| 简介 |
[Problem]We will provide a method for producing rare earth bonded magnets with high magnet strength with excellent production efficiency. [Solution means] A method for producing a rare earth bond magnet, a step S1 for preparing a rare earth-based alloy magnet powder, a step S2 for preparing a molding resin composition containing a resin for molding, a rare earth-based alloy magnet powder and a molding resin composition, and a process S3 for producing a compound for rare earth bond magnets, and a compound for rare earth bond magnets are compressed to produce a compression molded body. Includes step S5 for producing a bonded magnet molded body by heat-treating the compression molded body, a step S7 for producing an impregnated molded body by impregnating a resin composition for impregnation with a bonded magnet molded body, a step S8 in which the impregnated molded body is immersed in a curing agent to cure the impregnated resin on the surface layer of the impregnated molded body, and a subregnation molded body after the impregnation resin of the surface layer portion is cured to cure the impregnation resin S9. [Selection Figure]Figure 1 |
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