Plasma cutters are tools used for precision cutting of various metals. They work by creating an electrical arc that passes through a gas, typically compressed air, or nitrogen, transforming it into a high-temperature plasma. This intense plasma jet can melt through metal, allowing for precise and efficient cutting in industries such as manufacturing, construction, and automotive. Plasma cutters offer versatility, speed, and can handle different thicknesses of metal, making them a popular choice for cutting applications.
These cutters require direct contact between the electrode and the workpiece to initiate the arc. Once the arc is established, it creates a high-temperature plasma stream for cutting.
Pilot Arc Plasma Cutters
Pilot arc cutters use a high-frequency circuit to generate a low-current, high-voltage pilot arc. This pilot arc then bridges the gap between the electrode and the workpiece, creating a plasma stream. Once the arc is formed, the cutter can be brought closer to the workpiece for precise cutting without making direct contact.
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FAQs
What metals can be cut with a plasma cutter?
Plasma cutters are versatile tools capable of cutting a wide range of metals. They can effectively cut through mild steel, stainless steel, aluminium, copper, brass, and other conductive materials. The ability to cut different metals depends on factors such as the power of the plasma cutter, the gas used, and the thickness of the material. However, it's important to note that some exotic or highly reflective metals may require specialized plasma cutting systems or techniques.
What thickness of metal can a plasma cutter cut?
Plasma cutters can cut various thicknesses of metal, ranging from thin gauge sheets to thick plates. The cutting capacity of a plasma cutter depends on its power output and the specific model. Generally, plasma cutters can efficiently cut metal ranging from a few millimetres to several centimetres thick. Higher-powered plasma cutters have the ability to cut through thicker materials with increased speed and precision.
Can a plasma cutter be used on non-metal materials?
Plasma cutters are primarily designed for cutting metal materials and are not typically used for non-metal materials. The high-temperature plasma generated by the cutter is specifically optimized for cutting through conductive metals. While it may be possible to cut certain non-metal materials with a plasma cutter, the results may not be satisfactory or precise, and alternative cutting methods are generally preferred for non-metal materials like wood, plastics, or ceramics.
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