期刊文献+

某汽车底梁加固件多工位级进模设计 被引量:6

Design on multi-position progressive die for stiffener of automotive beam
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摘要 为了提高汽车安全性及减轻车身重量,高强钢板结构件在汽车制造上的应用越来越广泛。某汽车底梁加固件的材料为高强钢GMW3032M-ST-S-CR340LA,其结构复杂、精度要求较高。针对该零件的结构特征进行了冲压成形工艺分析,确定了采用中间载体、双排排样的12工位级进模冲压工艺方案,并对级进模的总体结构和关键结构进行了设计。部分冲裁凸模采用单峰斜刃结构,能有效降低冲裁力;采用压弯拉深复合成形模具结构,可以减小级进模的工位数;设计了吊装式斜楔机构,能够简化加工工序、方便工件的取放。试冲结果表明,使用该套模具生产的制件满足尺寸精度要求,生产效率高。 The structural parts made by high strength steel are applied more and more extensively in the automotive to improve the security and reduce the weight. The material of the stiffener of automotive beam is GMW3032M-ST-S-CR340LA, which is complex and of high precision requirement. The stamping process of the automotive part was analyzed based on its structure characteristics, and the 12-position progressive stamping processes with double-row and intermediate carrier were determined. Further, the total structure and the key process- ing structure of the die were designed. Some blanking punches were of a single peak and inclined blade structure to effectively reduce the blanking force. The bending-drawing composite structure reduced the positions of the multi-position progressive die. The inverted wedge mechanism was designed to simplify the manufacturing processes and to pick and put workpiece conveniently. The trial test shows that the size dimension of the parts produced by this die can meet the technology requirement, and the produce efficiency is high.
出处 《锻压技术》 CAS CSCD 北大核心 2015年第12期87-91,共5页 Forging & Stamping Technology
基金 广东省高等学校高层次人才项目(x2jq N9101140) 顺德区产学研合作项目(2014CXY18)
关键词 汽车底梁加固件 多工位级进模 单峰斜刃结构 压弯拉深 吊装式斜楔机构 stiffener of automotive beam multi-position progressive die single peak and inclined blade structure bending-drawing in- verted wedge mechanism
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参考文献13

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引证文献6

二级引证文献26

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