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What is CO2 laser cutting machine

          Carbon dioxide laser cutting machine is also written as CO2 laser cutting machine. This laser cutting machine currently has great advantages in cutting non-metallic materials and is widely used. The following is a brief introduction from the principle and configuration of carbon dioxide laser cutting machine and the scope of application. Take a look at this machine.

The reason why the carbon dioxide laser cutting machine is called carbon dioxide laser cutting machine is because it is a laser cutting machine using a carbon dioxide laser, which is a gas molecule laser. The working substance is carbon dioxide gas, and the auxiliary gas is nitrogen, xenon, etc. The laser wavelength is 10.6 microns. The stability is good, the energy conversion efficiency reaches 25%, and it can be used as a high power output laser. The principle of laser generation: the discharge tube of CO2 laser is filled with CO2, N2, He and other mixed gases, the ratio and total air pressure can be changed within a certain range (generally: CO2: N2: He = 1: 0.5: 2.5 total pressure It is 1066.58pa), the ratio is generally fixed after you buy the laser tube. Any molecule has three different forms of motion. One is the electronic motion in the molecule, which determines the electronic energy state, and the other is the atom vibration in the molecule. That is, the atom does periodic vibrations around its equilibrium position. This movement determines The vibrational energy state of the molecule, the third is the rotation of the molecule, which determines the rotational energy state of the molecule. If you don’t understand this part, you can go to Baidu for some relevant knowledge. The CO2 laser uses the vibration of the CO2 molecule and the transition between the rotational energy levels to generate the laser.

The CO2 laser cutting machine we are talking about here refers to the CO2 glass tube laser. In fact, the CO2 laser also has a radio frequency tube. It is generally used for laser marking machines. The glass tube is also useful for marking machines. Compared with the radio frequency tube marking machine, in the aspect of laser marking, the laser of the glass tube is not stable in a long-term continuous working state, and the service life is short, and the marking efficiency is not as good as the radio frequency tube. However, in terms of cutting, glass tube lasers are basically used. Because the depth requirements for cutting are generally relatively high, it is suitable for high-power and low-cost glass tube lasers. The CO2 laser cutting machine uses water cooling for cooling, and the cooling water circulates in the glass tube. In the working state, the glass tube laser will generate high voltage, so never touch the laser when the laser cutting machine is running.

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