实验研究了工件在不同材料、不同内外径比的集磁器作用下的胀形效果 ,分析了工件在不同内外径比的铁磁材料、非铁磁材料集磁器成形效果不同的原因 .对集磁器材料的选择及确定集磁器的最佳内外径比进行了有益的探索 . The bulging effect of the workpiece under the action of a collector with different materials and different inner and outer diameters is experimentally studied, and the reasons for the different forming effects of the ferromagnetic and non-ferromagnetic collectors with different inner-to-outer diameters are analyzed. Material selection and to determine the optimal inner and outer diameter ratio of the collector made a useful exploration.