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Brief Introduction of The Working Principle of Laser Cutting Machine

Views:206     Author:Site Editor     Publish Time: 2020-07-03      Origin:Site

Laser cutting machine technology uses the energy released when the laser beam is irradiated to the surface of the metal sheet. The metal sheet is melted and the molten slag is blown away by the gas. Because the laser power is very concentrated, only a small amount of heat is transferred to other parts of the metal sheet, causing little or no deformation. Using lasers, blanks of complex shapes can be cut very accurately without further processing.


The laser source generally uses a carbon dioxide laser beam with an operating power of 500 to 5000 watts. This level of power is lower than the power required by many domestic electric heaters. Because of passing through the lens and mirror, the laser beam is concentrated in a small area. The high concentration of energy enables rapid local heating to melt the metal sheet.


The laser cutting equipment can cut stainless steel under 16mm. Adding oxygen to the laser beam can cut 8-10mm thick stainless steel. However, after oxygen cutting, a thin oxide film will be formed on the cutting surface. The maximum thickness of the cutting can be increased to 16mm, but the size error of the cutting part is large.


As a high-tech laser technology, since its inception, it has been developing laser products suitable for various industries according to different social needs, such as laser printers, laser beauty machines, laser marking, CNC laser cutting machines, laser cutting machines, and other products.


In the laser cutting machine, the main work is the laser tube, so we have to understand the laser tube. We all know the importance of laser tubes in laser equipment. The following is the most common type of laser tube: CO2 laser.


The composition of the laser tube is made of hard glass, so it is a fragile and fragile substance. To understand the CO2 laser tube, we must first understand the structure of the laser tube, like this carbon dioxide laser, uses a layered sleeve structure, the most inside is a layer of the discharge tube. However, the diameter of the carbon dioxide laser discharge tube is thicker than the laser tube itself. The thickness of the discharge tube is proportional to the diffraction response caused by the size of the spot, and the length of the tube is also proportional to the output power of the discharge tube.


During the operation of the laser cutting machine, the laser tube will generate a lot of heat, which affects the normal operation of the cutting machine. Therefore, a special water chiller is needed to cool the laser tube to ensure that the laser cutting machine works normally at a constant temperature.


Side View of Sheet Laser Cutting Machine and CNC Fiber Laser Cutting Machine  Oblique View of Sheet Laser Cutting Machine and CNC Fiber Laser Cutting Machine


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