Archive for December, 2014

When talking to someone who is not in the metal fabrication industry and I tell them I work with plasma cutting equipment, I often get the question ‘What is plasma cutting?’  That’s the wrong question to ask me – unless you have some time on your hands….

First – a definition of plasma.  From : “A highly ionized gas containing an approximately equal number of positive ions and electrons”.  There are actually many different types of plasma gas (see Wikipedia)- we are interested in the high temperature type as the high temperature does the cutting in our application.

I get asked sometimes about the temperature of the arc – I am told it is in the neighborhood of 10,000 deg F to 30,000 deg F.  That’s some serious heat!!

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