发明名称 焼結磁石の製造方法
摘要 PROBLEM TO BE SOLVED: To provide a method for manufacturing a sintered magnet, making it possible to reduce damaged portions, such as cracks or breakage, which can occur in the magnet during a deburring operation, when a size of the sintered magnet is corrected by pressure molding.SOLUTION: A method for manufacturing a sintered magnet includes: forming a green compact by performing press molding of magnet powder constituting a R-Fe-B-based sintered magnet (R is a rare earth element composed mainly of Nd); forming a sintered magnetic by sintering the green compact; and correcting a size of the sintered magnet by performing pressure molding of the sintered magnet. In the size correction, a molding die 215 has separated portions 215a and 215b separated from a magnetic piece M1 to be molded.
申请公布号 JP2015208134(A) 申请公布日期 2015.11.19
申请号 JP20140087735 申请日期 2014.04.21
申请人 发明人
分类号 H02K15/03;H01F41/02;H02K1/27 主分类号 H02K15/03
代理机构 代理人
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