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A mechanized plasma table with state-of-the-art software opened a new realm of possibilities for a traditional structural steel fabricator based in Aurora, Ill.
Plasma is defined in Websters as a ”collection of charged particles ... containing about equal numbers of positive ions and electrons and exhibiting some properties of a gas but differing from a gas in being a good conductor of electricity ...”.
Plasma cutting is the fastest cutting process on carbon steel, aluminum, or stainless steel.
Checklists for Plasma Maintenance.
Under water plasma cutting is nothing new - it was first done in the mid 1970's. But it still has many advantages that lead many fabricators, steel service centers, and manufacturers to prefer it over dry cutting. An "Air Curtain" or "Bubble Muffler" is used to create a pocket of air around the front end of the torch, shielding the arc from the water. But not every thickness of every material can be cut under water. So what are the limits, and what happens if you push them?