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What is A Laser Cleaning Technology

Laser cleaning technology refers to the use of high-energy laser beams to irradiate the surface of the workpiece, so that the dirt, particles, rust spots or coatings, and other attachments on the surface evaporate or peel off instantaneously, so as to achieve the process of cleaning and purification.

DOWELL-Laser-cleaning-machine
DOWELL-Laser-cleaning-machine

Compared with ordinary chemical cleaning methods and mechanical cleaning methods, laser cleaning has the following characteristics:

(1) It is a complete “dry” cleaning process, does not require the use of cleaning fluids or other chemical solutions, is a “green” cleaning process, and the cleanliness is much higher than that of chemical cleaning processes;

(2) The scope of cleaning is very wide. From large blocky dirt (such as fingerprints, rust spots, oil stains, paint) to small fine particles (such as all ultrafine particles, dust), this method can be used to clean;

(3) Laser cleaning is suitable for almost all solid substrates, and in many cases it can only remove dirt without damaging the substrate:

(4) Laser cleaning can easily realize automatic operation, and optical fiber can be used to introduce digital light into the contaminated area. The operator only needs to operate remotely and remotely, which is very safe and convenient. This is for some special applications, such as the removal of nuclear reactor condenser tubes. Rust, etc., is of great significance.

DOWELL-Laser-cleaning-machine

The type, power, and wavelength of the laser used for laser cleaning should vary depending on the composition and form of the material to be cleaned. The current typical equipment is mainly YAG lasers and excimer lasers. It is worth mentioning that the laser rust removal process is used on the surface of the steel. By selecting appropriate process parameters, the surface of the substrate can be slightly melted while removing rust, forming a uniform and dense corrosion-resistant layer, so as to remove rust and prevent corrosion. Corrosion is done in one step. The laser cleaning process has been initially applied in the industry.

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