Do plasma cutters use gas?
Yes, plasma cutters use gas as a part of their cutting process. The gas is used to create the plasma arc, which is the high-temperature, ionized gas that melts and cuts through the metal being worked on.
There are two main types of gases used in plasma cutting:
Plasma Gas: This gas is used to create the plasma arc. It is typically a combination of gases such as nitrogen, hydrogen, and argon, which are ionized by the plasma cutter's electrode to create the high-temperature plasma arc.
Shielding Gas: This gas is used to protect the cut and prevent oxidation during the cutting process. It is typically a mixture of argon, helium, and carbon dioxide, which creates a protective envelope around the cut to prevent air from coming into contact with the molten metal.
The type and mixture of gas used will depend on the type of material being cut and the desired quality of the cut. Different gases will produce different results, so it is important to consult the manufacturer's recommendations and experiment with different gas mixtures to achieve the best results.
In summary, plasma cutters do use gas as a part of their cutting process. The combination of plasma and shielding gases is critical to achieving clean, precise cuts in a variety of metals and other conductive materials.