Stamping defects of electric vehicle battery cover can and tryout technique
Electric vehicle battery is one of the most import part on the car.The forming of the battery cover may has crack,wrinkle,spring-back defects,etc.And also the mating surface's dimension should has less variation to improve the mating quality.This paper shows a copy die to improve the material utility further.This stamping process put the mating surface on the forming binder,and also decrease the distance of the draw-bead with the punch opening so that to decrease the blank size.But this processing improved the difficult of forming.The paper shows the method to solve the forming defects during stamping tryout.
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