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Numerical Simulation Analysis of Filling Process in Large Magnesium Die Casting Part

机译:大型镁合金压铸件充型过程的数值模拟分析

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The optimum parameters of die casting process for large-scale magnesium alloy are studied numerically in this paper. The 3D CAD software is used to create the 3D solid model of die castings. The commercial finite element program ProCAST is used to simulate the physical properties of castings during filling process and allow the user to view the possible position of flaws. Then, the Grey relation analysis is performed to yield the optimum parameters of casting process. The three different types of factors used in research are plunger velocity (1-3 m/s), injection velocity (640-700℃), and die temperature (220-260℃), and the response quality interested are solid phase rate, pressure difference, and temperature difference. For this case study, the results show that better quality of large-scale magnesium alloy castings can be obtained when the process parameters are set to be plunger velocity of 2.1m/s, injection temperature of 640℃, and die temperature of 220℃.
机译:数值研究了大型镁合金压铸工艺的最佳参数。 3D CAD软件用于创建压铸件的3D实体模型。商业有限元程序ProCAST用于在填充过程中模拟铸件的物理特性,并允许用户查看缺陷的可能位置。然后,进行灰色关联分析以得出铸造工艺的最佳参数。研究中使用的三种不同类型的因素是柱塞速度(1-3 m / s),注射速度(640-700℃)和模具温度(220-260℃),并且感兴趣的响应质量是固相速率,压力差和温度差。对于此案例研究,结果表明,将工艺参数设置为柱塞速度为2.1m / s,注射温度为640℃和模具温度为220℃时,可以获得较大质量的大型镁合金铸件。

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