厚板窄间隙焊接技术研究现状与应用进展

Research status and application progress of narrow gap welding technology for thick plates

窄间隙焊接技术已经成为现代工业生产中厚板结构的首选技术,其技术和经济优势决定了它是今后厚板焊接技术发展的主要方向之一,近年来随着科技工作者的不断探索和研发,相继涌现了多种窄间隙焊接方法,文中对电弧焊、激光焊和激光-电弧复合焊等窄间隙焊接制造技术进行了系统阐述,概述了不同热源窄间隙焊接制造过程中的焊接质量、焊接效率的影响因素,归纳了不同热源窄间隙焊的工艺特点及应用领域,结合国内外相关技术的发展现状,总结了窄间隙焊技术面临的问题,提出了后续的发展建议,为相关领域的科研工作者提供参考.

Narrow gap welding technology has become the first choice for welding thick plate structures in modern industrial production.Its technical and economic advantages determine it to become one of the main directions of the future development of thick plate welding technology.In recent years,with the continuous exploration and research and the development of scientific and technological workers,a variety of narrow gap welding methods have emerged.In this paper,narrow gap welding manufacturing technology is systematically described,introducing the narrow gap welding manufacturing technology such as electric arc welding,laser welding,and laser-arc hybrid welding.Meanwhile,this paper outlines the factors influencing the quality and efficiency of the manufacturing process of narrow gap welding with different heat sources,and summarizes the process characteristics and application areas of narrow gap welding with different heat sources.Subsequently,combined with the development status of related technologies at home and abroad,this paper summarizes the problems faced by narrow gap welding manufacturing technology and puts forward subsequent development proposals,with a view to providing references for researchers in related fields.