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Abstract：
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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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Funds：
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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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AuthorIntro：
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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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Reference：
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