| 简介 |
PROBLEM TO BE SOLVED : To provide a method for manufacturing a heat shrinkable rare earth magnet employing rare earth magnet powder as the magnet powder, a thermosetting resin composition as a binder, and compression molding, rolling and heat treatment as a molding method, and to provide a high performance miniature magnet motor utilizing the manufacturing method.
SOLUTION : In place of an Nd2Fe14B based annular bonded magnet produced by magnetically isotropic melt spinning as the magnet rotor of a miniature permanent magnet motor, a green sheet is prepared by compression molding a compound of various kinds of rare earth magnet powder and a binder and then a magnet obtained by thermosetting the green sheet is rolled. |
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