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Development status of optical components

In 1994, the Laser Research Institute of Hunan University successfully developed the first domestically produced frame-type folding quasi-sealing type cutting and welding wholesale large size infrared Silicon optics components, and obtained the national invention patent. The price of each device is only 1/2 of that of foreign products.

In March 2003, the “CNC Laser Tube Processing Equipment” developed by the Changchun Institute of Optics and Physics of the Chinese Academy of Sciences changed the situation that China’s petroleum industry relied on imported equipment for processing pipes. This indicates that China’s ability to manufacture advanced equipment has reached the international advanced level.

The CNC Machinery Company of Jinan Casting and Forging Co., Ltd. developed and manufactured the first domestically produced LC2-18*30 exchange type double table double-sided CNC precision laser cutting machine. In the design, two key technologies were broken. One is to solve the synchronization problem of the two electrodes when the shaft is driven bilaterally, and the other is to solve the synchronization problem of the eight cylinders of the lifting table.

In September 2004, Huagong Technology successfully launched the first domestically produced high-performance laser cutting machine.

Japan currently has 20,000 sets of custom infrared spherical/aspherical/cylindrical Silicon lenses, accounting for about one-third of the total optical components in the world, 80% of which are laser cutting machine equipment. Since 1995, Japan has produced more than 500 optical components per year, including more than 100 YAG laser cutting machines. The global high-power CNC laser cutting equipment has a total of 35,000 sets (sets), while China’s current high-power CNC laser cutting equipment has a capacity of 1,500 units. The main features of the domestic CNC laser cutting machine are: the price is lower, about 1/3 of the import price, the optical component power is lower, generally less than 1.5KW. Compared with foreign machines, it shows slit width, surface quality, mechanical precision, stability of the whole machine, and poor flexibility, but it has the advantage of price.

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In 2007, the sales volume of domestic large-scale optical components reached 1.5 billion yuan, which basically occupied the domestic market in the middle and low-end products, and some products were exported. However, compared with developed countries such as the United States, the European Union, and Japan, China’s optical components are still in the low-end product stage, and most of the high-power optical components, laser-specific control systems, laser beam transmission control, and laser cutting proprietary technologies. Core technology also relies on imports. At present, internationally renowned TRUMPF companies such as TRUMPF, Swiss BYSTRONIC and PRIMA have developed high-power, large-format, high-speed, flying optical, multi-dimensional, CNC automatic laser cutting machines. In the field of high-end laser cutting systems, there is a big gap between China and the international advanced level. Products are basically dependent on imports, and they have to spend billions of dollars each year to introduce relevant technologies and equipment from abroad. For example, in the shipbuilding industry, the customized plano/spherical/aspherical/cylindrical ZnS optics components of the medium-thick steel plate, three-dimensional optical components, non-ferrous optical components, etc., the introduction of expensive prices, long ordering period, and after-sales service can not be guaranteed in time, seriously restricting the development of the economy of the besieged people. And because foreign exports in this field have clear restrictions on China, the licensing system is adopted, and the technology is strictly not applicable to military, aerospace and other fields. Therefore, China urgently needs to break through this technology. .

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