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<p>Aiming at the nonlinear characteristics of the driver head formation process in interference-fit riveting, the difficulty in establishing correlations between driver head dimension and riveting force, and the inability of existing methods to properly guide riveting force determination for joints with different process parameters, this paper proposes a theoretical model based on metal plastic forming mechanics theory to predict the required riveting force for achieving standard driver head dimensions. Finite element simulation technology and riveting experiments were employed to obtain driver head dimensions of <i>Φ</i>4 × 9&#xa0;mm and <i>Φ</i>5 × 10&#xa0;mm 2A10 semi-spherical rivets under different riveting forces. The results show that the theoretical riveting forces calculated from simulation-measured driver head dimensions have average errors of 1.41% and 1.89% compared to set values. The theoretical riveting forces calculated from experimentally measured driver head height and maximum diameter initially exhibit larger errors. After introducing an interference correction coefficient, the average errors decrease to 3.01% and 0.81% respectively, demonstrating good agreement.</p>

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The relationship between the riveting force of interference fit riveting and the size of the drive head

  • 期刊论文

  • 发表日期：

    2025年11月17日

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  • Hai-Bin Hu,
  • Hong-Ling Hou,
  • Zhao-Le Yu,
  • Xi-Xin Wang,
  • Fan Yang,
  • Ao Yang,
  • Yong-Qiang Zhao

摘要

Aiming at the nonlinear characteristics of the driver head formation process in interference-fit riveting, the difficulty in establishing correlations between driver head dimension and riveting force, and the inability of existing methods to properly guide riveting force determination for joints with different process parameters, this paper proposes a theoretical model based on metal plastic forming mechanics theory to predict the required riveting force for achieving standard driver head dimensions. Finite element simulation technology and riveting experiments were employed to obtain driver head dimensions of Φ4 × 9 mm and Φ5 × 10 mm 2A10 semi-spherical rivets under different riveting forces. The results show that the theoretical riveting forces calculated from simulation-measured driver head dimensions have average errors of 1.41% and 1.89% compared to set values. The theoretical riveting forces calculated from experimentally measured driver head height and maximum diameter initially exhibit larger errors. After introducing an interference correction coefficient, the average errors decrease to 3.01% and 0.81% respectively, demonstrating good agreement.