Following the launch of China's first CNC heavy-duty crankshaft cyclone machining lathe last year, China became the world's third country to independently produce crankshaft processing equipment. China's heavy-duty machine tool production base - Qizhong CNC Co., Ltd. (hereinafter referred to as Qizhong CNC) Once again breaking through the world's high-end technical difficulties, standing at the peak of manufacturing.
In April 2008, at the China CNC Machine Tool Exhibition held in Beijing, the three high-precision, high-efficiency wind power generation equipment CNC machining machines independently developed by Qizhong CNC made the industry a refreshing one. Among them, a "CNC vertical grinding machine" has reached the highest level of three thousandths of a millimeter in the world due to the precision of machining workpieces. The change has written a long history of dependence on imports of similar equipment in China. Wu Bolin, Director General of China Machine Tool & Tool Industry Association, believes that the three machine tools exhibited by Qizhong CNC not only solve the problem of processing key components of wind power equipment, but also urgently need for China's bearing industry, wind power industry and military, national defense and aerospace. The high-precision equipment provides localization guarantee and has broad application prospects.
The three machine tools developed by Qizhong CNC have reached the world advanced level: the machining precision of “CNC Vertical Grinding Machine†has reached the highest of the world's similar machine tool products by three thousandths of a millimeter, and the hair of the human hair is 20%. One, while the processing precision of similar domestic machine tool products can only reach one-third millimeter; "CNC vertical milling machine" and "vertical milling and machining center" are more efficient than ordinary gear hobbing machine and ordinary rocker drilling Increase by 5 times and 10 times or more. Liu Jianrong, chairman of Qizhong CNC, told reporters that due to the lack of mastery of the core technology of wind power manufacturing, China's large-scale wind power processing equipment can only rely on imports. It takes 6 to 7 days for a conventional gear milling machine to be a normal bearing. The newly developed "CNC Vertical Milling Machine" takes only 3 hours.
At present, China is in the period of rapid development of wind power. According to the “Eleventh Five-Year Planâ€, by 2015, China's wind power installed capacity will reach 10 million kilowatts, and by 2020 it will reach 30 million kilowatts. However, due to the low level of general manufacturing in the domestic wind power industry, the core components of wind power generation can only be imported from a few countries such as Italy and France, which is not only expensive but also has a long delivery period. Last year, due to the shortage of supply in the market, the national unit price of wind power bearings has nearly doubled, which has greatly reduced the profits of domestic wind turbine manufacturers, with an average of only about 10%.
In order to break through the situation that China's wind power bearings are subject to people's situation, Qizhong CNC has started technical research since the end of last year. From design to manufacturing, it took only 6 months to complete the development of these three sets of complete sets of machine tools, not only the process reached the world's leading level. And the price is only two-thirds of the foreign similar products.
In the development process of the most difficult "CNC vertical grinding machine", because the precision of the developed machine tool is the highest in the world, it is impossible to find an instrument that can measure such high-precision products in China. In order to detect the precision of the manufacturing process at any time, the R&D personnel will find a new way. The accuracy of the existing assessment has increased by an order of magnitude.
The development of “CNC Vertical Grinding Machine†has enabled the team's research and development capabilities of Qizhong CNC to be fully reflected. Yang Changqing, director of the CNC Research and Development Center, said: "The products with such high precision requirements have never been touched before, but the R&D team of CNC has brainstormed. After several decades of technical accumulation, everyone has touched the clue: from the possible impact of improvement. The shockworthiness and heat balance of the machine tool precision, and gradually improve the accuracy of all transmission parts, finally overcome the technical difficulties. The successful development of the first 'CNC vertical grinding machine' in China is the crystallization of the collective wisdom of Qizhong people."
Liu Jianrong said that independent innovation and revitalization of the national equipment manufacturing industry are the responsibility of enterprises. Qizhong CNC will always aim at the world's cutting-edge technology, closely focus on market demand, continue to independently research and develop high-end CNC machining equipment, and continuously meet the needs of national construction and accelerate. The process of green energy development projects in China.
In April 2008, at the China CNC Machine Tool Exhibition held in Beijing, the three high-precision, high-efficiency wind power generation equipment CNC machining machines independently developed by Qizhong CNC made the industry a refreshing one. Among them, a "CNC vertical grinding machine" has reached the highest level of three thousandths of a millimeter in the world due to the precision of machining workpieces. The change has written a long history of dependence on imports of similar equipment in China. Wu Bolin, Director General of China Machine Tool & Tool Industry Association, believes that the three machine tools exhibited by Qizhong CNC not only solve the problem of processing key components of wind power equipment, but also urgently need for China's bearing industry, wind power industry and military, national defense and aerospace. The high-precision equipment provides localization guarantee and has broad application prospects.
The three machine tools developed by Qizhong CNC have reached the world advanced level: the machining precision of “CNC Vertical Grinding Machine†has reached the highest of the world's similar machine tool products by three thousandths of a millimeter, and the hair of the human hair is 20%. One, while the processing precision of similar domestic machine tool products can only reach one-third millimeter; "CNC vertical milling machine" and "vertical milling and machining center" are more efficient than ordinary gear hobbing machine and ordinary rocker drilling Increase by 5 times and 10 times or more. Liu Jianrong, chairman of Qizhong CNC, told reporters that due to the lack of mastery of the core technology of wind power manufacturing, China's large-scale wind power processing equipment can only rely on imports. It takes 6 to 7 days for a conventional gear milling machine to be a normal bearing. The newly developed "CNC Vertical Milling Machine" takes only 3 hours.
At present, China is in the period of rapid development of wind power. According to the “Eleventh Five-Year Planâ€, by 2015, China's wind power installed capacity will reach 10 million kilowatts, and by 2020 it will reach 30 million kilowatts. However, due to the low level of general manufacturing in the domestic wind power industry, the core components of wind power generation can only be imported from a few countries such as Italy and France, which is not only expensive but also has a long delivery period. Last year, due to the shortage of supply in the market, the national unit price of wind power bearings has nearly doubled, which has greatly reduced the profits of domestic wind turbine manufacturers, with an average of only about 10%.
In order to break through the situation that China's wind power bearings are subject to people's situation, Qizhong CNC has started technical research since the end of last year. From design to manufacturing, it took only 6 months to complete the development of these three sets of complete sets of machine tools, not only the process reached the world's leading level. And the price is only two-thirds of the foreign similar products.
In the development process of the most difficult "CNC vertical grinding machine", because the precision of the developed machine tool is the highest in the world, it is impossible to find an instrument that can measure such high-precision products in China. In order to detect the precision of the manufacturing process at any time, the R&D personnel will find a new way. The accuracy of the existing assessment has increased by an order of magnitude.
The development of “CNC Vertical Grinding Machine†has enabled the team's research and development capabilities of Qizhong CNC to be fully reflected. Yang Changqing, director of the CNC Research and Development Center, said: "The products with such high precision requirements have never been touched before, but the R&D team of CNC has brainstormed. After several decades of technical accumulation, everyone has touched the clue: from the possible impact of improvement. The shockworthiness and heat balance of the machine tool precision, and gradually improve the accuracy of all transmission parts, finally overcome the technical difficulties. The successful development of the first 'CNC vertical grinding machine' in China is the crystallization of the collective wisdom of Qizhong people."
Liu Jianrong said that independent innovation and revitalization of the national equipment manufacturing industry are the responsibility of enterprises. Qizhong CNC will always aim at the world's cutting-edge technology, closely focus on market demand, continue to independently research and develop high-end CNC machining equipment, and continuously meet the needs of national construction and accelerate. The process of green energy development projects in China.
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