【摘要】 依据金属塑性变形中的体积不变条件,推导并经生产实例的验证,提出了圆筒形件拉深的坯料计算新公式,试图为冲压工艺及模具设计提供更科学的依据。更多还原

【Abstract】 According to the constant volume principle throughout metal plastic forming and by the si-mple deduction and validating with practical illustrations ,new formulas applied to calculate blank diameter of cup are set up.The purpose is to provide more scientific direction for stamping process and design of mould & tool.更多还原