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Precise laser cutting machine is to focus the laser emitted from the laser into a high power density laser beam through the optical system. The laser beam irradiates the surface of the workpiece to make the workpiece reach the melting point or boiling point. At the same time, the high-pressure gas coaxial with the beam blows away the molten or vaporized metal.
With the relative position of the beam and the workpiece moving, the material will eventually form a cutting seam, so as to achieve the purpose of cutting.
Laser cutting is to replace the traditional mechanical knife with invisible light beam. It has the characteristics of high precision, fast cutting, not limited to the limitation of cutting pattern, automatic typesetting, saving materials, smooth incision and low processing cost. It will gradually improve or replace the traditional metal cutting process equipment. The mechanical part of the laser cutter head has no contact with the workpiece, so it will not scratch the surface of the workpiece; The precise laser cutting speed is fast, the incision is smooth and smooth, generally without subsequent processing; The cutting heat affected zone is small, the sheet deformation is small, and the cutting seam is narrow (0.1 mm ~ 0.3 mm); There is no mechanical stress and shear burr in the incision; High machining accuracy, good repeatability, no damage to the material surface; NC programming, can process any plan, can be a large size of the whole board cutting, no need to open the mold, economical and time-saving.
Laser processing technology plays an important role in sheet metal processing technology, which improves the labor productivity of the sheet metal process and promotes the development of the sheet metal process. High flexibility precise laser cutting machine can greatly reduce the processing cycle, cutting speed, high production efficiency, improve processing accuracy, speed up product development, these advantages are concerned by many manufacturing enterprises.
Laser cutting machine is a technological revolution in sheet metal processing, and it is the “processing center” in sheet metal processing; Laser cutting machine is flexible, cutting speed is fast, high production efficiency, short production cycle, which has won a wide range of markets for customers. The effective life of this technology is long. Most of the plates with thicknesses of more than 2mm are laser cutting machines abroad. Many foreign experts think that the next 30-40 years is the golden period of laser processing technology development.
Generally speaking, it is recommended to use a laser cutting machine for carbon steel plate within 12mm and stainless steel plate within 10mm. Laser cutting machine has no cutting force, no deformation in processing, no tool wear, good material adaptability: whether it is simple or complex parts, it can be cut by laser once Precision Rapid Prototyping: it has a narrow cutting seam, good cutting quality, high degree of automation, simple operation, low labor intensity, no pollution: it can realize automatic cutting layout, nesting, and improve material utilization, The production cost is low and the economic benefit is good.
There are many factors to consider in the selection of a laser cutting machines. Besides the maximum size, material, maximum thickness to be cut and the size of raw material, more consideration should be given to the future development direction, such as the maximum workpiece size to be processed after the technical modification of the product The steel market provides the material format for their own products which the most economical, up and downtime, etc.