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08 Nov, 2023, Company News

3D Dynamic Focus Laser Marking Application

3D Dynamic Focus Laser Marking Application

With the development of science and technology, the laser technology industry is also progressing. From standard fiber laser marking machines to various non-standard models: flying laser marking machines, dual-head laser marking machines, automatic loading and unloading laser marking machines, large format laser marking machines, vision laser marking machines, 3D dynamic focusing laser marking machines, etc. With the maturity of marking technology, more and more businesses want to have their own brand logos or leave parameters on items. Therefore, the need for marking items is increasing, and the styles and materials of the items are different.

3D dynamic focusing laser marking is a laser surface engraving method. Compared with traditional 2D laser marking machines, 3D dynamic focusing laser marking machines have greatly reduced the requirement for the surface flatness of the processed objects. The processing effect is more varied and interesting compared to traditional models. In the field of coding and marking, traditional laser equipment is only suitable for marking flat items, and is not suitable for the processing needs of three-dimensional curved surfaces in the industry (bowls, three-dimensional circuits, water bottles, iron cans, insulated cups, etc.).

The 3D dynamic focusing laser marking machine uses three-axis control technology. This technology adopts the current configuration of x/y galvanometer and applies it to the z-axis. The laser beam expander mirror, which is usually fixed at the output end of the laser beam, is installed on a sliding electronic galvanometer, so that the lens can move further or closer relative to the laser output end. As the beam expander mirror moves towards the laser output end, the focus of the laser beam also moves. In fact, this creates a field in the z-axis, where the laser can freely mark any surface, provided that the surface is within the ±21mm range of the original focusing position. This added flexibility allows these units to mark many surface types that were previously difficult to handle, such as cylinders, spheres, slopes, and multi-layered parts, without any decrease in accuracy and speed.


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