Why can laser be used for cleaning?

Here are some practical applications. These technologies are very mature and have been widely used.

1. Mold cleaning

Every year, tire manufacturers all over the world manufacture hundreds of millions of tires. The cleaning of tire molds during the production process must be rapid and reliable to save downtime. Using the laser cleaning method, because the laser cleaning method can be connected to the optical fiber to clean the light guide to the dead corner of the mold or the part that is not easy to clean, it is convenient to use; because the rubber is not vaporized, it will not produce toxic gases and affect the working environment Security.

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2. Cleaning of weapons and equipment

Laser cleaning technology is widely used in weapon maintenance. The laser cleaning system can remove rust and pollutants efficiently and quickly, and can select the removal part to realize the automation of cleaning. Using laser cleaning, not only the cleanliness is higher than the chemical cleaning process, but also almost no damage to the surface of the object. The waste material removed by the laser basically does not pollute the environment, and it can be operated remotely, effectively reducing the health damage to the operator.

3. Removal of old aircraft paint

In Europe, laser cleaning systems have long been used in the aviation industry. The surface of the aircraft must be repainted after a certain period of time, but the original old paint needs to be completely removed before painting. The traditional mechanical paint removal method can easily damage the metal surface of the aircraft and bring hidden dangers to safe flight. If multiple laser cleaning systems are used, the paint on the surface of an A320 Airbus can be completely removed within 3 days without damaging the metal surface.

4. Cleaning of building exterior walls

With the rapid economic development, more and more skyscrapers have been built, and the problem of cleaning the exterior walls of the buildings has become increasingly prominent. The laser can effectively clean various contaminants on various stones, metals, and glass, and the efficiency is many times higher than that of conventional cleaning. It can also remove black spots and stains on various stones of buildings.

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5. Cleaning in the electronics industry

The electronics industry uses lasers to remove oxides: The electronics industry requires high-precision decontamination, and lasers are particularly suitable for oxide removal. Before the circuit board is soldered, the component pins must be thoroughly deoxidized to ensure the best electrical contact, and the pins must not be damaged during the decontamination process. Laser cleaning can meet the requirements of use, and the efficiency is very high, a stitch only needs to be irradiated with the laser once.

6. Precise deesterification cleaning in the precision machinery industry

The precision machinery industry often needs to remove the esters and mineral oils used for lubrication and corrosion resistance on the parts, usually by chemical methods, and chemical cleaning often still has residues. Laser deesterification can completely remove esters and mineral oil without damaging the surface of the part. The removal of pollutants is accomplished by shock waves, and the explosive gasification of a thin layer of oxide on the surface of the parts forms a shock wave, which results in the removal of dirt instead of mechanical interaction.

7. Cleaning of pipelines in nuclear power plant reactors

The laser cleaning system is also used in the cleaning of pipelines in nuclear power plant reactors. It uses optical fibers to introduce high-power laser beams into the reactor to directly remove radioactive dust, and the cleaned materials are easy to clean. And because it is operated remotely, the safety of the staff can be ensured.