Hairpin, which is used for a drive motor of electric vehicle, formed from copper coil coated with very thin enamel layer to its desired shape by successive forming processes. The unavoidable springback hairpin has induced critical problems in fabricating the vehicle that directly related product performance motor. In this research, new method compensation was proposed using artificial intellige...

The effect of ultrasonic vibration on the springback and surface property for ultrasonic-assisted incremental sheet forming aluminum alloy were discussed. A series experiments established to explore symmetrical in order facilitate analysis experimental results. It is obtained that application can reduce effect. waviness feature becomes weaker with continuous increase amplitude topography tends ...