Method for preparing special-shaped complex part through powder injection molding technology
2015
The invention relates to the technical field of powder injection molding and particularly discloses a method for preparing a special-shaped complex part through a powder injection molding technology. The method includes the steps of mixing and pelleting, injection molding, and degreasing and sintering. In the injection molding step, a green body of the special-shaped complex part and a green body of a profile-followed supporting part corresponding to the special-shaped complex part are prepared; in the degreasing and sintering step, the special-shaped complex part is placed on the profile-followed supporting part corresponding to the special-shaped complex part for degreasing and sintering. According to the method, the problems of deformation, collapse and even breakage in the degreasing and sintering process of the special-shaped complex part can be well solved, the problem that the special-shaped complex part cannot be sintered through a traditional method is effectively solved, and the complexity of the powder injection molding field is lowered.
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