Laser cleaning machine principle and superiority——Jenny

The laser irradiation of the surface of the object to clean can produce at least three effects. Laser cleaning machine principle and superiority as follows:

Laser cleaning machine principle and superiority

Thermal expansion effect

That is, the difference in absorption coefficient of a certain wavelength of laser energy between the substrate and surface contaminants. Its use to cause the substrate material and surface dirt to absorb energy to generate thermal expansion. When the expansion force of the dirt is greater than the adsorption force of the dirt on the substrate. The dirt will separate from the object surface.

Photolysis or phase change of molecules

The laser can achieve a high concentration of energy in time and space. The focuse laser beam can generate high temperatures of thousands of degrees or even tens of thousands of degrees near the focus. It causing the dirt to evaporate, vaporize, or decompose instantly.

Vibration of laser pulse

The surface to clean is irradiat with a high-frequency pulsed laser, and the laser beam can generate ultrasonic vibration on the solid surface to generate mechanical resonance to vibrate the dirt layer or condensate.

Advantages of laser cleaning

More environmentally friendly, laser cleaning machine principle and superiority

No need to use any chemicals and cleaning fluids. The clean waste is basically solid powder, small in size, easy to store, recyclable, non-photochemical reaction, no pollution.
Good effect

No abrasive, non-contact, and no thermal effects of laser cleaning, no mechanical force on the object being cleaned, no damage to the surface of the object, no damage to the substrate, and no secondary generation
Easy to control

The laser can transmitte through the optical fiber, cooperate with the robot to achieve long-distance operation, and can clean the complex structural parts that are difficult to reach by traditional methods. This feature also makes the safety of the operator in some dangerous places more secure.
Widely used

Laser cleaning can remove various types of contaminants on the surface of various materials, reaching a degree of cleanliness that cannot achieve by conventional cleaning. It can also selectively clean contaminants on the surface of the material without damaging the surface of the material.
Low cost

The initial investment of the laser cleaning system is high, but it can use stably for a long time, and the service life is up to 10 years. The operating cost is low, the speed is fast, the efficiency is high, the time is save, and the return on investment can be quickly obtain. In the long run, the cost ratio Traditional cleaning methods are lower.

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