頁籤選單縮合
題 名 | Study on Optimization of Process Parameters for Hydromechanical Deep Drawing of Trapezoid Cup |
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作 者 | Dao, Thanh-phong; Huang, Shyh-chour; | 書刊名 | 工程科技與教育學刊 |
卷 期 | 8:1 2011.03[民100.03] |
頁 次 | 頁53-71 |
分類號 | 448.5 |
關鍵詞 | Hydromechanical deep drawing; Optimization; Finite element method; Taguchi method; |
語 文 | 英文(English) |
英文摘要 | Optimization the process parameters in hydromechanical deep drawing (HDD) of trapezoid cup is an important task for reducing production cost. To determine the optimum values of the process parameters, it is essential to determine their influence on the deformation behavior of the sheet metal. The most important process parameters for affecting thickness distribution of a trapezoid cup, namely punch speed, chamber pressure and friction coefficient, were determined. The Finite element method (FEM) combined with the Taguchi method served as a predictive tool to determine the influence parameters. FEM and the Taguchi method were used to identify the influence of each parameter considered in this study. The simulation was carried out with an orthogonal array (L9) of the Taguchi method. Based on analysis signal to noise and analysis of variance tests, it was found that optimal values of parameters are pressure at level 2 (8.5 MPa), friction coefficient at level 1 (0.005) and punch speed at level 2 (7500 m/s). Among these factors, friction efficiency has the greatest effect on thickness distribution in the HDD of the trapezoid cup. |
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