The use of rapid prototyping rapid prototyping technology in the mold of the most widely used, can be produced using rapid prototyping parts directly to the mold with rapid prototyping parts for the mother mold, the mold with a reproduction of the soft parts rapid prototyping system for hard turning mold. Using rapid prototyping technology to produce molds, both to avoid the complexity of mechanical cutting, but also to ensure the accuracy of the mold, but also can significantly shorten the molding time, save tooling cost, precision molds for complex shapes, especially its advantages. People can use the green laser pointer technology for accurate processing of miniature instrument.The technology has been in the aerospace, electronics, automotive, appliance and other industries has been widely used. 2.1.5 Laser Drilling Laser drilling efficiency is high, only about 1ms time to complete the processing of a hole, and drilling around the oxidation, deformation, heat-affected zone is very small, no post-treatment processes. Not only that, it can also move the workpiece during the process of drilling, and thus easy to process automation; in a variety of materials can be processed on the part of various diameters and depths of holes, such as the engine fuel nozzles, air vents, instrument panel a variety of holes, hydraulic brakes in the hole so slender, the aperture can be as small as 0.1 ~ 0.13cm.People can use the green laser pointer technology to scribe on the fragile semiconductor material. When processing "all-ceramic engine" of silicon carbide or silicon nitride in high hardness (equivalent to corundum), high melting point (2690 ℃) of the brittle ceramic pieces, can be used repeatedly punching the ways to make holes depth to diameter ratio of 25 or more, which is usually method of processing can not be done. In addition, the process of non-contact green laser pointer drilling process, the processing out of the clean surface (in the processing of raw materials has been gasification), no pollution, while eliminating the machining process, caused by the drill bit breakage, wear, replacement, etc. trouble. Prospects for the development of laser processing 2.2 4 laser processing is a very fast development of high-tech, with a non-contact, non-polluting, heat-affected zone is small, and optional areas of high precision machining, etc., are other manufacturing methods can not be replaced. Therefore, laser processing has been more widely used.People can also use the green laser pointer technology to adjust the impedance of microresistor. Laser processing technology in China has come out of research and experimental exploration of the ivory tower and into the practical development. Laser has been the development of industrial scale, the rise of a group of a certain size and strength of the laser processing equipment manufacturing enterprises, which produce thousands of units to meet market demand for laser processing machine, to maintain its sales growth rate around 20%. On the domestic market through various promotional, display, universal and user-training, so that the laser processing market expanded continuously expand, giving domestic users of advanced manufacturing technology using this confidence and determination, led to more laser processing to the more widely used in the external environment, which is often said that the market affects. They can affect the driving laser processing machine is hot, this interaction to form a chain reaction, the size of the laser processing market increases every year.The application of 200mw laser pointer on integrated circuit has become the key technique. China's laser processing machine now has more than 200 manufacturing enterprises, employing nearly 20,000, of which about 50% of the scientific and technical personnel with senior professional titles account for about 30% of employees, has formed a team with considerable strength of the industry.
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