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Traditional cleaning industrial equipment has a variety of cleaning methods, mostly using chemical agents and mechanical methods for cleaning. Compared with traditional cleaning methods such as mechanical friction cleaning, chemical corrosion cleaning, liquid solid strong impact cleaning, and high-frequency ultrasonic cleaning, laser cleaning has the characteristics of no grinding, non-contact, low thermal effect, and is suitable for objects of various materials. considered a reliable and effective solution.
In today’s increasingly stringent environmental protection regulations and people’s increasing awareness of environmental protection and safety, the types of chemicals that can be used in industrial cleaning will become less and less. How to find a cleaner and non-destructive cleaning method is a problem we have to consider. So, what is the principle of laser cleaning? What is the effect of automatic laser cleaning?
The Principle of Laser Cleaning
Laser irradiation on the surface of the object to be cleaned will produce a thermal expansion effect: that is, by using the difference in the absorption coefficient of the laser energy of a certain wavelength between the substrate and the surface contaminants, the substrate material and the surface contaminants absorb energy and generate thermal expansion. When the adsorption force of the substrate is applied, the dirt will be released from the surface of the object.
The surface of the object to be cleaned is irradiated by the laser to decompose or phase change the molecules: the laser can achieve a high concentration of energy in time and space, and the focused laser beam can generate a high temperature of several thousand degrees or even tens of thousands of degrees near the focal point. Instantaneous evaporation, vaporization or decomposition.
Laser irradiation on the surface of the object to be cleaned will generate vibration of laser pulses: high-frequency pulsed laser is used to irradiate the surface to be cleaned, and the laser beam can generate ultrasonic waves on the solid surface to generate mechanical resonance to vibrate and fragment the dirt layer or condensate.
What is the effect of laser cleaning machine?
During laser cleaning, you can not only hold the laser gun head for cleaning, but also carry a rotating tool or a mechanical arm to achieve automatic cleaning. The workpiece to be cleaned is fixed on the rotating tool, the workpiece rotates at a constant speed, and the laser beam is fixed to emit light, so that the cleaning effect is consistent and there is no cleaning deviation.
It can be seen from the figure that after the laser beam is irradiated, the paint layer on the surface of the workpiece is peeled off the surface of the workpiece, revealing the original color of the workpiece. Laser cleaning is a multi-purpose cleaning equipment, which can not only clean the rust layer, oil stain, oxide layer, etc. on the workpiece, but also clean the paint layer, whether it is baking paint, spray paint, or painting on the workpiece, it can be cleaned. dropped.
Why More People Start to Choose Laser Cleaning Machine
Now there are many kinds of machines with different models and powers. Different models and powers have different machine performances, such as painting and painting on metals. This is easier to handle. Using low-power laser cleaning equipment can complete the workpiece cleaning. Surface cleaning.
If you want to clean the paint, it will be more difficult to deal with, such as this requires the use of a high-power laser cleaning machine, we will recommend the appropriate equipment according to the actual cleaning of the customer’s workpiece and the required efficiency.
The shortcomings of traditional cleaning methods have prompted the application of laser technology in the field of surface cleaning. Due to its many advantages, laser cleaning is now the most effective method for removing unwanted substances from the surface of materials.
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