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闭截面型材的拉弯成形性 被引量:24

Stretch-bending formability of profile
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摘要 拉弯是型材的基本成形方法.截面畸变是型材拉弯成形中的常见缺陷,并对型材的回弹和变薄有交叉影响,型材拉弯成形性的分析评估远比板材成形复杂.提出了型材拉弯成形性的概念,建立了矩形截面型材拉弯成形性分析模型,基于有限元数值模拟研究了截面结构、相对高度和壁厚分布等几何参数对拉弯成形性的影响规律,从提高拉弯成形性出发提出了型材截面优化设计的原则. Stretch-wrap bending is the essential forming processing for profile. Cross section distortion is the common defect during the stretch-wrap bending of profile, and it brings cross-effect with thinning of thickhess and springback. The stretch-wrap bending formability for profile is much more difficult to analyze and to evaluate than that for sheet forming. The concept of stretch-wrap bending formability for profile was presented and an analytic model for profile with rectangular section was established. The effect of the geometric parameters such as section configuration, relative height and wall-thickness distribution of profile on stretch-wrap bending formability was studied based on finit element method (FEM) numerical simulation. The principle for optimization design of cross section was proposed in order to improve the stretch-wrap bending formability of profile.
出处 《北京航空航天大学学报》 EI CAS CSCD 北大核心 2006年第10期1168-1173,共6页 Journal of Beijing University of Aeronautics and Astronautics
基金 国家自然科学基金资助项目(10477001) 法国雷诺汽车公司资助项目
关键词 型材 拉弯成形性 有限元数值模拟 截面畸变 回弹 飞机 汽车制造 profile stretch-wrap bending formability finit element method numerical simulation cross section distortion springback aircraft automobile manufacturing
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参考文献9

  • 1王柏龄.全铝车身的研究及发展[J].汽车工业研究,2000(6):31-33. 被引量:18
  • 2刁可山,周贤宾,金朝海.铝合金型材拉弯成形研究进展[J].塑性工程学报,2003,10(6):38-42. 被引量:28
  • 3Clausen A H,Hopperstad O S,Langseth M.Stretch bending of aluminum extrusions:effect of geometry and alloy[J].Journal of Engineering Mechanic,1999,125(4):392-400
  • 4Clausen A H,Hopperstad O S,Langseth M.Stretch bending of aluminum extrusions:effect of tensile sequence[J].Journal of Engineering Mechanics,1999,125(5):521-529
  • 5Clausen A H,Hopperstad O S,Langseth M.Sensitivity of model parameters in stretch bending of aluminium extrusions[J].International Journal of Mechanical Sciences,2001,43(2):427-453
  • 6刁可山,周贤宾,金朝海,李晓星.复杂截面型材力控制拉弯成形数值模拟分析[J].材料科学与工艺,2004,12(4):413-416. 被引量:31
  • 7刁可山,周贤宾,李晓星,金朝海.矩形截面型材拉弯成形[J].北京航空航天大学学报,2005,31(2):134-137. 被引量:30
  • 8王炎山.锻压工艺标准应用手册[M].北京:机械工业出版社,1998:444-505.
  • 9周贤宾 周敏.方板对角拉伸试验与板材的综合成形性[J].锻压技术,1985,(4):52-56.

二级参考文献11

  • 1王柏龄.轿车车身开发中铝材的应用[J].汽车技术,1996(5):37-41. 被引量:1
  • 2Vollertsen F.Extrusion, channel, and profile bending: a review [J].Journal of Materials Processing Technology, 1999,87(1~3): 1~27.
  • 3Clausen A H, Hopperstad O S, Langseth M.Stretch bending of aluminium extrusions for car bumpers[J].Journal of Materials Processing Technology, 2000, 102(1~3):241~248.
  • 4Clausen A H, Hopperstad O S, Langseth M.Sensitivity of model parameters in stretch bending of aluminium extrusions [J].International Journal of Mechanical Sciences, 2001,43(2): 427~453.
  • 5Hopperstad O S, Berstad T, Ilstad H, et al.Effects of the yield criterion on local deformations in numerical simulation of profile forming [J].Journal of Materials Processing Technology, 1998, 80: 551~555.
  • 6FRANK V. Extrusion, channel, and profile bending: a review [J]. Journal of Materials Processing Technology 1999, 87(1 -3): 1 -27.
  • 7CLAUSEN AH, HOPPERSTAD OS, LANGSETH M.Sensitivity of Model parameters in stretch bending of aluminium extrusions [J]. International Journal of Mechanical Sciences, 2001,43 (2): 427 - 453.
  • 8PAULSEN F, WELO T. A design method for prediction of dimensions of rectangular hollow sections formed in stretch bending [J]. Journal of Materials Processing Technology, 2002, 128(1 -3): 48-66.
  • 9O. G LADEMO, O. S HOPPERSTAD, M. LANGSETH.An evaluation of yield criteria and flow rules for aluminium alloys [J]. International Journal of Plasticity,1999, 15(2): 191-208.
  • 10孙惠学,胡金华,李春科,姚保军.奥迪轿车门竖框拉弯成形弹复分析[J].塑性工程学报,1998,5(3):32-35. 被引量:14

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引证文献24

二级引证文献84

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