Abstract

Self-piercing riveting is a connection technology to achieve efficient connection of aluminum alloy plates, and the quality of the connection mainly depends on the rivet and mold parameters. This paper establishes a self-piercing riveting simulation analysis model based on the ALE method, and verifies the accuracy of the model by comparing the simulation and experimental results. Five parameters such as rivet length and mould radius are selected, and the undercut amount, bottom thickness, remaining thickness, and tensile shear capacity are used as evaluation indexes to research the main factors that affect the joint forming quality, and an effective optimization scheme is proposed.

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