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IMPROVING GTAW FOR PRODUCERS, FABRICATORS

机译:改善生产商,制造商的GTAW

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摘要

GAS tungsten arc welding (GTAW), a joining process developed decades ago, has found an important niche among tube and pipe producers and fabricators. Initially known as heli-arc welding because it relied on helium to shield the arc from oxygen contamination, the basic process hasn't changed much since its inception: It uses an arc between a nonconsumable tungsten electrode and the workpiece to produce a weld pool, and it needs a shielding gas to protect the molten weld pool from contamination by oxygen in the ambient air.
机译:GAS钨极电弧焊(GTAW)是数十年前开发的一种连接工艺,在钢管生产商和制造商中发现了一个重要的利基市场。最初被称为螺旋电弧焊,是因为它依靠氦气来保护电弧免受氧气污染,但自其诞生以来,基本过程并未发生太大变化:它在非消耗性钨电极和工件之间使用电弧来产生焊缝,并且它需要一种保护气体来保护熔融焊池免受周围空气中氧气的污染。

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