Application of laser cleaning in various fields
1. Mold cleaning
The laser can realize the non-contact cleaning of the mold, which is very safe for the mold surface, can ensure its accuracy, and can clean sub-micron dirt particles that cannot be removed by traditional cleaning methods, achieving true pollution-free, high-efficiency, and high-quality cleaning.
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2. Aviation
The surface of the aircraft must be repainted after a certain period of time, but the old paint must be completely removed before painting. Chemical soaking/wiping is the main paint removal method in the aviation field. This method causes a large amount of chemical ancillary waste and cannot achieve partial maintenance and paint removal. This process is heavy and harmful to health. Laser cleaning can achieve high-quality removal of surface paint on aircraft skins, and is easy to realize automated production. At present, this technology has been applied to the maintenance of some high-end models in many countries.
3. Rail Transit
At present, the pre-welding cleaning of steel rails all use grinding wheel and abrasive belt polishing cleaning. The substrate is seriously damaged, the residual stress is serious, and a large amount of grinding wheel consumables are consumed every year, which is costly and causes serious dust pollution to the environment. Laser cleaning can provide high-quality and efficient green cleaning technology for high-speed railway track laying production, solve the above problems, eliminate welding defects such as seamless rail holes and gray spots, and improve the stability and safety of high-speed railway operation.
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4. Precision Instruments
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 laser causes the explosive vaporization of the thin oxide layer on the surface of the part to form a shock wave, which leads to the removal of dirt instead of mechanical interaction.
5. Shipping field
At present, the pre-production cleaning of ships mainly uses sand blasting. The sand blasting method has caused serious dust pollution to the surrounding environment. Laser cleaning technology will provide a green and pollution-free cleaning solution for anti-corrosion spraying on the surface of ships.