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4 Working Principles and Application Industries of Laser Cleaning Machine

2025-10-30

Laser cleaning machine is a green, energy-saving and efficient industrial tool that uses a high-energy-density laser beam to illuminate the surface of the workpiece, causing the dirt, rust spots or coatings on the surface to evaporate or peel off instantly, so as to achieve cleanliness. Practical applications can quickly remove paint, rust, remove oxides, oil stains, oil stains and product residues, restore and preserve historical cultural relics, etc.

 

Laser cleaning machine can remove surface attachments or surface coatings of cleaning objects at high speed and effectively, and achieve a cleaning process. It is a new technology based on the interaction effect of laser and matter. It is different from the traditional mechanical cleaning method, chemical cleaning method and ultrasonic cleaning method (wet cleaning process). It does not require any CFC organic solvents that destroy the ozone layer. It is pollution-free, noise-free, and harmless to the human body and the environment. It is a truly green and environmentally friendly cleaning technology.

 

Laser Cleaning Machine 

 

How laser cleaning machine works:

1. You can generate various laser beams through different types of lasers.

2. The energy density of the laser can be adjusted to make the dirt expand by heat. When the expansion force of the dirt is greater than the adsorption force of the dirt on the substrate, the dirt will leave the surface of the object.

3. The laser beam of the laser cleaning machine can produce a high temperature of several thousand degrees or even tens of thousands of degrees near the focus, causing the dirt to evaporate, vaporize or decompose instantly.

4. The laser beam of the laser cleaning machine has a small divergence angle and good directivity. The laser beam can be gathered into spots of different diameters through the concentrating system.

  

Laser cleaning machine application field:

1. Remove the coating layer on the metal or glass surface and quickly remove the paint.

2. Rapid rust removal, and various oxides.

3. Remove grease, resin, glue, dust, stains, and production residues.

4. Roughening of the metal surface and cleaning of the metal surface in a small space.

5. Remove paint before welding or bonding, remove rust, remove oil stains, oxidize after welding, and treat residues.

6. Mold cleaning, such as tire molds, electronic molds, and food molds.

7. Removal of oil stains after the production and processing of precision parts.

8. Quick cleaning of nuclear power component maintenance.

9. Oxide treatment, paint removal, and rust removal in the production or maintenance of aerospace weapons and ships.

10. Cleaning of cultural relics, rock cleaning, and cleaning of the outer surface of buildings.

  

Laser cleaning has obvious advantages over traditional cleaning methods such as mechanical friction cleaning, chemical corrosion cleaning, liquid-solid strong impact cleaning, and high-frequency ultrasonic cleaning. It is efficient, fast and low-cost. The heat load and mechanical load on the substrate are small, and the cleaning damage is almost zero; The waste is recyclable and there is no environmental pollution; It is safe and reliable, not only does it not harm the health of the operator; It can also remove a variety of coatings of different thicknesses and different ingredients; The cleaning process is easy to realize automatic control and realize remote control cleaning. It can be seen that laser cleaning technology will gradually replace some traditional cleaning methods in the future.