航空学报 > 2013, Vol. 34 Issue (2): 426-433   doi: 10.7527/S1000-6893.2013.0049

铆模倾角对铆接质量的影响研究

李奕寰, 曹增强, 张岐良, 冯东格   

  1. 西北工业大学 机电学院, 陕西 西安 710072
  • 收稿日期:2012-03-26 修回日期:2012-05-29 出版日期:2013-02-25 发布日期:2012-06-18
  • 通讯作者: 曹增强 E-mail:czq66326@nwpu.edu.cn
  • 作者简介:李奕寰,男,硕士研究生。主要研究方向:电磁铆接连接与装配工艺研究。Tel:029-88494454,E-mail:liyihuan@126.com;曹增强,男,博士,教授,博士生导师。主要研究方向:飞机装配与先进技术;复合材料结构制造金属塑性成形电磁铆接技术研究及设备的研制。Tel:029-88494454,E-mail:czq66326@nwpu.edu.cn
  • 基金资助:

    国家商用飞机制造工程技术研究中心创新基金(SAMC11-JS-07-210)

Effect Study on Riveting Quality with Different Angles of Riveting Die

LI Yihuan, CAO Zengqiang, ZHANG Qiliang, FENG Dongge   

  1. College of Mechanical and Electrical Engineering, Northwestern Polytechnical University, Xi’an 710072, China
  • Received:2012-03-26 Revised:2012-05-29 Online:2013-02-25 Published:2012-06-18
  • Contact: 10.7527/S1000-6893.2013.0049 E-mail:czq66326@nwpu.edu.cn
  • Supported by:

    Fund of National Engineering and Research Center for Commercial Aircraft Manufacturing (SAMC11-JS-07-210)

摘要:

电磁铆接(EMR)作为一种新的铆接工艺方法,可以使铆钉在铆模型腔内一次完成镦头成形。为了研究铆模构型对EMR质量的影响,通过数值模拟和试验对不同倾角铆模铆接的铆钉镦头、干涉量和残余压应力进行了研究分析。设计疲劳试验对不同倾角铆模铆接的试件进行验证和分析。研究结果表明:铆模倾角对干涉量有较大影响,倾角越小,干涉量越大;采用66°铆模倾角可以实现较理想的干涉配合,接头疲劳寿命最长。

关键词: 铆模倾角, 电磁铆接, 数值模拟, 干涉量, 疲劳寿命

Abstract:

As a novel riveting process, electromagnetic riveting (EMR) can make a rivet form the swage head in the forming cup in one shoot. In order to study the influence of die configuration on the riveting quality of EMR, this paper analyzes the riveting quality of swage heads, interference-fit and residual compressive stress with different angles of riveting die through numerical simulation and experiment. A fatigue test is designed for experimental verification and analysis on the riveting specimens using different angles of riveting die. The results show that the variety of angles has a great influence on interference-fit: a smaller angle can obtain a greater amount of interference-fit. A 66° riveting die angle is recommended for use to achieve an appropriate interference and the longest fatigue life of joints.

Key words: angles of riveting die, electromagnetic riveting, numerical simulation, interference-fit, fatigue life

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