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Why Choose Laser Cleaning

Views: 0     Author: Site Editor     Publish Time: 2023-05-12      Origin: Site


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Why Choose Laser Cleaning

There are various cleaning methods in the traditional cleaning industry, most of which use chemical agents and mechanical methods for cleaning. As my country's environmental protection laws and regulations become more and more stringent, and people's awareness of environmental protection and safety is increasing, the types of chemicals that can be used in industrial production cleaning will become less and less. How to find a cleaner and non-destructive cleaning method is a problem we have to consider.

Laser cleaning has the characteristics of non-grinding, non-contact, non-thermal effect and applicable to objects of various materials, and is considered to be the most reliable and effective solution. At the same time, laser cleaning can solve problems that cannot be solved by traditional cleaning methods.

Compared with traditional cleaning methods such as mechanical friction cleaning, chemical corrosion cleaning, liquid and solid impact cleaning, and high-frequency ultrasonic cleaning, laser cleaning has obvious advantages.

1. Laser cleaning is a "green" cleaning method. It does not need to use any chemicals or cleaning fluids. The cleaned waste is basically solid powder, small in size, easy to store, recyclable, and can easily solve the problems caused by chemical cleaning. environmental pollution problems;

2. The traditional cleaning method is often contact cleaning, which has mechanical force on the surface of the cleaned object, damages the surface of the object or the cleaning medium adheres to the surface of the cleaned object, which cannot be removed, resulting in secondary pollution. Laser cleaning is non-abrasive and non-toxic. Contact solves these problems;

3. The laser can be transmitted through the optical fiber, cooperate with the manipulator and the robot, conveniently realize long-distance operation, and can clean the parts that are difficult to reach by traditional methods, which can ensure the safety of personnel in some dangerous places;

4. Laser cleaning can remove various types of pollutants on the surface of various materials, achieving a cleanliness that cannot be achieved by conventional cleaning. And it can also selectively clean the contaminants on the surface of the material without damaging the surface of the material;

5. Laser cleaning has high efficiency and saves time;

6. Although the one-time investment in the purchase of a laser cleaning system is high in the early stage, the cleaning system can be used stably for a long time, with low operating costs and only electricity charges per hour.

The physical principles of laser cleaning can be summarized as follows: Laser ablation (scientific name for laser cleaning) or photoablation is the process of removing material from a solid (or sometimes liquid) surface by irradiating it with a laser beam. At low laser fluence, the material is heated by the absorbed laser energy and vaporized or sublimated. At high laser fluences, the material is often converted into a plasma. Typically, laser ablation refers to the removal of material with a pulsed laser, but if the laser intensity is high enough, material can be ablated with a continuous wave laser beam. The depth to which laser energy is absorbed and the amount of material removed by a single laser pulse depend on the optical properties of the material as well as the laser wavelength and pulse length. The total mass ablated from the target per laser pulse is often referred to as the ablation rate. Laser radiation characteristics such as laser beam scanning speed and scan line coverage can significantly affect the ablation process.

Scope of application: It can be used for cleaning and extraction in various scenarios, especially for floating rust, oil stains, paints, oxides, etc. on the surface of molds, metal parts, decks, and industrial equipment.

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