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杯杯型复合挤压的有限元模拟范建文①吴诗②李淼泉③杯—杯型复合挤压在生产中已得到广泛应用［１］。目前的工艺设计主要依据试验数据和图表。［２］采用上限法分析了这类挤压过程。近年来，有限元法在塑性加工中逐步得到应用，成为目前塑性加工数值分析的主要方法。［...
Finite element simulation of cup-cup composite extrusion Fan Jianwen ① Wu Shifang ② Li Miaoquan ③ Cup-cup composite extrusion has been widely used in production [1]. The current process design is mainly based on test data and charts. [2] The upper bound method was used to analyze this extrusion process. In recent years, the finite element method has been gradually applied in plastic processing, becoming the main method of numerical analysis of plastic processing. [...