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Excellent Features and Working Principle of Laser Cleaning Machine
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Excellent Features and Working Principle of Laser Cleaning Machine

Views: 0     Author: HanTenCNC     Publish Time: 2021-12-23      Origin: Site

laser cleaning machine 2The cleaning technology used by the laser cleaning machine is to irradiate the surface of the workpiece with a high-energy laser beam to cause the dirt, rust or coating on the surface to evaporate or peel instantly, and effectively remove the adhesion or surface coating on the surface of the cleaning object at a high speed, so as to achieve a clean crafting process. It is a new technology based on the interaction effect of laser and matter. Compared with traditional cleaning methods such as mechanical cleaning, chemical corrosion cleaning, liquid and solid strong impact cleaning, and high-frequency ultrasonic cleaning, it has obvious advantages. It is efficient, fast, and low-cost. The thermal load and mechanical load on the substrate are small, and the cleaning is non-damaging; the waste is recyclable, no environmental pollutants, safe and reliable, and does not damage the health certificate of the operator. It can remove various thicknesses and differences. The sub-cleaning process of component coating is easy to realize automatic control, and realize remote remote control cleaning and so on.


Compared with the traditional cleaning process, the laser cleaning machine has the following characteristics:


(1) It is a dry "dry" cleaning, does not require cleaning fluid or other chemical solutions, and the cleanliness is much higher than that of chemical cleaning processes;


(2) The scope of cleaning dirt and the scope of applicable substrates are very wide;


(3) By adjusting the laser process parameters, the contaminants can be effectively removed without damaging the surface of the substrate, and the surface will be as old as new;


(4) Laser cleaning can easily realize automatic operation;


(5) The laser cleaning equipment can be used for a long time, and the operating cost is low;


(6) Laser cleaning technology is a "green" cleaning process, and the eliminated waste is solid powder, small in size, easy to store, and basically does not cause pollution to the environment.


The process of pulsed laser cleaning relies on the characteristics of the light pulse generated by the laser, based on the photophysical reaction caused by the interaction between the high-intensity beam, the short-pulse laser, and the contamination layer.


The physical principles can be summarized as follows:


a: The beam emitted by the laser is absorbed by the contamination layer on the surface to be treated.


b: Absorption of large energy forms a rapidly expanding plasma (a highly ionized unstable gas), which generates shock waves.


c: The shock wave turns pollutants into fragments and is removed.


d: The light pulse width must be short enough to avoid heat accumulation that damages the processed surface.


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