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| 管道全位置自动焊机的专用电源及焊接工艺 |
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陈树君1, 卢振洋1, 任福深1,2, 梁君直3, 闫政3, 陈江3
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1.北京工业大学, 机械工程与应用电子技术学院, 北京 100022;2.大庆石油学院, 机械科学与工程学院, 黑龙江 大庆 163318;3.中国石油, 天然气管道科学研究院, 河北 廊坊 065000
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| 摘要: |
| 为实现管道全位置自动根焊,突破了传统的气体保护焊"恒压、等速送丝"系统的电压和送丝速度(即电流)的搭配关系,采用短路能量与燃弧能量自适应调节技术,研制成功专用的电弧能量调节器,通过IGBT的高速开关作用调节短路过渡MAG焊接过程中短路能量和燃弧能量的分配,保证电弧在更低电压、更大电流条件下稳定燃烧,以适应管道全位置根焊在小熔池基础上的高能量输入,实现了长输管线的全位置立向下自动根焊工艺.结果表明,其焊接效率较传统的手工纤维束焊条或TIG焊接工艺打底有明显的提高。 |
| 关键词: 管道焊接 根焊 全位置焊接 单面焊接双面成形 |
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| Special welding machine and welding process for all position automatic pipeline welding |
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CHEN Shujun1, LU Zhenyang1, REN Fushen1,2, LIANG Junzhi3, YAN Zheng3, CHEN Jiang3
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1.School of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China;2.School of Mechanical Science and Engineering, Daqing Petroleum Institute, Daqing 163318, China;3.Pipeline Research Institute of CNPC, Langfang 065000, China
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| Abstract: |
| A special arc energy regulator is developed to realize the all postion automatic root welding of pipeline welding.This generator adopting the self-adaption technology of short circuit energy and burning energy, breakthrough conventional matching relationship of the output voltage and the wire speed for the GMAW.Ensure the arc stability under the lower voltage and higher current, to adapt the high energy input of the all position root welding of pipeline. |
| Key words: pipeline welding root welding all position welding single sided weld with double sided formation |
