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摘要：
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针对传统的板料无铆钉连接技术需要专用的设备及模具，并且凹模结构复杂等问题，设计开发了一种简单实用的板材无铆钉滚压连接装置，该装置不需要专用的压力成形设备，通过一对凸模的旋转运动实现板料连接。通过设计合理的凸模和凹模的结构尺寸，分别对厚度为1.2 mm的Al5052铝板和厚度为1.5 mm的Al1060铝板进行了滚压连接试验，对所得的滚压试件进行断面观测试验和抗剪试验，得到相关几何参数及接头抗剪力。试验结果表明：该装置结构简单，能够实现不同厚度板料的连接，凸模旋转的垂直压下量对接头互锁值和底厚值的影响较大，对颈厚值的影响较小，合理地控制凸模旋转的垂直压下量和凸模间距可以提高接头的连接质量。
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For the problems of the traditional clinching technology for sheet metal requiring special equipment and die with the complex structure, a simple and practical rolling clinching device for sheet metal was designed and developed, and the sheet metal connection was realized by the rotation movement of a pair of punch without the special pressure forming equipment. Then, the rolling connection tests of aluminum sheets with 1.2 mm Al5052 and 1.5 mm Al1060 were carried out respectively by designing the reasonable structure sizes of punch and die, and the sectional observation test and shear test were conducted on the obtained rolling parts to obtain the relevant geometrical parameters and the shear resistance of joint. The test results show that the device has a simple structure and realizes the connection of sheets with different thicknesses, and the vertical reduction of the punch rotation has a great effect on the interlock value and the bottom thickness value of joint, but it has little effect on the neck thickness value. Thus, the connection quality is improved by reasonably controlling the vertical reduction of the punch rotation and the distance between two punches.
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基金项目：
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国家自然科学基金资助项目(51564007)；广西自然科学基金资助项目(2017GXNSFAA198133)
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作者简介：
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作者简介：宗鹏举（1992-），男，硕士研究生，E-mail：Z_Pengju@163.com；通信作者：何玉林（1980-），女，硕士，高级实验师，E-mail：hyl_2005@126.com
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参考文献：
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[1]杨小宁, 佟铮, 杨明,等. 铝板件冲压连接技术的实验研究[J]. 内蒙古工业大学学报: 自然科学版, 2006, 25(2): 30-34.
Yang X N, Tong Z, Yang M，et al. A new punch bonding technology for aluminous sheets[J]. Journal of Inner Mongolia University of Technology: Natural Science Edition, 2006, 25(2): 30-34.
[2]Mori K I, Bay N, Fratini L, et al. Joining by plastic deformation[J]. Cirp Annals Manufacturing Technology, 2013, 62(2): 673-694.
[3]张凯， 闵峻英，林建平，等. CFRP与AA6022-T4铝合金的自冲铆接接头力学性能分析 [J].锻压技术，2019,44(1):150-156.
Zhang K，Min J Y，Lin J P，et al. Analysis on mechanical properties of self-piercing riveted joints for carbon fiber reinforced polymer and AA6022-T4 aluminum alloy [J].Forging & Stamping Technology，2019, 44(1):150-156.
[4]唐宽强. TOX连接技术在板件连接中的应用[J]. 新技术新工艺, 2013, (2): 1-3.
Tang K Q. Application of TOX joining technology in the sheet metal industry[J]. New Technology & New Process, 2013, (2): 1-3.
[5]Ning N, Ouyang K J, Zhang Y, et al. Research on press joining technology for automotive metallic sheets[J].Journal of Materials Processing Technology, 2003, 137（1-3）: 159-163.
[6]He X C, Zhang Y, Xing B Y, et al. Numerical and experimental investigations of extensible die clinching [J]. International Journal of Advanced Manufacturing Technology, 2014, 74: 1229-1236
[7]Han X L, Zhao S D，Liu C, et al. Optimization of geometrical design of clinching tools in clinching process with extensible dies[J].Proceedings of the Institution of Mechanical Engineers Part C-Journal of Mechanical Engineering Science, 2017, 231(21)：3889-3897.
[8]黄柳钧, 何玉林.铝板无铆钉自冲铆接质量及强度的试验研究[J]. 机械设计与制造, 2010, (11): 98-100.
Huang L J, He Y L. An experimental research on quality and strength of aluminous joints by clinch joining technique [J]. Machinery Design & Manufacture, 2010, (11): 98-100.
[9]Abe Y, Taromaru K, Kato T, et al. Improvement of joinability in mechanical clinching of sheets using step punch[A]. Proceedings of the 10th International Conference on Technology of Plasticity[C]. Aachen, 2011.
[10]黄志超, 邱祖峰, 庞连红, 等. 旋压无铆铆接和普通无铆连接数值模拟对比分析研究[J]. 煤矿机械, 2011, 32(8): 49-51.
Huang Z C, Qiu Z F, Pang L H, et al. Comparison of numerical simulations between spin clinching and ordinary clinching[J]. Coal Mine Machinery, 2011, 32(8): 49-51.
[11]Vitzthum S, Hiller M, Volk W, et al. Experimental investigation of the scalability of roller-clinching processes with regard to joint strength and failure mode[J]. Materialwissenschaft and Werkstofftechnik, 2019, 50(8):1015-1026.
[12]张荣清. 模具设计与制造[M]. 北京：高等教育出版社, 2003.
Zhang R Q. Die Design and Manufacturing[M]. Beijing: Higher Education Press, 2003.
[13]韩善灵, 姜浩然, 刘娟, 等. 成形速度及温度对无铆冲压连接工艺的影响[J]. 机械制造与自动化, 2018, 47(1): 14-18.
Han S L. Jiang H R, Liu J, et al. Effects of forming speed and temperature on clinching technology[J]. Machine Building and Automation, 2018, 47(1): 14-18.
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