An effective theoretical model for slug rivet assembly based on countersunk hole structure

Slug rivet interference-fit riveting is one of the advanced connection technologies. Many researches have been conducted to study the quality of slug rivet assembly. However, some previous theoretical studies have only focused on the riveted lap joints without countersunk hole structure. To make a more comprehensive understanding of the riveting quality, this paper first proposes an effective method to study the riveted assembly with countersunk hole structure. An effective and accurate theoretical model is built to reflect the mapping relationship between squeezing force and driven head dimension. Since the driven head dimension is the riveting quality control criterion, and the squeezing force is the most important riveting parameter. Simulations and experiments are conducted to verify the validity of the theoretical analysis. Comparison results prove the theoretical model’s ability to analyze the rivet deformation. Theoretical analysis can provide an effective compact analysis. The study will pave the way for further investigations.