In recent years, the professional competition in automobile manufacturing has become increasingly fierce, and major manufacturers have also continuously introduced new models. These new models not only pay attention to safety, cost performance, and whether the style is novel, but also pay more attention to the travel economy of the car. Satisfy customer needs.
After the special combination screw penetrates the top sheet, under the action of the riveting die, the hollow structure at the tail of the combined screw expands and penetrates without piercing the bottom sheet, and then forms a strong riveting point.
1. Combined screws can connect light metals, non-ferrous metals, ferrous metals and non-ferrous metals. Therefore, in the production of car bodies, the self-piercing riveting technology of combined screws creates clear favorable conditions for rapid production and assembly line operations, especially for The connection between the wagon compartment panels is of great significance.
2. In order to achieve economy, the selection of body materials is very necessary, such as the selection of light metal or non-metal materials, because these materials cannot be welded and traditional riveting skills. Because the combination screw can complete the punching riveting at one time without affecting the appearance, it is selected by a wide range of automobile manufacturers.
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