锻压技术

侧围外板冲压成形仿真技术与应用

英文标题：Simulation and application of stamping process for side-frame outer panel

作者：刘驰

单位：柳州职业技术学院

关键词：侧围外板成形 AutoForm 冲压工艺

分类号：

出版年,卷(期):页码：2014,39(1):41-45

摘要：

根据某整体侧围外板的形状和产品要求，对成形困难部位进行前期工艺分析。按照以往相似零件的经验，在形状变化急剧区域采用过拉延工艺,在两个门框下部采用工艺凸包。在工艺面设计中利用AutoForm软件对侧围拉延件进行成形仿真分析，对拉延工艺进行多次调整，包括工艺补充面、压料面、板料外形、拉延筋、压边力和圆角，得到了优化后的拉延工艺数模，完成了侧围外板的冲压成形工艺分析，并生产出质量合格的产品，为类似零件冲压生产提供了借鉴作用。

According to the requirements of shape and product of a whole side plate, the process of typical parts was analyzed.On the basis of previous experience for similar parts，the over drawing process was adopted in the sharp change area of part surface，and the convex closure process was adopted in the lower area of doorframes. The side-frame outer panel drawing forming was simulated with AutoForm software in the design of process surface, and many adjustments of the drawing process were carried out，including the addendum, binder surface, blank outline，drawbead，blank-holder force and die round corner. The model of optimized process was obtained, the work processes of outer panel were formulated,and the qualified products were obtained，which provides reference for stamping the similar parts.

基金项目：

2012年度广西高等学校一般资助科研项目-汽车类特大型厚板成形模开发实践（201203YB196）;柳州职业技术学院科研项目- 汽车覆盖件冲压模具快速设计方法的研究（2007A02）

刘驰(1974-)，女，硕士，讲师

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