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Laser cleaning: a wide range of applications in various industries

Laser cleaning: a wide range of applications in various industries

  • Categories:Industry News
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  • Time of issue:2021-07-12 15:41
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(Summary description)The principle of laser cleaning is to use high-frequency and high-energy laser pulses to irradiate the surface of the workpiece. The coating layer can instantly absorb the focused laser energy, so that the oil, rust or coating on the surface can be evaporated or peeled off instantly, which can effectively remove surface attachments or surfaces at a high speed. The cleaning method of the coating, and the laser pulse with a short action time, will not damage the metal substrate under the appropriate parameters.

Laser cleaning: a wide range of applications in various industries

(Summary description)The principle of laser cleaning is to use high-frequency and high-energy laser pulses to irradiate the surface of the workpiece. The coating layer can instantly absorb the focused laser energy, so that the oil, rust or coating on the surface can be evaporated or peeled off instantly, which can effectively remove surface attachments or surfaces at a high speed. The cleaning method of the coating, and the laser pulse with a short action time, will not damage the metal substrate under the appropriate parameters.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-07-12 15:41
  • Views:
Information

The principle of laser cleaning is to use high-frequency and high-energy laser pulses to irradiate the surface of the workpiece. The coating layer can instantly absorb the focused laser energy, so that the oil, rust or coating on the surface can be evaporated or peeled off instantly, which can effectively remove surface attachments or surfaces at a high speed. The cleaning method of the coating, and the laser pulse with a short action time, will not damage the metal substrate under the appropriate parameters.

1. Mold industry. The laser can realize the non-contact cleaning of the mold, which is very safe to 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.

2. Precision instrument 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 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.

3. Rail industry. At present, the pre-welding cleaning of steel rails all use grinding wheel and abrasive belt cleaning. The base material 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 my country's 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 my country's high-speed railway operation.

4. 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. 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 begun to be applied to the maintenance of some high-end models abroad.

5. Shipbuilding industry. 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 and has been gradually banned, which has led to the reduction of production or even the suspension of production of ship manufacturers. Laser cleaning technology will provide a green and pollution-free cleaning solution for anti-corrosion spraying on the surface of ships.

6. Military industry. 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.

Many of the above-mentioned fields belong to the pillar industries of the national economy. After laser cleaning technology is added to them, the economic and social benefits produced are very considerable. Using our country’s existing laser technology conditions, we develop supporting laser cleaning equipment and make them It is completely possible to be practical and industrialized in a short time, and it is also of great significance to the promotion of the development of high-tech industries.

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