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Laser cutting factory: what is laser cutting

Laser cutting factory: what is laser cutting

Laser cutting means that the laser cutting plant uses a high-power density laser beam to irradiate the material to be cut, thereby rapidly heating the material to the vaporization temperature and evaporating to form a hole. When the light beam moves on the material, the hole continuously forms a cutting slit with a narrow width (for example, about 0.1 mm) to complete the cutting of the material.

The price of laser cutting equipment used in laser cutting plants is quite expensive, about 1.5 million yuan or more. With the continuous development of the current storage tank industry, more and more industries and companies have used storage tanks, and more and more companies have entered the storage tank industry. However, because the cost of subsequent processing is reduced, it is feasible for laser cutting plants to use this equipment in mass production.

Since there is no tool processing cost, laser cutting equipment is also suitable for small batch production of various sizes of parts. The laser cutting equipment used in the laser cutting factory usually uses computer numerical control technology (CNC) equipment. After using this equipment, you can use a telephone line to receive cutting data from a computer-aided design (CAD) workstation. The principle of laser cutting:

Laser cutting is the use of a focused high-power density laser beam to irradiate the workpiece in the laser cutting equipment to quickly melt, vaporize, ablate or reach the ignition point of the irradiated material. At the same time, the high-speed airflow coaxial with the beam blows away the molten material, realizing the cutting of the workpiece. Laser cutting is one of the thermal cutting methods.

During the cutting process, auxiliary steam suitable for the material to be cut is added. When cutting steel, oxygen is used as an auxiliary vapor to generate an exothermic chemical reaction with the molten metal, thereby oxidizing the material and helping to blow away the slag in the slit. Compressed air is used to cut polypropylene and other plastics, and inert gas is used to cut flammable materials such as cotton and paper. The auxiliary vapor entering the nozzle can also cool the focusing lens, preventing smoke and dust from entering the lens holder, thereby contaminating the lens and causing the lens to overheat.

Most organic and inorganic materials can be laser cut. In the metal processing industry, laser cutting in laser cutting plants occupies a large share of industrial manufacturing systems, and many metal materials can be cut without deformation, regardless of their hardness. Of course, for materials with high reflectivity, such as gold, silver, copper and aluminum alloys, they are also good heat transfer conductors, so it is difficult or impossible for laser cutting plants to perform laser cutting.