【摘要】 随着交通运输、航空航天、海洋工程等行业的快速发展,对于高效化、高质量化的焊接生产提出了更高的需求。复合热源的产生对于实现高效化,高质量化的焊接展开了广阔的发展前景。Plasma-MIG复合电弧焊接特点在于焊丝熔化速度快、无飞溅、焊接过程稳定,焊缝成形美观、气孔少、晶粒小、接头质量高,是一种高效化、高质量化的复合热源焊接工艺。简要介绍了Plasma-MIG复合热源的研究进展及应用现状,并对未来该焊接工艺的发展趋势进行了分析评价。更多还原

【Abstract】 With the rapid development of transportation,aerospace and marine engineering industry,higher requirements for high efficiency, high quality of welding production had been proposed.Hybrid heat source presents a broad prospect for the achievement of high efficiency,high quality welding.For high the high wire melting rate,no splash,the stable welding process,good weld shape,low porosity,fine grain size, and high-quality welded joints,plasma-MIG(metal inert-gas) hybrid arc is a high-quality hybrid welding process.The basic requirement and research progress of the hybrid arc welding at present was introduced,and the development trend in the future was presented.更多还原