管材径压胀形装置开发及试验研究

杨连发; 陈奉军

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管材径压胀形装置开发及试验研究

机械与动力工程 | 更新时间：2026-09-14

- 管材径压胀形装置开发及试验研究
- Design and Experimental Research on Tube Hydroforming Device in Radial Crushing
- 中北大学学报（自然科学版） 2010年31卷第6期页码：562-567
- 作者机构：
  
  桂林电子科技大学机电工程学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(51065006);广西自然科学基金资助项目(桂科自0832243);制造系统与先进制造技术广西重点实验室基金项目(桂科能07109008_014_Z)
- DOI：
  中图分类号：
- 纸质出版：2010
- 稿件说明：
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杨连发, 陈奉军. 管材径压胀形装置开发及试验研究[J]. 中北大学学报（自然科学版）, 2010,31(6):562-567.

杨连发, 陈奉军. Design and Experimental Research on Tube Hydroforming Device in Radial Crushing[J]. 2010, 31(6): 562-567.
杨连发, 陈奉军. 管材径压胀形装置开发及试验研究[J]. 中北大学学报（自然科学版）, 2010,31(6):562-567. DOI：

杨连发, 陈奉军. Design and Experimental Research on Tube Hydroforming Device in Radial Crushing[J]. 2010, 31(6): 562-567. DOI：

摘要

相对常规的液压成形

径压胀形具有一些独特的优点.开发了一套管材径压胀形装置

在其上开展将圆形截面管材径压胀形成三角形截面试件的试验研究

分析管端约束方式、成形液压力及摩擦力等对成形管件的截面轮廓形状、壁厚分布、破裂位置、材料填充性、管件失效形式的影响.研究结果表明

随着液压力的增大

材料模具填充性会越好

但截面形状对称性及壁厚分布均匀性变差;管端约束力大时

截面轮廓形状的对称性、壁厚分布的均匀性均较好

但材料填充性变差;良好的润滑可以有效改善截面轮廓形状的对称性、壁厚分布的均匀性及材料的填充性

从而推迟管件的破裂;不适当的成形液压力会使管件出现填充不足、压塌或者破裂等缺陷.

Abstract

Tube hydroforming with radial crushing bears some advantages over the conventional hydroforming

i.e.without radial crushing.A simple and practical experimental tool was designed for the former hydroforming and a series of experiments were conducted on the tool where circular tubes were crushed into workpieces with triangle cross-sections.The influence of the constraint states at the tube ends

hydraulic pressure and the friction states on the bulge tube profile

the wall-thickness distribution

the potential bursting location

the corner-filling ability

failure modes of the bulge tube workpiece was investigated.The results show that a larger internal pressure can increase corner-filling ability while decrease the symmetry of the bulge tube profile and uniformity of wall-thickness distribution;severe constraints at the tube ends make these effects inversed.The results also indicate that the corner-filling ability

the profile symmetry and the wall-thickness uniformity can be improved and the bursting can be delayed by a good lubrication;however

an unreasonable forming pressure might lead to a poor corner-filling ability

premature collapsing or bursting during the forming process.

关键词

Keywords

references

Morphy G.Pressure-sequence and high-pressure hydroforming[J].Tube and Pipe Journal,1998,2(1):128-135.

Ahmetoglu M,Altan T.Tube hydroforming:state-of-the-art and future trends[J].Journal of Material ProcessionTechnology,2000,13(98):25-33.

Mason M.Tube hydroforming using sequenced forming pressure[C].Proceedings of the International Seminar onRecent Status and Trend of Tube Hydroforming,Tokyo,Japan,1999:80-98.

Yeongmaw H,Altan T.Finite element analysis of tube hydroforming process in a rectangular die[J].Finite elementin Analysis and Design,2002,103(39):1071-1082.

Yeongmaw H,Altan T.Process fusion:tube hydroforming and crushing in a square die[J].Proc.Instn.Mech.Engrs.,Part B:J Engineering Manufacture,2004,15(218):169-174.

Yeongmaw H,Altan T.FE simulation of the crushing of circular tubes into triangular cross-sections[J].Journal ofMaterial Procession Technology,2002,86(125-126):833-838.

Kang S J,Kim H K,Kang B S.Tube size effect on hydroforming formability[J].Journal of Material ProcessionTechnology,2005,35(160):24-33.

邓洋,杨连发.径压胀形中的管材的填充性及成形性分析[J].机械工程与自动化,2006,138(5):83-86.Deng Yang,Yang Lianfa.Investigation on the corner-filling ability and formability of tube in hydroforming withradical crushing[J].Mechanical Engineering&Automation,2006,138(5):83-86.(in Chinese)

陈奉军,杨连发.管材径压胀形试验与测试装置的开发[J].模具工业,2008,34(12):21-24.Chen Fengjun,Yang Lianfa.Experimental tooling for tube hydroforming with radical crushing[J].Die and MouldIndustry,2008,34(12):21-24.(in Chinese)

郭成,杨连发.内补液增压式THF性能测试装置开发及试验研究[J].机械工程学报,2005,41(9):180-184.Guo Cheng,Yang Lianfa.Simple tooling with internal pressure source to evaluate the tube hydro-bulgingformability[J].Chinese Journal of Mechanical Engineering,2005,41(9):180-184.(in Chinese)

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