为了解决这些应用中的问题，本文对国产板和日本板进行了冲压成形性能和工艺性的对比试验研究。
In order to solve these problems in application, using domestic and Japanese sheet, the paper studies the performance and process of stamping by comparative test.
在对模拟成形件进行成形特征分析的基础上，研究了特定成形方式下材料参数对冲压成形性的影响规律。
On the basis of analysis of the forming characteristics of rectangular cup, the influence of material parameters on formability under certain forming mode has been studied.
分析了小圆角圆筒件的成形工艺性，利用成本较低、塑性较差的角料，采用一次冲压工序完成二次拉伸的复合模。
Adopting once punching process and using fewer cost and worse plasticity leftover material finish twice drawing of compound die.
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