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摘要：
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对铝壶嘴的落料、拉深、缩口、弯曲、胀形、切口、压边的成形工序进行了分析,并对这些工序中的自动缩口模具在设计与制造中存在的若干关键性技术进行了研究。该模具1模2次自动缩口,生产批量大,制件质量好。
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The forming procedures including blanking,stretching,necking,bending,edge expanding,edge trimming and edge gating are analyzed.The key technology problems existing in the design and manufacture of the mold are also studied.The automatic necking mould stretching for 2 twice with one mould has the advantages to produce the product with high quality and in big production volume.
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基金项目：
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作者简介：
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参考文献：
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[1]王俊彪.多工位级进模设计[M].西安:西北工业大学出版社,1999.
[2]许发樾.实用模具设计与制造手册[M].北京:机械工业出版社,2003.
[3]冲模设计手册编写组.冲模设计手册[M].北京:机械工业出版社,2003.
[4]中国模具设计大典编委会.中国模具设计大典[M].南昌:江西科学技术出版社,2003.
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