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How Good Is The Laser Cleaning Effect

November 22, 2022

In industrial production and daily life, the common way of cleaning is using chemical agents and mechanical methods for cleaning. With the environmental protection regulations requirements are more and more stringent, environmental protection and safety awareness is increasing today, industrial production cleaning can become less and less chemicals. How to find a cleaner, undamaging cleaning is a problem we have to consider. And laser cleaning has no grinding, non-contact, no thermal effect and suitable for various materials of objects and other cleaning characteristics, is considered to be the most reliable, the most effective solution. At the same time, laser cleaning can solve the problem that cannot be solved by using traditional cleaning methods.

1. Laser cleaning advantages

a. Laser cleaning is a "green" cleaning method, do not need to use any chemical agents and cleaning liquid, clean down the waste is basically solid powder, small volume, easy to store, recyclable, can easily solve the environmental pollution problem caused by chemical cleaning.

b. The traditional cleaning method is often contact cleaning, which has a mechanical force on the surface of the cleaning object, damage the surface of the object or the cleaning medium is attached to the surface of the cleaned object, and cannot be removed, producing secondary pollution, laser cleaning without grinding and non-contact make these problems solved.

c. The laser can be transmitted through the optical fiber, combined with the robot hand and the robot, to easily realize the long-distance operation, and can clean the parts that are not easily reached by the traditional methods, which can be used in some dangerous places to ensure the safety of personnel.

d. Laser cleaning can remove all kinds of pollutants on the surface of various materials, and achieve the cleanliness that cannot be achieved by conventional cleaning. It can also selectively clean the contaminants on the surface of the material without damaging the surface of the material.

e. Laser cleaning efficiency is high, 1 minute can clean 2 square material, greatly save time.

f. Laser cleaning machine has high one-time input in the early stage, but it can be used stably for a long time with low operation cost. The DH-C200 laser cleaning machine developed and produced by DH LASER costs only about $0.20 per hour, with no other consumables, and more importantly, it can be easily realized for automated operation.

2. Laser cleaning principle

a. The light beam emitted by the laser is absorbed by the pollution layer on the surface to be treated.

b. The absorption of energy forms a sharply expanding plasma (a highly ionized and unstable gas) that produces shock waves.

c. Shock waves turn the contaminants into debris and are vaporized.

d. The light pulse width is short enough to avoid heat damage or deformation to the treated surface.

3. Comparison of cleaning materials

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