Smart structural bonding process applied to high speed actuators: an experimental comparative characterization

This paper details a comparative study of the bonding process influence on steel sheet insulation for high speed actuators. In the present context where the performance of electric actuators is the main objective, improving performance of materials and industrial processes are key factors. In spite of highly accurate models and design tools being useful for this purpose, the efficiency is naturally limited to the materials’ performances. The proposed study compares 8 bonding configurations of sheet stacks for electric machines. The 8 configurations are based on a smart structural bonding process. High frequency iron losses measurements are used to determine the bonding influence on stack sheet insulation. The results show that adhesives and their implementation processes have both an important impact on high frequency iron losses through insulation quality and global stack performance.