Máquina de corte a laser de metal, Máquina de corte a laser de fibra, Fornecedor de máquinas de corte a laser, Máquina de marcação a laser, Máquina de marcação a laser de fibra...
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Laser marking machine is emerging high-tech machinery and equipment in recent years. Fiber laser marking machine has a wide range of applications, such as hardware products, precision equipment, electrical appliances, and many of the words on PVC pipes are marked with fiber marking machines. The laser fiber marking machine came out in just a few years and replaced most of the marking products on the market. Today, MYST Laser will introduce its working principle and unique advantages.
1. Basic principles:
Laser marking uses a laser beam to make permanent marks on the surface of various materials. The effect of marking is to expose the deep material through the evaporation of the surface material, or to "carve" traces through the chemical and physical changes of the surface material caused by light energy, or to burn off part of the material through light energy to show the required etching Patterns, text. CNC laser marking machines are mainly divided into CO2 laser marking machines, semiconductor laser marking machines, fiber laser marking machines, and YAG laser marking machines (obsolete).
2. Currently, there are two recognized principles:
"Heat processing" a laser beam with a higher energy density (it is a concentrated energy flow), irradiates the surface of the processed material
On the surface, the surface of the material absorbs the laser energy and generates a thermal excitation process in the irradiated area, so that the surface of the material (or coating
Layer) The temperature rises, causing phenomena such as metamorphosis, melting, ablation, and evaporation.
"Cold processing" (ultraviolet) photons with very high load energy can interrupt materials (especially organic materials) or
The chemical bond in the surrounding medium causes the material to undergo non-thermal process destruction. This kind of cold processing has special features in laser marking processing.
It has a special meaning because it is not thermal ablation, but cold peeling that breaks the chemical bond without the side effect of "thermal damage".
Therefore, there is no heating or thermal deformation on the inner layer and nearby areas of the processed surface. For example, in the electronics industry, use an excimer laser to deposit a thin film of chemical substance on the base material and make a narrow groove on the semiconductor substrate.
3. Advantages of 3d laser marking machine:
1) Marking laser machine can be printed on different types of materials or different hardness materials such as metal, plastic, ceramic, glass, paper, leather, etc.;
2) Portable laser marking machine can be integrated with other equipment on the production line to improve the automation of the production line;
3) The mark is clear, durable, beautiful, and effective anti-counterfeiting;
4) Long service life and no pollution;
5) Low operating cost
6) The marking speed is fast and the marking is formed at one time, with low energy consumption and low operating cost.
4. Application of laser marking machine:
Laser marking machines are mainly used in some occasions requiring finer and higher precision. Used in electronic components, integrated circuits (IC), electrical appliances, mobile communications, hardware products, tool accessories, precision equipment, glasses and watches, jewelry, auto parts, plastic buttons, building materials, PVC pipes.
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