Effects of inherent parameters of equipment on riveting performance in low-voltage electromagnetic riveting

The effects of inherent parameters of low-voltage electromagnetic riveting equipment on discharge current and discharge voltage were systematically studied with simulation method, and the work condition of equipment was divided into two categories according to the changes of discharge current. Theoretical analysis showed the good riveting performance of equipment in oscillation damping condition. Furthermore, by adjusting the inductance of riveter to make the equipment be at different working states, riveting experiments on 2A16 rivet with the diameter of 6 mm were conducted, and results validated the theoretical analysis. To achieve the best riveting performance, parameters of discharge circuit should be synthesized to match each other and thus to make the equipment work at the oscillation damping state, which can be seen as the main guidance for design of equipment.