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CO2 laser marking machine working principle and characteristics

CO2 laser marking machine is also often called gas laser marking machine. CO2 laser is a gas laser with a wavelength of 10.64um in the infrared light band. CO2 gas is filled into the discharge tube as the medium for generating laser. When high voltage is applied to the electrode, glow discharge is generated in the discharge tube, which can make the gas molecules release laser. After amplifying the laser energy, a laser beam for material processing is formed. The laser beam optical path is changed by computer-controlled galvanometer to realize automatic marking. That is, the laser beam is irradiated on the surface of the material, and the light energy is instantly converted into heat energy, so that the surface of the material is instantly melted or even gasified, thereby forming a mark.


Due to its special working principle, the laser marking machine has incomparable advantages compared with traditional marking methods (pad printing, inkjet coding, electro-corrosion, etc.):

 

1. Non-contact processing: exquisite marks can be engraved on any regular or irregular surface;

 

2. Wide range of material applications: images and texts can be engraved on various types or materials of different hardness, such as paper, plastic, ceramics, glass, leather, etc.;

 

3. Low operating cost: fast marking speed and one-time marking, very few consumables, so low operating cost;

 

4. Can be integrated with other equipment on the production line to improve the automation of the production line;

 

5. The marking is clear, permanent and indelible, beautiful, and can effectively prevent counterfeiting;

 

6. Long service life and no pollution.

 

7. Fast marking speed greatly improves production efficiency


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