The influence of laser marking machine materials
Laser marking machine material (Material) surface reflectance
For the 10.6mm far-infrared beam emitted by CO2 laser, non-metallic materials (Material) absorb it well, that is, it has high Surface metal materials (Material) have poor absorption of 10.6mm beams, especially gold, silver, copper and aluminum metals with high reflectivity. CO2 laser beams are generally not suitable for such materials, especially Continuous wave beam to split.For aluminum and copper metals, to form sufficient initial power (referring to how much work the object does in a unit time) generally requires more than 3KW to obtain the initial small holes required for the penetration effect.
Ferrous metals, steel materials (Material), nickel, titanium, etc. have a certain absorption rate for the 10.6mm CO2 beam, especially when the surface of the material (Material) is heated to a certain temperature or oxide film In the future, its absorption rate will be greatly improved, so as to obtain a better segmentation effect.The laser coding machine mainly engraves the trajectory of the character to be marked, while the dot matrix laser machine engraves some important trajectory points of the character to be marked. Therefore, under the same energy situation, the new dot matrix laser coding machine prints faster. The coding machine breaks through the standardization and singularity of traditional inkjet coding technology, creating a brand-new coding method, highlighting product characteristics and brand differences, and improving products in the increasingly fierce market China’s competitive ability, and at the same time provide a powerful tool for shortening the product upgrade cycle and flexible production.
The surface state of the laser marking machine material (Material)
The surface state of the material (Material) directly affects (influence ) Absorption of the light beam, especially the surface roughness and surface oxide layer, will cause a significant change in the surface absorptivity.The laser marking machine should be used as far as possible in a dust-free, 10℃-35℃ environment, and keep the optics dry and dust-free. Laser marking machine is mainly used in some occasions requiring finer and higher precision. The laser coding machine mainly engraves the trajectory of the character to be marked, while the dot matrix laser machine engraves some important trajectory points of the character to be marked. Therefore, under the same energy situation, the new dot matrix laser coding machine prints faster. The marking machine is a permanent mark that cannot be erased. It is vaporized directly on the surface of the object by a laser and can be distinguished by the naked eye without any auxiliary tools, which is convenient for consumers to recognize. In the practice of laser marking machines, sometimes the influence of the surface state of the material on the beam absorption rate (influence) can be used to improve the segmentation performance of the material.
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