论文部分内容阅读
根据上限理论,导出了平底凸模与锥底凸模反挤时的单位压力计算公式,并将实测数据代入验算。比较了平底与锥底凸模反挤时单位压力的大小。提出了如何进行反挤凸模设计的方法和步骤。
According to the upper bound theory, the formula of unit pressure for anti-extrusion of flat-bottom punch and cone-bottom punch is deduced, and the measured data is substituted into the checking calculation. Comparing flat and conical bottom anti-extrusion unit pressure when the size. How to carry out anti-extrusion punch design methods and steps.