The so-called laser cutting is the energy released when the laser beam is irradiated to the surface of the workpiece to melt and evaporate the workpiece to achieve the purpose of cutting and engraving. It has high precision, fast cutting, not limited to cutting pattern limitation, automatic layout saving material, Smooth, low processing costs, will gradually improve or replace the traditional metal cutting process equipment. Laser cutting machine system generally consists of laser generator, (outside) beam transmission components, workstations (machine tools), computer numerical control cabinet, coolers and computers (hardware and software) and other components.
Laser cutting machine equipment as a new type of tool more and more mature to use to a variety of industries, including laser cutting machine, laser engraving machine, laser marking machine, laser welding machine. Then how is the use of laser cutting in the end, the laser cutting is good or bad how to distinguish it?
First, the energy of the laser is concentrated in the form of light into a high-density beam, the beam is transmitted to the surface of the work, produce enough heat, so that the material melting, coupled with the beam coaxial high-pressure gas directly remove the molten metal, so as to achieve the purpose of cutting, This shows that the laser cutting machine with the machine tool has a fundamental difference.
It is the use of laser beam emitted from the laser generator, the optical path system, focusing on high power density of the laser beam irradiation conditions, laser heat absorbed by the workpiece material, the workpiece temperature rose sharply to reach the boiling point, the material began to vaporize and the formation of holes , With the high pressure of the air, with the beam and the relative position of the workpiece movement, and ultimately the material to form a slit. The cutting process parameters (cutting speed, laser power, gas pressure, etc.) and the trajectory are controlled by the numerical control system. The slag at the slit is blown by the auxiliary gas of a certain pressure.
Laser is a kind of light, as with other luminous bodies in nature, is caused by the transition of atoms (molecules or ions, etc.), and is caused by spontaneous radiation. Although the laser is light, but it is significantly different from ordinary light is the laser only in the first very short period of time dependent on spontaneous emission, the process is completely determined by the impact of radiation, so the laser has a very pure color, almost no divergence of the direction , High luminous intensity. The laser also has high coherence, high strength, high direction, laser generated by the laser after the mirror and through the cluster mirror irradiation to the processed items, so that processed items (surface) by the strong thermal energy and the temperature increased dramatically, So that the point due to high temperature and rapid melting or vaporization, with the laser head of the trajectory to achieve the purpose of processing. Laser processing technology in the advertising industry is mainly divided into: laser cutting, laser engraving two kinds of work, for each kind of work, we have some different aspects of the operation process.
Widely used in sheet metal processing, advertising signs production, high and low voltage electrical cabinet production, mechanical parts, kitchen utensils, automobiles, machinery, metal crafts, saw blades, electrical parts, glasses industry, spring, circuit boards, Electronics, hardware, tools and other tools.
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