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Problems, principles and advantages of fiber laser marking machine marking plastics

by:Leadtech Coding     2022-03-14

Fiber laser marking machine is a laser marking machine using a fiber laser. The fiber laser marking machine has a long service life, maintenance-free, no consumables, high stability, high production efficiency, a wide range of applications, and low cost of use. At present, more and more industries are introducing and using fiber laser marking machines, so how wide is the application range of fiber laser marking machines?

The materials marked by the fiber laser marking machine are mainly metals and some non-metals. It can be marked with a fiber laser marking machine, but the effect is good or bad. For example, aluminum and copper, if you mark on aluminum, you can only print white, the logo is not clear, and you need certain skills before you can print on it. Clear logo, if copper can be marked, it is very good. For plastic, hard plastic such as ABS is better to play. There are many kinds of plastic materials. Generally, the hard texture, the darker the color, the easier it is to use optical fiber. Laser marking machine to mark the logo.

So can the fiber laser marking machine mark plastic? The answer is yes, but there are conditions. Is there a logo of different colors on the plastic? Generally speaking, when the fiber laser marking machine marks the logo, the color printed by the laser marking machine is the color of the material itself, but like stainless steel, the parameters can be adjusted to make the printed logo appear. A variety of colors can be produced. For plastics, generally only gray-black can be printed, and the depth of the color can only be adjusted, but other colors cannot be printed.

Will the fiber laser marking machine burn out the plastic when marking on plastic?

The fiber laser marking machine will not burn the plastic when marking on the plastic. The output power of the fiber laser marking machine is generally not high. As long as the parameters are adjusted properly, the laser will only The thin layer of the plastic surface evaporates without burning the plastic itself, so there is no need to worry about this problem, but it is a laser cutting machine. Now it is difficult to use a laser cutting machine in the industry to cut plastic without melting, yellowing and other phenomena. Of course this is off topic.

Fiber laser marking machine marks plastic, can the mark be wiped off?

Generally not, the laser marking is generally permanent, unless the surface is scraped off, it cannot be wiped off, so use the laser marking machine to mark the production date, Anti-counterfeiting signs are still very useful.

The basic principle of the laser marking machine is that the laser generator generates a high-energy continuous laser beam, focuses on the printing material, instantly melts or even evaporates the surface material, thereby controlling the path of the laser, The required graphic marks are formed on the surface of the material. The laser marking machine is characterized by non-contact processing. The UV laser marking machine marks on any special-shaped surface, and the workpiece will not deform and generate internal stress. It is suitable for marking metal, plastic, glass. , ceramic, wood, leather and other materials.

The extremely thin laser beam behind the laser marking machine is like a tool to remove the surface material of the object point by point. The advanced feature is that the marking process is non-contact processing without mechanical Extrusion or mechanical stress, so it will not be damaged, items, due to the small size of the laser after focusing, the small heat-affected area, and the fine processing, it is possible to complete processes that cannot be achieved by traditional methods, the 'tools' used in laser processing are focused The light spot does not need to add additional equipment and materials. As long as the laser works normally, it can be processed continuously for a long time. The laser processing is fast and low-cost. The laser processing is automatically controlled by the computer, and there is no need for manual intervention in the production process. The information is only related to the information designed in the computer, as long as the graphic marking system designed in the computer recognizes it, the marking machine can accurately restore the design information to the appropriate carrier, so the function of the software actually determines to a large extent The function of the system, as a modern precision processing method, laser marking technology has incomparable advantages compared with traditional processing methods such as corrosion, EDM, mechanical scribing and printing: 1. Laser marking machine is used for processing Means, there is no processing force between the industrial IC automatic laser marking machine and processing, processing, the workpiece has the advantages of no contact, no cutting force, small thermal influence, thus ensuring the original accuracy of the workpiece, at the same time, it has the advantages of Wide range of adaptability, very fine marking on the surface of various materials, and very good durability.

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