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首页> 外文期刊>Journal of Materials Engineering and Performance >Numerical and Experimental Study of the Efficient Parameters on Hydromechanical Deep Drawing of Square Parts
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Numerical and Experimental Study of the Efficient Parameters on Hydromechanical Deep Drawing of Square Parts

机译：方形零件水力机械深冲有效参数的数值和实验研究

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摘要

In hydromechanical deep drawing (HDD), a chamber of fluid replaces the matrix and the final form of part is determined based on the form of rigid punch. Allowable working zone in this process indicates the applicable range of chamber pressure versus drawing ratio to achieve a rupture-free drawing. In this article, the HDD of the square parts was studied using the finite element method (FEM) and the effect of different parameters of the process such as pre-bulging pressure, chamber pressure, and friction coefficient on the working zone was investigated. The results showed that increasing of the friction between blank and die or blank and blank-holder confines the working zone, while by increasing of the friction between blank and punch, the working zone becomes larger. A study was also carried out using experimental setup for verifying the FEM results. Finally, the numerical results were compared with experimental ones.
机译：在液压机械深冲（HDD）中，流体腔代替了基体，零件的最终形式是根据刚性冲头的形式确定的。在此过程中允许的工作区指示腔室压力与拉伸比的适用范围，以实现无破裂拉伸。在本文中，使用有限元方法（FEM）对方形零件的HDD进行了研究，并研究了工艺的不同参数（例如预鼓胀压力，腔室压力和摩擦系数）对工作区的影响。结果表明，坯料与模具之间或坯料与坯料夹持器之间的摩擦力增加会限制工作区，而坯料与冲头之间的摩擦力则会增加工作区。还使用实验设置进行了研究以验证FEM结果。最后，将数值结果与实验结果进行了比较。

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