锻压技术

65Mn钢窗帘支架弹片级进模设计

英文标题：Progressive die design of 65 Mn curtain bracket shrapnel

作者：张建卿沈言锦

分类号：TG386.42

出版年,卷(期):页码：2015,40(12):105-109

摘要：

通过对65Mn钢弹片结构特点和冲压工艺的分析，设计了带料排样图及模具结构图。为简化模具结构，将常规设计时采用斜楔配合侧滑块结构的弹片零件中的负角成形结构（先成形“U”形弯曲，再成形60°及70°弯曲），改为左侧60°弯曲采用悬空弯曲工艺结构，弯曲顶块采用活动结构形式，右侧70°弯曲凹模采用斜滑块助卸料结构的工艺，采用该工艺不但简化了模具结构，而且降低了模具的制造成本。生产实践表明：该模具结构紧凑，设计巧妙，冲压出的零件质量合格，稳定性好。

The layout diagram and die structure were designed through analyzing the shrapnel structure characteristics and the stamping process of steel 65 Mn. To simplify the die structure, the negative angle in shrapnel part was formed by the vacant bending with movable ejected block to bend 60 ° on the left side of the part and the die with inclined slide for discharging part to bend 70 ° on the right side of the part, instead of forming by the wedge mating side slider in the conventional design (first forming “U”, and then bending 60 ° and 70°) as the traditional design. This technology not only simplified the die structure, but also reduced the manufacturing cost of the die. The actual production shows a compact and well designed structure. Therefore, the parts are stable and qualified.

基金项目：

湖南省教育厅资助项目(13C1170)

作者简介：张建卿（1971-），男，硕士，副教授，高级工程师

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