in practical temperature range is obtained. A magnet having an excellent recycling performance is obtained. A magnet motor using such rare ear resin magnet generates a potent static magnetic field in the space with the armature core. The motor output is enhanced, and the current consumption is lowered. The rare earth resin magnet comprises at least one resin of thermoplastic resin and thermoplastic elastomer, pentaerythritol stearic acid triester, and rare earth magnetic powder. The rare earth magnetic powder, resin, and pentaerythritol stearic acid triester form a mutually mixed resin magnet composition, and this resin magnet composition has a predetermined shape. A magnet rotor has this rare earth resin magnet. A magnet motor has this rare earth resin magnet, a rotor frame, an armature core, a winding, and a rotor, and the rare earth resin magnet has a ring shape, and this rare earth resin magnet of the ring shape is disposed in the inner periphery of the rotor frame. |
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