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工艺变量对渐进冲压中零件质量的影响

Juras Skardžius¹, Justinas Gargasas¹

¹Department of Mechanical and Materials Engineering, Faculty of Mechanics, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania.

Materials (Basel, Switzerland)

|January 28, 2026

概括

在渐进冲压中控制零件质量需要优化不仅仅是底部死中心 (BDC) 深度. 模具隙和工具状况对高批量生产的精度和曲角度有重大影响.

科学领域:

制造业工程制造工程
材料科学材料科学材料科学
机械工程机械工程

背景情况:

渐进式冲压涉及在单个模具上进行多次合操作 (空白,穿孔,曲,绘制).
由于复杂的加工条件,在高生产率下保持零件质量和尺寸精度是具有挑战性的.

研究的目的:

为了研究压底部死中心 (BDC) 深度,冲压隙,工具磨损和滑对冲压件精度和曲角度的影响.
确定影响渐进式压质量特征的关键工艺参数.

主要方法:

使用了薄板钢渐进模具,并采用了因数实验设计.
使用坐标测量机 (CMM) 测量质量特征.
使用帕雷托效应图和MINITAB平台分析数据;用于材料分析,使用扫描电子显微镜 (SEM).

主要成果:

底部死中心 (BDC) 深度是部件曲角度的最重要因素,其次是空隙,然后是工具状况.
滑显示了相互作用效应,但与BDC,清除率和工具状况相比,作为主要因素并不那么重要.
SEM分析显示,磨损的工具和不良滑导致材料缺陷,如谷物边界分离,而利的工具和适当的滑促进了均的谷物结构.

结论:

在渐进冲压中实现零件质量的完全控制,需要考虑BDC深度,部件空隙,穿孔条件和滑水平.
在多阶段冲压中对参数关系的过程知识可以告知自适应式监控系统,以稳定几何形状并最大限度地减少生产变化.

关键词:

曲角度曲角度曲角度死亡清除时间滑方式滑方式部分质量部分质量.过程变量是一个过程变量.渐进的冲压是逐渐的冲压.传感器监控传感器监控统计分析是一种统计分析.工具的磨损,工具的磨损.

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