Affordable plasma cutters are becoming a popular step up from an angle grinder for cutting sheet metal in the home workshop, but cutting long straight lines can be laborious and less than accurate.

Yesterday, We were invited to a product demo put on by Hypertherm, a company out of New Hampshire that makes cutting products for industrial and home use. Specifically, they make plasma cutters, and ...

Plasma is superheated, compressed air that ionizes to form a conductive gas. This gas conducts electricity from the torch of the plasma cutter to the work piece, through a electrode and copper nozzle ...