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How to quickly and effectively remove rust on metal?

Apr 28,2023 | TOPTEK

Metal rusting is a chemical reaction, essentially the oxidation of metal. The most common rusting phenomenon is that iron products are exposed to the air for a long time to oxidize with oxygen, or are corroded by oxygen in water to become oxides.

Some metals will produce a dense oxide film after rusting to prevent further oxidation of the metal, such as aluminum oxide. The oxide film produced after some metals rust accelerates the oxidation of metals, such as: rust. All metals undergo oxidation or other chemical reactions in different environments. Strictly speaking, there is no metal that does not rust.

The traditional rust removal method will cause damage to the surface of the workpiece, the cleaning is not clean, and the environment is polluted. Laser cleaning is a non-abrasive, non-contact new environmentally friendly cleaning method that can solve problems that cannot be solved by traditional cleaning methods. problem, considered the most reliable and effective solution. The principle of laser cleaning is to use high-frequency high-energy laser pulses to irradiate the surface of the workpiece. The coating can instantly absorb the focused laser energy, so that the oil stains, rust spots or coatings on the surface can be evaporated or peeled off instantly, effectively removing surface attachments or surfaces at high speed. The coating is cleaned in such a way that short laser pulses under the proper parameters do not damage the metal substrate.

Laser rust removal has more advantages than traditional rust removal methods in terms of technology, society, and economy. For example, technically, laser rust removal equipment can precisely control the rust removal area; only remove pollutants/attachments on the surface; it can be hand-held or automated. In terms of social economy, laser derusting equipment does not use chemicals to clean, has no pollution to the environment, and has low noise; laser derusting equipment is easy to operate, and personnel can quickly operate it, which solves the problem of manual labor. Laser rust removal equipment has high rust removal efficiency and can reduce a certain amount of manpower.

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