窄间隙焊方法包括如窄间隙TIG焊、窄间隙熔化极焊、窄间隙焊条电弧焊、窄间隙细丝埋弧焊等方法，其中窄间隙TIG焊又包括窄间隙冷丝TIG焊和窄间隙热丝TIG焊。
...梁;钢筋接头;窄间隙焊;焊工 [gap=714]Key words】Import traffic bridge; Precast beam; Reinforced joints; Narrow Gap welding; Welder ...
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二、窄间隙焊（NGW-narrow gap welding） 厚大板件（对接）焊接时不开坡口、只留很窄间隙的一种焊接工 艺，有窄间隙焊埋弧焊、窄间隙气体保护焊包括NG-TIG 、NG-MIG／ MA...
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... 焊剂垫焊welding with flux backing 窄间隙焊narrow-gap welding 强制成形焊enclosed welding ...
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手工电弧焊焊缝耐腐蚀性优于超窄间隙焊焊缝。
The manual welding welded joint inoxidizability surpasses the ultra narrow gap welding joint.
介绍了窄间隙焊的特点，对坡口形式的确定、埋弧焊剂的筛选、焊接工艺参数的选择进行了详细分析。
Introduces the feature of the narrow gap welding, and analyses how to determine the form of groove, screen out submerged-arc welding flux and choose welding condition in detail.
发现超窄间隙焊的焊接电压范围在21 ~ 24v，电流在210 ~ 270a能够得到较好的焊缝成形。
When welding voltage is between 21v and 24v and welding current is between 210a and 270a, better welding line can be obtained.
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