What is Plasma

What is Plasma? The Fourth State of Matter
One common description of plasma is to describe it as the fourth state of matter. We normally think of the three states of matter as solid, liquid and gas. For a common element, water, these three states are ice, water and steam. The difference between these states relates to their energy levels. When we add energy in the form of heat to ice, the ice melts and forms water. When we add more energy, the water vaporizes into hydrogen and oxygen, in the form of steam. By adding more energy to steam these gases become ionized. This ionization process causes the gas to become electrically conductive. This electrically conductive, ionized gas is called a plasma

How Plasma Cuts Through Metal

Plasma Process

The plasma cutting process, as used in the cutting of electrically conductive metals, utilizes this electrically conductive gas to transfer energy from an electrical power source through a plasma cutting torch to the material being cut.

The basic plasma arc cutting system consists of a power supply, an arc starting circuit and a torch. These system components provide the electrical energy, ionization capability and process control that is necessary to produce high quality, highly productive cuts on a variety of different materials.

The power supply is a constant current DC power source. The open circuit voltage is typically in the range of 240 to 400 VDC. The output current (amperage) of the power supply determines the speed and cut thickness capability of the system. The main function of the power supply is to provide the correct energy to maintain the plasma arc after ionization.

The arc starting circuit is a high frequency generator circuit that produces an AC voltage of 5,000 to 10,000 volts at approximately 2 megahertz. This voltage is used to create a high intensity arc inside the torch to ionize the gas, thereby producing the plasma.

The Torch serves as the holder for the consumable nozzle and electrode, and provides cooling (either gas or water) to these parts. The nozzle and electrode constrict and maintain the plasma jet.

Advantages and disadvantages of Plasma cutting

In this world, everything has its own pros and cons and even the life is shared with 50% positives and other half with negatives, so the machines are not the exemption. Plasma cutter, the scientific welding machine has some majority percentage of positives; you can ask me what about other few percent. Yes, it has negatives, but depends on our usage and buying. Let us discuss briefly about the pros and cons of this welding machine in brief so that when you go to buy this machine, you can buy it with ease and also you can know buy this machine by knowing its major facts. This plasma cutting machine has been preferred by the industries for more than 50 years and it is one of the preferred methods for cutting the metal.

Plasma Cutting Machine

From 70′s it has occupied the industries in the wide range and offer several advantages than other cutting methods. This welder is one of the fastest welding machines and does the welding process in an accurate way. It requires no preheating so that the torch can begin its cutting immediately. Its speed is up to 500 IPM and it is one of the best versatile welders. It has the capability to pierce, intricate cutting and always believe in one operation. It can effectively cut any electrically conductive metal that is 6″ thick and with its high precision components, it eliminates the cost of some secondary operations. It has the torch head that is computer controlled and creates a clean and sharp cut.



Plasma cutter always gives high cut quality and has less dross and high quality edges. This welder results in high quality production and it is very easy to use. Though the machine may seem complicated, it is capable of producing amazing results. It is safe and offers a quality system that draw smoke away from the operator. It is used by workers and industries in different varieties of condition and it can even cut large sheets of metal. The plasma cutter executes magical results because it uses the basic standards of physics called plasma and this gas has the capacity to weld any kind of metals because it has that much heat capacity. The outside surface remains relatively cool and prevent wrapping and paint damage.

It cuts five times faster than any other welding machines and performs other welding operation that is called as plasma gouging. It can pierce any kind of metal quickly and has adjustable post flow cooling and over current warning facility. This excellent welding machine has only few cons that is it requires frequent replacement of some spare parts if it is not used properly, but it can rectified if the user use it with proper care. The myth surrounding this welder is that it costs more, but it is not true and it is available in cheap prices with warranty and guarantee. So make use of the best welding machines and equip your industry with this excellent scientific welding machine.

CNC plasma cutting table

What is CNC plasma cutting? CNC plasma cutting is computer numerical control (CNC) plasma cutting and these machines are there since the last 30 years. In other words, the plasma cutting process is computer controlled, although it is the human hand which guides plasma cutting.

To facilitate plasma cutting, CNC plasma cutting table is available in the market. The professional grade CNC plasma cutting table is very easy to use and delivers outstanding cuts, curves and sharp corners.

CNC Plasma Cutting Tables

CNC plasma cutting table is very reliable. It uses the computer to create shapes to be cut and controls the cutting machine. The shapes are much smoother than would be possible with manual instruments. Intricate curves, inside cuts and sharp corners are possible with the CNC plasma cutting table.

When deciding on a CNC plasma cutting table, there are many options available in the market. It can be very confusing and make the buying process very difficult. Before deciding on a CNC plasma cutting table, it is better to keep the following in mind

- CNC cutting tables should have complete factory configured and tested turnkey systems

- CNC plasma cutting tables should be built upon fully welded steel frame and contain the tracker drive system

- It should have an integrated industrial micro computer.

- CNC cutting table should have all human interface devices and easy to use versatile software

- It should not be very complex but easy to use.