威廉希尔官方下载

Laser Technology Is Widely 威廉希尔官方下载ed in Manufacturing Industry

Apr 15, 2020

The laser is especially suitable for material processing because of its excellent monochromaticity, coherence, and direction collimation. Laser processing is the most promising field of laser application. Now more than 20 laser processing technologies have been developed.

Space and time control of the laser is very good. It has a large degree of freedom for the material, shape, size, and processing environment of processing objects, especially for automatic processing. The combination of the laser processing system and computer numerical control technology can form high-efficiency automatic processing equipment, which has become the key technology for enterprises to implement timely production and has opened up a broad prospect for high-quality, high-efficiency and low-cost processing and production.

Laser rapid prototyping technology integrates the latest achievements of laser technology, CAD / CAM technology, and material technology. According to the CAD model of parts, photosensitive polymer materials are solidified layer by layer by laser beam, which can be accurately stacked into samples, and complex parts can be quickly and accurately manufactured without mold and cutter. This technology has been widely used in aerospace, electronics, automobile, and other industrial fields. Laser cutting technology is widely used in the processing of metal and non-metal materials, which can greatly reduce the processing time, reduce the processing cost, and improve the quality of the workpiece. Pulse laser is suitable for metal materials, the continuous laser is suitable for non-metal materials, the latter is an important application field of laser cutting technology. The laser welding technology has the effect of solution pool purification, which can purify the weld metal and is suitable for welding between the same and different metal materials.

Laser welding has high energy density, which is especially beneficial to metal welding with a high melting point, high reflectivity, high thermal conductivity, and a great difference in physical properties. In laser welding, a laser beam with lower power than that used in cutting metal is used to melt the material without vaporizing it, which becomes a continuous solid structure after cooling. Laser drilling technology has become one of the key technologies in the field of modern manufacturing due to its advantages of high precision, high universality, high efficiency, low cost, and remarkable comprehensive technical and economic benefits.

Before the appearance of laser, only the harder material can be used to drill holes on the less hard material. In this way, it is extremely difficult to drill on the diamond with the highest hardness. After the appearance of the laser, this kind of operation is fast and safe.

Laser marking technology is one of the biggest application fields of laser processing. Laser marking is a kind of marking method which uses high energy density laser to irradiate the part, vaporize the surface material or change the color, so as to leave a permanent mark.

Laser marking can print all kinds of characters, symbols, and patterns, and the size of characters can be from millimeter to micrometer, which is of special significance for the anti-counterfeiting of products. All solid UV laser marking is a new technology developed in recent years. It is especially suitable for metal marking and submicron marking. It has been widely used in the microelectronics industry and bioengineering.

In order to achieve dynamic balance, the laser is used to remove the unbalanced part of high-speed rotating parts and make the inertia axis coincide with the rotating axis. Laser de weight balance technology has two functions of measurement and de weight. It can measure and correct the imbalance at the same time, which greatly improves the efficiency and has a broad application prospect in the field of gyro manufacturing. For high-precision rotors, laser dynamic balancing can improve the balancing accuracy many times, and the balancing accuracy of mass eccentricity value can reach 1% or a few micrometers per thousandth.

Compared with the traditional chemical etching technology, laser etching technology is simple and can greatly reduce the production cost. It can process 0.15-1 μm wide lines, which is very suitable for the manufacture of VLSI.

Laser fine-tuning technology can automatically be fine-tuning the resistance, with the accuracy of 0.01% - 0.002%, which is higher than the traditional machining method in accuracy, efficiency, and cost. Laser fine-tuning includes fine-tuning of thin-film resistor (0.01-0.6 μm thick) and thick film resistor (20-50 μm thick), fine-tuning of capacitance and fine-tuning of a hybrid integrated circuit. Laser storage technology is a technology (such as CD, DVD, etc.) that uses the laser to record video, audio, text, and computer information. It is one of the supporting technologies in the information age.


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