Plasma cutting is the most common procedure to cut metals like steel, aluminum and many others. Plasma cutters use a torch known as plasma torch for cutting. In this process, an inert gas is used that is blown at high speed out of a nozzle, which at the same time crests an electrical arc from the nozzle to the surface being cut, this turns some of that gas into plasma. This plasma is sufficiently hot to melt the metal being cut and moves sufficiently fast to blow molten metal away from the cut.
Plasma cutting was considered as a very productive way to cut sheet metal and plate in the 80s, but as initial plasma cutter were large, slow and expensive therefore was not enough for a mass usage. Later with introduction of new techniques like CNC technology into the Plasma Cutting Machines, they started offering great flexibility to cut and that too in highly diverse shapes.
Plasma cutters use a number of methods to start the arc. In some units, the arc is created by putting the torch in contact with the work piece and many others; all Longevity Global Inc. Plasma Cutters feature Pilot Arc. Talking about the Pilot Arc process, it enables us to start an arc on plasma cutter, there is no need scratch start the tip of the torch or to use any high frequency for starting the arc.
These cutters cut the expandable metals and also the uneven surfaces and yet there is no need to re-strike the arc all the time. You can get some of the best Plasma cutting equipment at Longevity Global Inc.