铆模倾角对铆接质量的影响研究
收稿日期: 2012-03-26
修回日期: 2012-05-29
网络出版日期: 2012-06-18
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
Received date: 2012-03-26
Revised date: 2012-05-29
Online published: 2012-06-18
Supported by
Fund of National Engineering and Research Center for Commercial Aircraft Manufacturing (SAMC11-JS-07-210)
李奕寰 , 曹增强 , 张岐良 , 冯东格 . 铆模倾角对铆接质量的影响研究[J]. 航空学报, 2013 , 34(2) : 426 -433 . DOI: 10.7527/S1000-6893.2013.0049
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.
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