接头延伸率的改善同热影响区冷变形程度的减弱及焊缝强度、应力水平同母材趋于一致有很大关系。
Improvement of elongation of joint is related to weaker cool deformation degree of heat affect zone (HAZ) and uniformity of strength and stress level between weld and base metal.
针对管焊缝，研究了其水平视角传感方法。
为了提高CO_2气体保护焊的自动化水平，本文研制了用于CO_2气体保护焊的电弧传感焊缝跟踪系统。
In order to improve the level of automatic welding in CO_2 shielded welding, the tracking system of welding seam based on arc sensor for CO_2 shielded welding is developed in this paper.
大角焊缝的应力水平是影响大型油罐安全的重要因素之一。
The stress of shell-to-bottom fillet welds is one of the most important factors of the safety of large oil tanks.
为提高常规气电焊工艺水平，进行了保护气体质量及配比对焊缝质量影响规律的研究及气电焊辅具的研制。
In order to improve conventional GMAW process the effect of shielding gas quality and mixed ratio of different gases on welding quality are studied and useful fixtures are developed.
研制了适合水平直焊缝和水平圆形焊缝的窄间隙埋弧焊专用焊机。
A special design of narrow gap SAW machine is developed in order to weld straight and circular joints at flat position.
研制了适合水平直焊缝和水平圆形焊缝的窄间隙埋弧焊专用焊机。
A special design of narrow gap SAW machine is developed in order to weld straight and circular joints at flat position.
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