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Introduction to the advantages and disadvantages of self-piercing riveting technology
Advantages: materials with different material properties, coatings and difficult to be connected by welding can be riveted; aluminum and high-strength steel materials are riveted by self-piercing riveting method, riveting reliability is better than spot welding; riveting quality is stable , To achieve a firm and consistent riveting effect; the riveting process is clean and smoke-free; it consumes much less energy than welding; the riveting process is easier to automate. (Guide: Briefly describe the material and processing technology of high-strength bolts)
Disadvantages: When connecting steel plates, self-piercing riveting has lower tensile strength than spot welding; during riveting, there is a protruding riveting buckle at the tail, which is not flat enough; because the riveting process requires a lot of pressure, the riveting equipment is relatively heavy; During self-piercing riveting, both sides of the material at the riveting site must be in contact (one side is a punch and the other side is a die), instead of single-sided riveting.
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