由机械部桂林电器科学研究所设计、研制,上海跃进电机厂协作加工的新结构转子片复式冲槽模课题,于1984年8月31日在桂林电器科学研究所通过鉴定。 与会代表一致认为:该课题,在模具结构、造制工艺、和保证模具精度方面作了探讨和实践,取得了明显的技术经济效果。采用电铸导套式精密导向卸料板新结构和三导柱模架, Guilin Institute of Electrical and Mechanical Engineering by the Ministry of Mechanical Design, development, Shanghai Yuejin Motor Factory collaborative processing of the new structure rotor chip compound slotting die project, in August 31, 1984 in Guilin Electric Apparatus Research Institute through the identification. Participants agreed that: The subject, in the mold structure, manufacturing process, and to ensure the accuracy of the mold made a discussion and practice, and achieved significant technical and economic results. Using electroforming guide sleeve precision guide stripper plate structure and three guide column mold,