| 阀门前壳体顺序定向凝固铸造工艺的分析与应用 |
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| 引用本文： | 董霞,乐精华. 阀门前壳体顺序定向凝固铸造工艺的分析与应用[J]. 阀门, 2020, 0(2): 31-33 |
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| 作者姓名： | 董霞 乐精华 |
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| 作者单位： | 兰州高压阀门有限公司 |
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| 摘 要： | 介绍了双层锥壳结构铸件顺序定向凝固铸造工艺的技术特性,分析了阀门前壳体铸造工艺的操作规程,给出了薄壁型铸件射线探伤和超声及磁粉探伤的检测数据和结果。
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| 关 键 词： | 阀门壳体 铸造工艺 顺序定向凝固 隔砂外冷铁 |
Sequential Directional Solidification of Two-layer Conical Shell Structure Castings is a Classical Casting Process |
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| DONG Xia,YUE Jing-hua. Sequential Directional Solidification of Two-layer Conical Shell Structure Castings is a Classical Casting Process[J]. Valve, 2020, 0(2): 31-33 |
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| Authors: | DONG Xia YUE Jing-hua |
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| Affiliation: | (Lanzhou high pressure valve Co.,LTD.,Lanzhou730060,China) |
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| Abstract: | This paper introduces the casting process of the classic two-layer conical shell structure castings with“sequential directional solidification”,which is suitable for the thin-walled castings with complex requirements of radiographic inspection,ultrasonic and magnetic particle inspection.It belongs to the model technology of textbook casting. |
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| Keywords: | sequential directional solidification outer sand chiller feeding channel temperature gradient thermal heating bright riser |
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