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skull casting
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skull casting
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[铸造]
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skull casting
凝壳铸造
在真空条件下,利用各种加热方式(如电弧、电子束、等离子束、电磁感应等),在强制水冷铜坩埚内熔化金属,优先在坩埚和金属熔体之间形成一层由金属熔体凝固而产生的固体凝壳层,后续的金属全部在该凝壳内部熔化,当完成熔炼后,随即翻转坩埚,使熔融金属通过浇嘴注入铸型中并凝固成铸件的铸造方法。
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