What is Plasma?
Plasma is often called “the fourth state of matter”, usually the first three state are solid, liquid and gas, just as liquid will boil, changing into a gas when energy is added, heating a gas will form a plasma—a soup of positively charged ions and negatively charged electrons.
What is Plasma Cutting?
Plasma cutting is a melting process in which a jet of ionized gas at temperatures about 20000℃ is used to melt and expel metals. Since plasma cutting machines produce a very hot and very localized “Arc” to cut with, they are extremely useful for cutting sheet metal in curved or angled shapes. Any conductive metals include steel, stainless steel, aluminum, brass, copper and alloys, etc.
How does plasma cutting work?
Plasma cutting machines creates plasma by electric arc which is passed through a gas such as nitrogen, oxygen, argon or air. The plasma can be forced through a small opening like a nozzle, which can cut through conductive metal.
The plasma cutting includes:
Power source
Air compressor
Torch
Plasma cutting processes:
Hand-held cutting torches can usually cut up to 38mm thick
CNC cutting torches can cut up to 150mm thick
Cutting applications include:
Straight cutting
Gouging
Grid cutting
Piercing
Marking
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