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汽車鎂合金輪轂等溫擠旋成型工藝優(yōu)化與試驗
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國家自然科學基金資助項目（50735005）


Technology of Magnesium Alloy Car’s Wheel Hub on Spinning Shaping
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    摘要:

    以汽車鎂合金輪轂為研究對象,，根據(jù)等溫擠旋成型新工藝要求，自行設計了擠旋成型裝備,，利用有限元方法對輪轂在徑向上產生的連續(xù)局部塑性變形過程進行數(shù)值模擬,，分析變形規(guī)律,，并通過正交試驗優(yōu)化工藝參數(shù)。擠旋成型試驗結果表明,，新工藝明顯增加了輪轂的連續(xù)變形區(qū)尺寸,，變形路徑合理，顯著提高了成型效率與加工精度,。

    Abstract:

    Take magnesium alloy car’s wheel hub as the investigated subject, and based on the advanced technology of magnesium alloy car’s isothermal spinning shaping, the equipment of spinning shaping was developed. The continuous and partial plastic deformation process of wheel hub radials were numerically simulated through finite element method, and deformation regulations were also analyzed and process parameters were optimized by orthogonal tests. The results of the experiments showed that this new technology significantly increased the size of continuous deformation zone, made deformation paths reasonable, and greatly improved shaping efficiency and machining accuracy.

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馬春生,張治民,郭玉明.汽車鎂合金輪轂等溫擠旋成型工藝優(yōu)化與試驗[J].農業(yè)機械學報,2012,43(3):223-229. Ma Chunsheng, Zhang Zhimin, Guo Yuming. Technology of Magnesium Alloy Car’s Wheel Hub on Spinning Shaping[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(3):223-229.

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  • 在線發(fā)布日期: 2012-03-17
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