• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2015, Vol. 51 ›› Issue (8): 20-28.doi: 10.3901/JME.2015.08.020

• 材料科学与工程 • 上一篇    下一篇

板材液压成形技术与装备新进展

苑世剑1, 2 , 刘伟1, 2 , 徐永超1, 2   

  1. 哈尔滨工业大学材料科学与工程学院 哈尔滨 150001;
    哈尔滨工业大学金属精密热加工国防科技重点实验室 哈尔滨 150001;
  • 出版日期:2015-04-15 发布日期:2015-04-15
  • 基金资助:
    教育部长江学者和科技创新团队发展计划(IRT1229)和国家自然科学基金(50905041,51375114)资助项目

New Development on Technology and Equipment of Sheet Hydroforming

YUAN Shijian1, 2 , LIU Wei1, 2 , XU Yongchao1, 2   

  1. 1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001;
    2. National Key Laboratory for Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin 150001
  • Online:2015-04-15 Published:2015-04-15

摘要: 随着板材零件向大尺寸、薄壁、深腔、复杂曲面以及难变形材料方向发展,具有低成本、高柔性的板材液压成形技术在航空、航天、汽车等制造业受到高度重视,并面临新的机遇和挑战。介绍板材液压成形技术的发展现状,重点介绍近年发展的径向主动加压充液拉深、预胀充液拉深、正反向加压充液拉深、双板成对液压成形和热态液压成形技术。分析国内外板材液压成形技术在汽车、航空航天等领域的应用现状,综述板材液压成形装备的研制进展,介绍正在研制的世界最大的吨位为150 MN、液体容积为5 m3的液压成形装备,对板材液压成形技术的发展趋势进行展望。

关键词: 板材液压成形, 车身覆盖件, 成形精度, 充液拉深, 拉深比, 起皱, 曲面件

Abstract: With the development of sheet metal parts on large size, thin-wall, deep cavity, complicated curved-surface and hard forming materials, the manufacturing industries, such as aviation, aerospace and automobile industry, have paid more attentions to the low-cost and high flexible sheet hydroforming technology, which is up against new opportunities and challenges. The state-of-the-art of sheet hydroforming technology is introduced, and the new developing technologies, including hydromechanical deep drawing with independent radial hydraulic pressure, pre-bulging hydromechanical deep drawing, hydromechanical deep drawing with double-side hydraulic pressures, double sheets hydroforming and warn sheet hydroforming, are presented in detail. The current application statements of domestic and foreign on the domains of automobile, aerospace and others are summarized, the progress of R&D on sheet hydroforming equipments are reviewed, and the words’ largest sheet hydroforming equipment with tonnage of 150 MN and liquid volume of 5 m3 is introduced, the development tendency of sheet hydroforming technology is prospected.

Key words: auto-body panels, curved-surface part, deep drawing ratio, forming precision, hydromechanical deep drawing, sheet hydroforming, wrinkling

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