How Does Plasma Cutting Machine Works
We are talking about here ” How does a Plasma cutter work ” . Plasma cutting work by sending an electric arc through a gas passing through a narrowed & constricted opening. The Gas can be air nitrogen and oxygen. This elevates the temperature of the gas so much that it enters the fourth state of matter. We are all familiar with the first three: solid, liquid and gas. Basically the Scientists call this additional state plasma. which metal being cut is important and part of the circuit, the electrical conductivity of the plasma causes the arc to move the work.
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The gas goes through the restricted the opening (nozzle), squeezing it at rapidly, like air passing through the venturi in a carburetor.
This high-speed gas cuts through the molten metal. If we seen the gas is also directed around the perimeter of the cutting area to shield the cut and So it gives result with good finishing.
According to today’s growing technology many of today’s latest and advanced plasma cutters, between the electrode and nozzle a pilot arc is used which ionize the gas and initially generate the plasma before the arc transfers.
Various methods and strategies have been used which are contacting the tip of the torch to create a spark, and using a high-frequency starting circuit which we also call a spark plug. These latter two methods is not compatible with CNC (automatic) cutting.
This picture shows the swirl ring that is on top of the electrode and causes it to twist rapidly as the plasma passes through.
While these parts are all referred to as consumables, it is the nozzles and electrodes and those that wear out and need replacement from time to time.
CNC plasma cutter which helps to completely automates the shape production process. For instructions to a primitive (by today’s standards) computer early CNC machines used tape with tiny holes.
The present time CNC units either utilize great costly limited production computers built specifically for run burning machines, or PCs ( Personal computer) adapted to run the machines in a right way.
Both offer similar cut quality and production speed. In CNC cutting system you arrange and set your shapes on a computer screen and you can easily cut them automatically without touching the material you are working on. CNC software lets you pause for piercings, scale up or down in seconds, set acceleration and deceleration at corners, and perform other tasks that aren’t possible with electrics.
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