How laser cleaners work
2025-02-19
A laser cleaner is a highly efficient device that uses laser technology for cleaning. Its working principle involves the comprehensive application of optics, electricity and material science, the following will introduce the working principle of laser cleaning machine in detail.
I. Laser Generation
The core part of the laser cleaner is the laser, which is driven by electric energy to produce high energy density laser. The wavelength, power and mode of the laser can be adjusted according to different cleaning needs.
Interaction between laser and material
When the laser hits the surface of the object to be cleaned, it interacts with the stains, coatings or residues on the surface of the object. This interaction depends on the material of the object, the nature of the stain and the parameters of the laser.
The cleaning process
1. Thermal effect: The high energy density of the laser causes the surface of the object to be heated instantaneously, resulting in the expansion, softening or even melting of the stains, coatings and other parts that can be easily peeled off due to the high temperature.
2. Optical breakdown: The strong irradiation of the laser makes the tiny particles on the surface of the material absorb energy, generating instantaneous high temperature and high pressure, forming a plasma or gas, and thus removing them from the substrate.
3. Mechanical impact: The pressure and shock waves generated by the laser pulse produce a mechanical impact on the surface stain, causing it to separate from the substrate surface.
4. Photochemical effect: Some specific wavelengths of laser light may trigger photochemical reactions, destroying the molecular structure of the stain, making it easier to be removed.
Cleaning effect realisation
By precisely controlling laser parameters such as power, scanning speed and frequency, laser cleaners can accurately remove stains, coatings or residues from an object's surface without damaging the substrate. The cleaning effect is closely related to the performance of the laser, the operating technique and the material of the object and the nature of the stain.
V. Summary
The laser cleaning machine utilises a high-energy laser beam to interact with the material on the surface of the object to achieve efficient and precise cleaning through thermal effect, optical breakdown, mechanical impact and possible photochemical reaction. Compared with traditional mechanical cleaning and chemical cleaning, laser cleaning has the advantages of non-contact, no damage, environmental protection, etc., and is applicable to the cleaning needs of various materials and complex structures.
With the continuous progress of technology, laser cleaning machine will be applied in more fields and become an efficient and environmentally friendly cleaning solution.
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