Application of Laser Cleaning Machine in Removing Paint of Vehicle and Ship
The laser cleaning machine is mainly based on the pollution of the surface of the object that absorbs the laser energy, or vaporizes and volatilizes, or instantaneously heats and expands and is driven off the surface of the object by the vapor, so as to achieve the purpose of cleaning the dirt. Because the object material itself has a small absorption coefficient for the laser energy of the cleaning wavelength, the surface and performance of the object are not damaged, and the material is not damaged. In the laser cleaning process, as long as the laser output energy is accurately controlled, it can only decontaminate, without damaging the object being cleaned, and achieve safe and efficient cleaning. This is the key to the advantage of laser cleaning over traditional mechanical decontamination methods.
In the maintenance of aircraft, ships, locomotives, radar systems and other equipment, the problem of removing old paint is often encountered. Traditional mechanical paint removal and chemical paint removal have many disadvantages, such as: pollution, labor intensity, low efficiency, high cost, and easy to damage the surface of equipment. The use of lasers to remove old paint has been discussed since the 1980s with great success.
Laser paint removal mechanism is: paint is usually composed of organic adhesives, inorganic fillers and organic (or inorganic) pigments. Laser heat the paint surface and vaporize its organic components, so that adhesives lose their role, inorganic fillers and pigments are sandwicked in the vapor of organic components from the surface of the object, and then achieve the purpose of removing paint. The key of laser paint removal is to control the laser energy effectively, so that the surface of the object under the paint is not damaged when removing the paint.
Laser paint removal technology can be said to be a field of paint removal technology in industrial products, it has the advantage of traditional physical paint removal technology can not be compared.
1.Laser cleaning is a “green” cleaning method, without the use of any chemical agents and cleaning liquid；
2.The waste material removed is basically a solid powder, small in size, and basically does not cause pollution to the environment；
3.The traditional cleaning method is often contact cleaning, cleaning the surface of the object has mechanical force, damage the surface of the object or cleaning medium attached to the surface of the object to be cleaned, can not be removed, resulting in secondary pollution, laser cleaning without grinding and non-contact make these problems easily solved；
4.Laser paint removal can remove different types and thicknesses of paint on the surface of various materials to achieve a high degree of cleanliness;
5.Laser paint removal can selectively remove dirt on the surface of the material without damaging the internal composition and structure of the material；
6.The laser cleaning machine is easy to move, can be used steadily for a long time, and can be easily automated operation.
Above is the laser cleaning machine in metal surface cleaning application, in addition to the laser cleaning machine in metal surface cleaning, laser cleaning plays an important role in many fields, and in automotive manufacturing, semiconductor wafer cleaning, precision parts processing and manufacturing, military equipment cleaning, building exterior cleaning, cultural relics protection, circuit board cleaning, precision parts processing and manufacturing, LCD cleaning.
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