Chris Johns Sculpture
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Plasma Cutting

Plasma Cutting

Plasma Cutting

Plasma cutting uses a combination of an electric arc and a jet of compressed air to create a stream of ionised gas (plasma) which is easily hot enough to melt most metals including steel. This jet is focused and directed to make a narrow cut, no more than a millimetre or so wide and putting a minimum of heat into the rest of the metal.

Similar in essence to gas cutting the plasma process is considerably neater, with a much narrower kerf and finer control of the cut.

With practice plasma cutting can create remarkably precise and intricate designs even in thick steel plate and is an incredibly useful tool for cutting free form shapes and organic curves.

Unlike gas cutting it is just as effective in 'difficult' metals like aluminium, stainless steel and copper.
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