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Riveting technology

Spiral riveting, hot riveting, and cold riveting are the three main forms of riveting technology, each with its own characteristics and application scenarios.

  • Spiral riveting

    Principle: Rotary riveting is the process of inserting a rivet into a material through a rotating rivet head. As the rivet head rotates, the rivet gradually penetrates into the interior of the material, forming a strong connection.

    Advantages: Simple operation, fast speed, suitable for large-scale production. For thin-walled materials or connections with low requirements, riveting is an economical and effective choice.

    Disadvantage: For heavy materials or situations requiring high-strength connections, the strength of rivets may be insufficient. In addition, if there are obstacles inside the material, it may affect the effect of riveting.

  • Hot riveting

    Principle: Hot riveting is the process of heating a rivet to a certain temperature, making it soft, and then quickly inserting it into the material. Through heat transfer, the material is fused to form a connection.

    Advantages: Hot riveting can provide high strength and tight bonding, suitable for thick walled materials or occasions requiring high-strength connections. Hot riveting can usually eliminate gaps between rivets and improve the overall stability of the structure.

    Disadvantage: Hot riveting requires high equipment and operational requirements, and the heating process may result in deformation or heat affected zones, which may have adverse effects on certain materials. In addition, hot riveting may not be suitable for all types of materials.

  • Cold-rivet

    Principle: Cold riveting is the process of inserting a rivet directly into a material without heating, using kinetic energy to penetrate the material and form a connection.

    Advantages: Wide applicability, can be used for various materials, including metals, plastics, etc. Easy to operate, relatively low cost, suitable for small-scale production or maintenance work.

    Disadvantage: The strength of cold riveting is usually lower than that of hot riveting, especially for heavy materials or situations requiring high-strength connections, which may not meet the requirements. In addition, cold riveting may not completely eliminate the gap between the rivet and the material.

Self piercing riveting method

A special riveting technique usually refers to the use of a self piercing riveting gun for operation. This riveting method combines the characteristics of several riveting techniques mentioned above and achieves rapid riveting through mechanization.

The advantage of self piercing riveting method lies in its easy operation and high efficiency, making it particularly suitable for applications on automated production lines. It can quickly complete a large amount of riveting work, but may not be as flexible as traditional manual riveting for handling complex structures or special materials.

Overall, the choice of riveting method depends on specific application requirements, material types, structural complexity, and cost considerations. In the design and manufacturing process, it is usually necessary to comprehensively consider these factors in order to select the most suitable riveting method.