复杂形状零件单点渐进液压成形厚度分布研究

doi:10.3969/j.issn.1004-132X.2025.06.021

中国机械工程 ›› 2025, Vol. 36 ›› Issue (06): 1338-1344.DOI: 10.3969/j.issn.1004-132X.2025.06.021

复杂形状零件单点渐进液压成形厚度分布研究

尚苗;李言*;山顺坤;杨明顺

西安理工大学机械与精密仪器工程学院，西安，710048

出版日期:2025-06-25 发布日期:2025-08-05
作者简介:尚苗，女，1986年生，副教授、博士研究生。研究方向为先进制造与现代加工技术。发表论文20余篇。E-mail:goodseeding@outlook.com。
基金资助:
国家自然科学基金（52075437）

Study on Thickness Distribution of Single Point Incremental Hydroforming of Complex Shaped Parts

SHANG Miao;LI Yan*;SHAN Shunkun;YANG Mingshun

School of Mechanical and Precision Instrument Engineering,Xian University of Technology,
Xian,710048

Online:2025-06-25 Published:2025-08-05

摘要/Abstract

摘要： 为了分析和提高复杂形状零件的单点渐进成形性能，提出了一种由单点渐进成形和液压成形混合而成的新工艺，用于制造具有尖顶结构的多特征零件。设计了目标制件的成形过程，建立了厚度理论预测模型，分析了不同液压参数在不同成形阶段对目标零件厚度分布的影响。实验结果表明，采用新工艺和合适的液压压力可以成形复杂形零件；与无液压辅助的渐进成形相比，有液压辅助时实验轮廓与理论轮廓的几何误差能够从11.44%降低到5.18%；厚度分布规律与辅助压力、成形高度、成形形状等有关，所建立理论模型能够预测复杂形零件的厚度分布。

关键词: 复杂形状, 单点渐进成形, 液压成形, 厚度分布

Abstract: To analyze and enhance the performances of single point incremental forming for complex shaped parts, a new process combining SPIF and hydroforming was presented for manufacturing multi-featured parts with spire structures. The forming processes of the target parts were designed, the theoretical prediction model of thickness was established, and the effects of different hydraulic parameters on the thickness distribution of the target parts in different forming stages were analyzed. The experimental results show that complex shaped parts may be formed using the new processes and appropriate hydraulic pressures; the geometric errors between the experimental and theoretical profiles may be reduced from 11.44% to 5.18% with assistance compared to SPIF without hydraulic assistance; the thickness distribution patterns are related to the assisted pressure, forming heights, forming shape, etc., and the established theoretical model may be used to predict the thickness distribution of complex shaped parts.

Key words: complex shape, single point incremental forming(SPIF), hydroforming, thickness distribution

中图分类号:

TG386.4

尚苗, 李言, 山顺坤, 杨明顺. 复杂形状零件单点渐进液压成形厚度分布研究[J]. 中国机械工程, 2025, 36(06): 1338-1344.

SHANG Miao, LI Yan, SHAN Shunkun, YANG Mingshun. Study on Thickness Distribution of Single Point Incremental Hydroforming of Complex Shaped Parts[J]. China Mechanical Engineering, 2025, 36(06): 1338-1344.

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https://www.cmemo.org.cn/CN/Y2025/V36/I06/1338

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复杂形状零件单点渐进液压成形厚度分布研究

Study on Thickness Distribution of Single Point Incremental Hydroforming of Complex Shaped Parts

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