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Carbon dioxide co2 laser marking machine gives more possibilities for deep engraving of curved surfaces
With the rapid development of laser technology, 3D laser marking technology is gradually emerging. Compared with 2D laser marking, 3D laser marking can perform fast laser marking on products with uneven surface or irregular shape, which not only improves processing efficiency, but also meets individual processing needs, providing more efficient material processing. Creative processing technology.
Applicable scope of 3D laser marking machine
First, larger range and finer light effect
3D marking adopts front focus In optical mode, larger X and Y axis deflection lenses are used, so the transmitted laser spot can be larger, the focusing accuracy is better, and the energy effect is better; if 3D marking and 2D marking work with the same focusing accuracy, The marking range can be larger.
Second, can mark objects of different heights
3D marking can quickly change the laser focal length and the position of the laser beam, making the surface that 2D cannot achieve Marking is possible. After using 3D, the cylindrical marking within a certain arc can be completed at one time, which greatly improves the processing efficiency. Furthermore, in real life, the surface shape of many parts is irregular, and the advantages of 3D marking will be very obvious.
319 cylindrical marking diagram
Three, more suitable for deep engraving
Traditional 2D marking has inherent deep engraving on the surface of objects As the laser focus moves up during the engraving process, the laser energy acting on the actual surface of the object will drop sharply, which seriously affects the effect and efficiency of deep engraving.
The traditional deep engraving method is to move the lift table to a certain height at regular intervals during the engraving process by electric means to ensure that the laser surface is well focused. However, 3D marking for deep engraving does not have the above problems, which not only ensures the effect, but also improves the efficiency, and at the same time saves the cost of the electric lifting table.
Fourth, multi-color marking can be realized
For general metal surface blackening, such as anodized aluminum, it is usually used under appropriate energy. High-frequency pulses are used for marking under a certain defocusing condition. The defocusing distance obviously affects the energy distribution and color effect of the laser on the surface of the material. For general 2D marking users, even if advanced features such as surface marking are not required, it is meaningful that the 3D marking machine can perform plane processing with multi-grayscale and multi-color effects.
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