[1]何德孚,曹志樑,周志江,等.高功率激光深熔焊及其在不锈钢焊管生产中应用的障碍（一）——630mm连续不锈钢焊管机组焊接方法研究[J].焊管,2010,33(9):19-28.[doi:1001-3938（2010）09-0019-10]
　HE De-fu,CAO Zhi-liang,ZHOU Zhi-jiang,et al.High Power Laser Deep-penetration Welding and Its Troubles During the Production of Stainless Welded Pipe（1）—A Kind of Welding Method for 630mm Stainless Steel Continuous Welded Pipe Unit[J].,2010,33(9):19-28.[doi:1001-3938（2010）09-0019-10]
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高功率激光深熔焊及其在不锈钢焊管生产中应用的障碍（一）
——630mm连续不锈钢焊管机组焊接方法研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
33
期数:
2010年第9期
页码:
19-28
栏目:
应用与开发
出版日期:
2010-09-28

文章信息/Info

Title:
High Power Laser Deep-penetration Welding and Its Troubles During the Production of Stainless Welded Pipe（1）
—A Kind of Welding Method for  630mm Stainless Steel Continuous Welded Pipe Unit
文章编号:
1001-3938（2010）09-0019-10
作者:
何德孚1; 曹志樑2; 周志江3; 蔡新强2; 徐阿敏2
（1.久立焊管研究所，上海200235；2.久立特材科技股份有限公司，浙江湖州313012；3.久立集团，浙江湖州313012）
Author(s):
HE De-fu1; CAO Zhi-liang2; ZHOU Zhi-jiang3; CAI Xin-qiang2; XU A-min2
(1.Juli Welded Pipe Research Institute,Shanghai 200235,China; 2. Zhejiang JIULI Hitech Metals Co.,Ltd.,Huzhou 313012,Zhejiang,China; 3. JIULI Group Co.,Ltd.,Huzhou 313012,Zhejiang,China)
关键词:
不锈钢焊管; 激光深熔焊; 能量传输; 等离子羽团; 珠状焊道; 缺陷; 组合焊
Keywords:
stainless welded pipe;  laser deep-penetration welding;  power transfer;  plasma plummes;  weld bead;  defect;  combined welding
分类号:
TG47
DOI:
1001-3938（2010）09-0019-10
文献标志码:
A
摘要:
分析了CO2激光焊的熔深及稳定性实现的三个重要机理性问题：激光束能量怎样稳定地传输给焊接熔池；激光束在焊件上形成熔孔后其周围熔池金属怎样稳定地流动而形成稳定的焊缝；激光束激发的熔孔（小孔）内金属等离子羽团的影响怎样控制。分析了焊缝及热影响区狭窄对激光焊推广应用的影响，介绍了LBW+GMAW组合焊接时两者的间距对熔滴过渡稳定性的影响。列举了高功率激光深熔焊在生产应用中的几个实例，指出了激光深熔焊研究的新动向。
Abstract:
This article analyzed penetration of CO2 laser welding,and its three important mechanisms to realize its stability.These three mechanisms are as follows:how to stably transfer laser beam power to welding pool;after fused hole formed in weld part,how the welding pool metal around fused hole stably flow to form stable weld;how to control metal plasma plummes in fused hole caused by laser beam.It analyzed the effect of narrow weld and HAZ on extending laser welding,introduced the effect of gap between LBW and GMAW on droplet transfer stability,while adopting LBW+GMAW combined welding.Finally,it listed several examples of high power laser deeppenetration welding used in production,and pointed out the research trend of laser deep-penetration welding.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介：何德孚（1937—），男，教授，上海久立焊管研究所所长，长期从事焊接方法、焊接过程自动控制、电焊机及电力电子技术领域的教学和科研工作。
收稿日期：2010-02-22
更新日期/Last Update: