Transactions of Materials and Heat Treatment

Title：Influence of self-piercing riveting die damage on riveting quality

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ClassificationCode：TG386

year,vol(issue):pagenumber：2020,45(1):162-167

Abstract：

The influences of varying degrees for die damage in self\|piercing riveting (SPR) equipment on the quality of SPR riveted joints were studied by the method of experiment and finite element simulation. Then, the die damages were classified. And according to the die damage degrees, the die damages were divided into five levels, such as early damage and middle early damage, etc. Furthermore, A6111 aluminum sheet with thickness of 1.5 mm was riveted by damaged dies with varying degrees, and the appearance quality of riveted joints and geometric parameters of joint section were measured. The influence of die fracture damage on the joint quality of SPR riveted joint was investigated by tension peeling simulation experiment. The experimental results show that the die damages could damage the appearance quality of joint surface, and the damages increase with the increasing of the damage degree of die. When the die does not fracture, the die damages have little effect on the geometric parameters of joint section, but the fracture of die reduces the riveting quality.

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潘伟涛（1994-），男，硕士 E-mail：18655187903@163.com

Reference：

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