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在单点增量成型中改善表面质量的创新工具:与半球工具的比较

Emanuel Bădulescu¹, Eduard Laurenţiu Niţu², Daniela Monica Iordache²

¹Doctoral School of Industrial Engineering and Robotics, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania.

Materials (Basel, Switzerland)

|September 27, 2025

概括

工具几何学显著影响单点增量成型 (SPIF) 表面质量. 一种具有可变半径的创新奇特工具 (ETVR) 在AA6061-T6合金中平衡表面均性和材料硬化,性能优于传统工具.

科学领域:

材料科学材料科学材料科学
制造业工程制造工程
机械工程机械工程

背景情况:

单点增量成型 (SPIF) 为复杂的金属板件生产提供了一种具有成本效益的方法.
表面质量限制阻碍了SPIF的广泛工业采用.
优化工具几何学对于提高SPIF表面完整性至关重要.

研究的目的:

在SPIF期间调查不同工具几何形状对AA6061-T6合金表面完整性的影响.
为了比较具有可变半径 (ETVR) 的新型异常工具与传统半球工具的性能.
根据工具设计,分析表面粗度和微硬度之间的权衡.

主要方法:

使用SPIF在相同的工艺条件下用三个不同的工具形成截断的形:一个5毫米半球工具 (SS5),一个10毫米半球工具 (SS10) 和一个半径可变的异常工具 (ETVR).
表面粗度和微硬度在圆发电机沿线以滚动和横向方向测量.
进行了微芯片分析和视觉检查,以评估表面形态和完整性.

主要成果:

SS5工具产生了最高的微硬度,但也导致了最显著的表面恶化.
该SS10工具产生了更光滑的表面与适度的微硬度增强.
ETVR工具表现出有利的平衡,实现了良好的表面均性以及增强的材料硬度.
统计分析证实,在测试的工具中,表面质量和硬化存在显著差异.

结论:

在SPIF中,工具几何是确定表面完整性和材料增强的关键因素.
新型ETVR工具为SPIF应用中实现更好的表面质量和理想的机械性能提供了一个有希望的解决方案.
了解工具设计和SPIF结果之间的关系为优化制造流程提供了宝贵的见解.

关键词:

AA6061 是一个AA6061 标签: SPIF 标签: SPIF 标签: SPIF 标签: SPIF 标签: SPIF 标签: SPIF 标签:一个半球形的工具.创新工具是一种创新工具.材料的异质性不均.微硬度微硬度微硬度粗性粗性粗性的截断的形圆

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