Abstract

The interference fit between of rivet and hole have been widely used in the mechanical structure, because of its simple structure, large bearing capacity. There are some failure of rivet and hole and hole interference fit in practice. In order to solve this problem, the interference fit model of rivet and hole was established. The spring mass model of interference fit between of rivet and hole was put forward based on the Saint Venant principle. The mechanical force equation of spring-mass model was obtained. Through the analysis of the rivet hole and obtain the stress state under different loads, when the load is small, the contact interface between of rivet and hole separation does not occur, can prolong the fatigue life of the structure; when the load is large, a rivet and a hole contact interface may cause contact separation, the fretting fatigue, and a hole for the rivet fit design suggestions.

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