Views:2 Author:Site Editor Publish Time: 2020-05-28 Origin:Site
Laser cutting machine is the laser emitted from the laser, through the optical path system, focused into a high power density laser beam.The laser beam hits the surface of the workpiece, making it reach the melting point or boiling point, while the high-pressure gas coaxial with the beam will melt or vaporize the metal blown away.With the light beam and the relative position of the workpiece moving, the material finally formed a slit, so as to achieve the purpose of cutting.This article will briefly introduce laser cutting machine.
The following knowledge points are listed below:
Definition of laser cutting machine
Working principle of laser cutting machine
Industrial application of laser cutting machine
Laser cutting machine is to use invisible beam instead of the traditional mechanical knife, with high precision, fast cutting, not limited to the cutting pattern, automatic typesetting to save materials, smooth incision, low processing cost, will gradually improve or replace the traditional metal cutting process equipment.The mechanical part of the laser tool head has no contact with the workpiece, so it will not scratch the surface of the workpiece in the work.Laser cutting speed is fast, the incision is smooth and flat, generally without subsequent processing;Small heat-affected area, small plate deformation, narrow slit (0.1mm~0.3mm);The incision has no mechanical stress and no shear burr.High precision, good repeatability, no damage to the material surface;Numerical control programming, can process arbitrary plane, can cut the whole board with a large width, no need to open a mold, economy and time.
The laser of laser cutting machine is a type of light that, like other natural light, is produced by the transition of atoms (molecules, ions, etc.).However, it is different from ordinary light in that the laser only relies on spontaneous radiation in the initial very short time, and the subsequent process is completely determined by excitatory radiation, so the laser has a very pure color, almost no divergence of direction, very high luminous intensity and high coherence.
The laser cutting machine is realized by using the high power density energy generated after laser focusing.And controlled by computer, through the pulse laser discharge, thus the output controlled repeated high frequency pulse laser, the formation of a certain frequency, pulse width of the beam, the pulse laser beam through the light path transmission and reflection and through the focusing lens group focused on the machining surface, forming a subtle, high energy density, intensity, focal spot near to processing surface, with instantaneous high temperature melting or gasification materials processed.Each high-energy laser pulse immediately sputtering out a tiny hole on the surface of the object. Under the control of the computer, the laser processing head and the processed material continuously move relative to each other according to the pre-drawn figure, thus the object will be processed into the desired shape.The process of laser cutting machine parameters (cutting speed, laser power, gas pressure, etc.) and the motion trajectory are controlled by the numerical control system, and the slag at the slit is blown away by the auxiliary gas under certain pressure.
Laser cutting machine is very widely used, a lot of industry, and is a lot of enterprises must be one of the necessary equipment, including advertising signs production (the main is some of the LOGO and label cutting of stainless steel), sheet metal processing, sheet metal processing contains basic all of metal materials, the general is mainly bending, grinding, such as cutting is one of the most important procedure), chassis cabinets production (generally useful to carbon steel or stainless steel, this also is mainly bending and cutting two cutting process), spring (to finish machining process),The parts of the subway, as well as the production of the elevator shell, the shell of the mechanical equipment, the kitchen utensils (mostly stainless steel), and the laser cutting machine Settings are also involved in the production of the shenqi shenqi spaceship, which actually involves in all aspects.
Laser cutting machine is widely used in sheet metal processing, production of advertising signs, production of high-voltage and low-voltage electrical cabinets, mechanical parts, kitchenware, automobiles, machinery, metal crafts, saw blades, electrical parts, glasses industry, spring plate, circuit board, electric kettle, medical microelectronics, hardware, knife measuring tools and other industries.
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