Technical experiments of heavy al - alloy pressure - tight shell casting was conducted by low pressure casting 摘要采用低压铸造法对大型铝合金耐压壳体的铸造工艺进行了试验研究。
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The results show that using a two - rise - liquid - tube technical scheme and reasonable parameters can produce a large quantity of high quality al - alloy pressure - tight shell 结果表明：应用双升液管铸造工艺方案和合理的工艺参数，能够批量生产出高质量的铝合金耐压壳体铸件。
