| 直缝埋弧焊钢管的扩径 |
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| 引用本文： | 张绍庆. 直缝埋弧焊钢管的扩径[J]. 焊管, 2000, 23(5): 42-47 |
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| 作者姓名： | 张绍庆 |
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| 作者单位： | 宝钢设计总院,上海,201900 |
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| 摘 要： | 对大直径直缝埋弧焊管生产中的扩径工序所采用的两种扩径方法－－机械扩径和水压扩径的原理、设备组成及特性进行了详细的对比和分析，并讲述了机械扩径头的改进和发展，指出机械扩径在目前仍是一种比较可靠有效的扩径手段。
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| 关 键 词： | 直缝焊钢管 埋弧焊 扩径 扩径机 尺寸精度 |
Expansion of Longitudinal Seam SAW Pipe |
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| Zhang Shaoqing. Expansion of Longitudinal Seam SAW Pipe[J]. Welded Pipe and Tube, 2000, 23(5): 42-47 |
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| Authors: | Zhang Shaoqing |
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| Abstract: | This article analysis and compares the two expansion methods-Mechanical Expansion and Hydrostatic Expansion of the large sized LSAW pipe production. It also describes the development of the mechanical expansion head , and points out that the mechanical expansion is one kind of reliable and effective expansion method at present. |
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| Keywords: | longitudinal welded pipe submerged Are welding expansion expansion machine structure process dimensional precision |
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