| 直缝焊管预焊缺陷对埋弧焊质量的影响及控制 |
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| 引用本文： | 李东,刘庆才.直缝焊管预焊缺陷对埋弧焊质量的影响及控制[J].焊管,2007,30(4):79-82. |
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| 作者姓名： | 李东 刘庆才 |
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| 作者单位： | (番禺珠江钢管有限公司) |
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| 摘 要： | 简述了直缝埋弧焊管机组中五组压辊式预焊机的工艺过程及特点，介绍了预焊作业中常见的气孔、夹渣、烧穿、错边、焊偏等缺陷。分析了焊接缺陷对埋弧焊质量的影响。通过对影响预焊质量因素的分析，提出了预焊质量控制措施。
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| 关 键 词： | 直缝埋弧焊管 预焊 焊接缺陷 质量控制 |
| 文章编号： | 1001-3938（2007）04-0079-04 |
| 修稿时间： | 2007-01-15 |
Affects and Control to Welding Quality of Tack Welding Defect for LSAW Pipe |
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| LI Dong,LIU Qing-cai.Affects and Control to Welding Quality of Tack Welding Defect for LSAW Pipe[J].Welded Pipe and Tube,2007,30(4):79-82. |
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| Authors: | LI Dong LIU Qing-cai |
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| Abstract: | This article describes briefly process procedure and characters of 5 sets rolling tack welders for longitudinal submerged arc welding pipe unit,and introduces common defects during tack welding operation,such as air pocket,slag,arc burn,offset and misalignment etc.It analyzes effect of welding defects to welding quality of submerged arc welded and puts forward quality control measure to tack welding. |
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| Keywords: | longitudinal submerged arc welded pipe tack welding welding defect quality control |
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