Ernest A Benway is a technical specialist in welding systems at the Swagelok CompanySince its introduction into the aerospace industry during the 1960s, automatic orbital gas tungsten arc welding (GTAW) has found increased favour in several industries, by virtue of its integrity against leaks, ultra cleanliness and all-round high performance.Initially, the aerospace industry was drawn to automatic orbital GTAW by the precise reliable joints made - in comparison to established manual techniques. That is why critical processes, such as the joining of aircraft hydraulic and fuel lines have been performed in this way for over 30 years. Such automatic orbital systems are routinely required to execute hundreds of welds at one stretch, where the failure of just one joint would cause catastrophic consequences.
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