Lasers are one of the major inventions of this century and have great technological potential. Through learning, we know that laser processing is a high-energy beam processing method. It uses high-intensity, high-brightness, good directivity, and good monochromaticity, and is focused on a series of optical systems to form fine, parallelism. The light beam, which has a very high energy density, irradiates the material so that the material melts or even vaporizes in a very short time to achieve the purpose of heating and removing the material. So, what are the characteristics of the current hot laser processing?
First, the processing precision is high and can be focused into a micrometer-sized spot, which is suitable for precision microfabrication.
Second, the processing quality is good. Laser processing has a high energy density and a short thermal history. The entire processing area is virtually unaffected by heat, and the workpiece has minimal thermal deformation, so it can process materials that are sensitive to thermal shock.
Third, the processing speed and efficiency are high. Laser drilling takes only 0.01 second, laser cutting improves efficiency by 20 times compared to conventional methods, laser welding improves by 30 times, fine-tuned film resistance can be increased by 1000 times, and accuracy is improved by 1 to 2 orders of magnitude.
Fourth, easy automation. Laser beam transmission is convenient, easy to control, and easy to integrate with advanced technologies such as automatic detection and computer digital control.
Fifth, universality. A laser can be used to change different light guide systems to handle workpieces of various shapes and sizes. It is also possible to select appropriate processing conditions and use the same device for cutting, drilling, welding, and surface treatment.
Sixth, energy saving. The energy utilization of the laser beam is 10 to 1000 times that of conventional thermal processing, and laser cutting can save 15% to 30% of the material.
Seventh, the laser department processed the workpiece through an optically transparent medium.
Since the world’s first laser was introduced in 1960, the family of lasers has entered the era of colorful flowers. With the rapid development of lasers, we can only continue to learn and continue to deepen in order to make better use of lasers and promote the progress and development of society and humanity.
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