Inception by Emit Clasalle

Beginning quietly half a century ago and now used globally in a vast array of industry applications, orbital welding has seen an exponential growth in use since its nascent stages in the 1960s. The technology was first employed in the aerospace industry where increasingly technical specifications demanded a higher degree of perfection than could be provided by human hands. The riveting on space-bound vessels needed to be done at a level of efficiency and speed that was simply impossible for man to match. It was yet another John Henry parable coming to fruition in the 20th century.

It wasn’t long after that the orbital manufacturing process found itself being used to mass-produce more commercial products, like the airplane and sea-liner. Again, the speedy nature of the welding process, coupled with its daunting perfection, made it an obvious choice for cost-effective labor.

At it’s most rudimentary level, the practice involves placing tubing or piping inside a specially design arc tool, which encloses itself around the desired area for the arc. This tool is connected a gas-regulating mechanism that powers the flame which will move in a circular pattern around the pipe or tube in order to make the bevel. The depth of the incision, speed or the arc and intensity of the flame are all controlled by computer which can be loaded with preset programs to continue the same exact specifications hundreds, if not thousands, of times.

Today, the field has moved well beyond the aerospace industry and can be found in warehouses and construction sites around the world. One of the more popular applications of the technology has been in the creation of ‘clean rooms’ where superconductors and other highly technical equipment are produced.

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