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Application of laser cleaning in aerospace parts

Views: 0     Author: Site Editor     Publish Time: 2023-07-03      Origin: Site


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Airplanes have almost strict requirements on safety. Therefore, in the aviation industry, whether it is production or maintenance, when improving each process, the first thing that comes to mind is not cost, but safety.

As the main structural material of the space shuttle, aluminum alloy is widely used in key parts such as spacecraft skins, propellers, fuel tanks and landing gear pillars. Aluminum with copper as the main alloying element is mainly used to produce large aircraft skin components due to its high strength, high heat resistance and good processing performance. Aluminum exposed to the air will naturally form an uneven and discontinuous oxide film on the surface, which must be completely removed before the components are repainted and welded, otherwise the coating adhesion and weld quality will be affected.

At present, a mixture of chromic acid, sulfuric acid, and hydrofluoric acid is generally used to remove the oxide film on the surface of rolled aluminum alloy parts, while nitric acid is generally used to remove the die-casting parts, but the chemical cleaning method requires manual participation, and it is harmful to the environment. Pollution, cleaning quality is also difficult to guarantee.

In recent years, laser cleaning has become one of the mainstream directions of cleaning technology because of its wide applicability, processing accuracy and environmental protection of the cleaning process. It is widely used in industrial links before and after welding and surface coating removal. Based on this, it is an effective means to use laser cleaning as a treatment method before aluminum alloy spraying and welding.

Laser cleaning machine features-Suntop

In the cleaning application of the surface of aviation aluminum alloy, it is necessary to prevent the damage to the anodic oxide film on the aluminum alloy surface, and it is necessary to ensure that the anodic oxide film on the aluminum alloy surface is protected during laser cleaning. When cleaning a large area, meeting a certain cleaning efficiency is also a prerequisite for production and application. The laser cleaning machine launched by Suntop laser can be used in various application scenarios of aerospace, and customers can choose suitable laser cleaning machine models according to different needs.

Different from the traditional cleaning process, laser cleaning has completely developed a new idea of industrial cleaning technology. It is a new type of green environmental protection process, which can be applied to the cleaning of the surface and parts of most aerospace aluminum alloy materials before welding. While effectively removing rust, oil, film, oxide skin, paint and other pollutants on the surface of objects, it will not damage the substrate. At the same time, it has the advantages of no pollution, no consumables, precise cleaning of optional areas, and high cleanliness.

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