| 简介 |
The present invention provides a method for producing a rare earth sintered magnet and a molding device therefor that can stably mold molded bodies with less variation in unit weight. The method includes : 1) preparing a slurry that includes an alloy powder containing a rare earth element, and a dispersion medium; 2) disposing an upper punch and a lower punch in respective through holes provided in a die, thereby preparing a plurality of cavities; 3) applying a magnetic field in each of the cavities by an electromagnet in a direction substantially parallel to a direction in which at least one of the upper punch and the lower punch is movable, and then supplying the slurry into the plurality of cavities; 4) producing a molded body of the alloy powder in each of the cavities by press molding in the magnetic field; and 5) sintering the molded body. |
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