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本文介绍了冲压性能的重要指标、板材的硬化指数n值对其成形性能的影响;对n值的确定依据和试验方法,进行了探讨和试验研究,分析了试验结果,提出了对n值的一些重要看法和必须弄清的问题。对冲压工艺有现实的指导意义。
In this paper, the important index of stamping performance and the influence of the hardening index n on the formability of the sheet are introduced. The basis and test method for determining the value of n are discussed and the experimental results are analyzed. Some important ideas and issues that must be clarified. Stamping process has practical significance.