摘要
采用有限元方法对大型多孔止回阀充型和凝固过程进行数值模拟分析,结果表明造成铸件带状缺陷的主要原因为金属补缩量不够,最终通过优化铸件结构、增加浇铸重量以及增加冒口数量消除缺陷。
Numerical simulation analysis on heavy multi-hole check valve in filling and solidification process has been carried out by finite element method. The results showed that the main cause of casting strip defects was insufficient feeding quantity,finally the defects have been eliminated by optimizing casting structure and increasing pouring weight and riser quantity.
引文
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