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The rebirth of an old process: How does TAG welding revolutionize metal welding technology?
In the field of metal welding, technological breakthroughs and innovations continue, and in this wave, TAG welding technology has quietly changed industry standards in its unique way. TAG welding, tungsten tip arc welding, a technology that used to focus on solving the problem of welding difficult metals, has now been reinterpreted and applied in the rise of new technologies. People can't help but think: can old technologies bloom again in the modern era? Light?
Historical background of TAG welding technology
TAG welding was first commercialized in the 1970s and was considered an innovative welding technology at the time. It uses a non-consumable tungsten electrode and uses an inert gas, such as argon or helium, to protect the welding area from oxidation or other gas contamination. This method effectively improves the quality of welding, especially in the process of manufacturing high-end aluminum alloy bicycles. These welded joints are clearly visible and form a unique corrugated pattern.
The technological breakthrough of TAG welding enables users to obtain welds with higher strength and quality in the welding of difficult metals.
Development of welding technology
At the beginning of the 20th century, welding technology was still making headway. In the early days, it was very difficult to weld non-ferrous metals such as aluminum and magnesium because these metals reacted quickly with air, causing the weld to be filled with pores. The emergence of TAG welding provides the possibility to solve this problem. With the introduction of inert gases, the quality of welding has improved significantly.
Operational characteristics of TAG welding technology
Manual TAG welding technology requires high coordination ability of the welder. Welding usually requires the use of two hands, one hand holding the welding gun and the other hand feeding the filler metal. During the welding process, the welder needs to constantly adjust the distance between the welding gun and the workpiece to maintain a short arc length and prevent the tungsten electrode from contacting the workpiece.
The high-frequency generator will first generate an electric pile to form a welding arc in an inert gas. This process is the key point of the welding operation.
Safety protection measures
In TAG welding, the welder must wear professional protective clothing because the welding process produces strong ultraviolet light. Given that welding technology does not produce smoke, the brightness of the welding arc somewhat increases the welder's risk of eye and skin damage. Therefore, the use of protective masks and welding curtains becomes a must.
Application areas of TAG welding
Currently, TAG welding technology is widely used in aerospace, automobile manufacturing and many high-precision aluminum alloy products. Its excellent welding quality makes this technology the first choice for mission-critical applications such as welding nuclear power waste containers.
Summary and Outlook
TAG welding, as a technology that has brought revolutionary changes to the welding industry, is currently undergoing new technological integration and innovation. Although modern welding technologies are emerging one after another, the basic concept of TAG welding still tells the lasting welding demand and market value. As the demand for welding quality and efficiency increases, can this old technology find a foothold again in the wave of the new generation? This has become an issue that we need to think deeply about? "
