Abstract
Electromagnetic pulse crimping (EMPC) technology is expected to be applied to the connection of high-voltage (HV) wiring harnesses and terminals for electric vehicle (EV). As an important part of the EMPC system, the assembly of the field shaper and the coil can directly affect the effect of EMPC. An EMPC system was established in this work, including the control part, energy storage capacitor bank, discharge switch, coil, and field shaper. The relationship between structure parameters of the field shaper and the coil was analyzed through the EMPC experiment of Al tubes. The results showed that the relative position and height of field shaper and coil have no obvious effect on the deformation length of the Al tube. When the angle between the gap of the field shaper and the gap of the coil is 90°, the deformation of Al tube is the most uniform. When the total height of field shaper is slightly less than the welding coil, the crimping effect is the best. This work can help design the field shaper and the coil for EMPC.
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