Divided from the cutting principle, cutting methods can be divided into dry cutting and wet cutting in two ways. So what is the difference between dry cutting and wet cutting? Here's a simple analysis:
There are three types of dry cutting: flame cutting, plasma cutting and laser cutting. The cutting principle of these three types is to generate high temperatures near the torch, melt the cutting plate, so as to achieve the purpose of cutting. The disadvantages are that the cutting material is limited and it is not possible to cut non-melting materials.
Wet cutting is high-pressure water cutting, which uses ultra-high pressure water jets to form "waterjet" cutting materials. Wet cutting is costly and has limitations in cutting sheet thickness, is not suitable for large thickness cutting and has a low cutting speed. However, the wet cutting range is wide, and it is suitable for various material plates; the cutting accuracy is high, the slitting is small and there is no pollution.
However, there are also dry and wet cutting points in plasma cutting. Dry plasma cutting, also known as air-cooled cutting, is the use of an air compressor to slit the sheet to achieve cooling effect. Wet plasma cutting, also known as water-cooled cutting, immerses the lower part of the cutting plate in water and then performs plasma cutting. The plate is cooled with water, and the dust and part of the arc generated during the cutting process are absorbed. Dry plasma cutting is less expensive, but it is very polluting. Water-cooled cutting pollution is small, but cutting costs are higher.
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