China's superhard materials network news recently, China Machine Tool Industry Association Xu Shangwen specializing in the first meeting of the fifth session of the Abrasives Branch of the Abrasives Branch pointed out that in 2010, the abrasives industry is the largest in the industry of machine tools and tools, China Abrasives abrasive production accounts for more than 70% of the world's total, making it a veritable abrasive abrasive. On the same day, Li Dongru, deputy director of the Science and Technology Industry Department of the China Machinery Industry Federation, also pointed out in the speech: Due to the obvious comprehensive advantages of super-hard grinding wheels, the abrasive tools “super hardening†became the development trend of the abrasives industry. Xu Shangwen emphasized in his speech that in 2010, the development momentum of the machine tool industry continued to grow rapidly, and the total industrial output value increased by 40.6%. In 2010, China still maintained the first machine tool consumption, the first output value, and the first import. status. The machine tool industry is divided into eight small industries, namely, gold cutting machine tools, forging equipment, foundry machinery, woodworking machine tools, abrasive tools, measuring tools and cutting tools, machine tools and numerical control devices, machine tool accessories (including functional components), according to the National Bureau of Statistics. In 2010, there were 6,367 enterprises in the machine tool industry and above, and 1809 of the abrasives and abrasives enterprises accounted for 29.4% of the total. The total output value of the whole industry is 553.68 billion yuan, of which the output value of abrasives and abrasives is 155.31 billion yuan, accounting for 28% of the second place in the industry. At present, China's abrasive abrasive production accounts for more than 70% of the world's total. Deputy Director Li Dongru gave a speech entitled "Development Plan for the Twelfth Five-Year Plan for the Machinery Industry and the Development Opportunities for the Abrasives Industry". The development opportunities and countermeasures of the abrasives industry in the development of the 12th Five-Year Plan were highlighted. . Deputy Director Li Dongru said: During the development of the “Twelfth Five-Year Planâ€, the abrasive grinding technology will develop rapidly in the areas of high speed, ultra-high speed, precision, high efficiency, specialization, super-hardening and complete service. The comprehensive advantages of super-hard grinding wheels are obvious. Abrasive tools for processing key parts of engines have begun to develop into super-hard abrasives such as diamond or CBN. Super-hard abrasives will play an irreplaceable role in the development trend of the above five grinding technologies. Great role. Li Dongru, deputy director hopes that the abrasives industry can develop high-speed and high-efficiency precision grinding tools for the automotive industry, including key components of automobile engines and transmissions, as well as various high-speed and high-efficiency precision abrasive tools for steering gear processing, and series of high-efficiency precision grinding. Tooling, grinding process database, grinding wheel dressing technology and dressing equipment, high-speed grinding wheel safety design and testing technology, high-speed grinding process cooling method and device, providing / overall technical solutions. The overall processing efficiency of the abrasive grinding tool is increased by 50%, and the processing cost is reduced by 10-30%. Deputy Director Li Dongru also hopes that the abrasives industry can develop aerospace high-efficiency precision abrasive tools. In recent years, difficult-to-machine materials such as titanium alloys, high-temperature alloys, carbon fiber composite materials, and anti-friction or high-temperature ceramic coatings have become more and more widely used in aerospace applications. The key parts of aerospace and important parts and structural parts have high requirements on machining accuracy, surface roughness and surface quality due to their different shapes and structures, complex Profiles, and special-shaped sections and free-form surfaces. However, in the grinding process, the difficult-to-machine material has a large grinding force and a high grinding temperature, which is liable to cause a large residual tensile stress, which is demanding on the grinding tool. At present, China's aerospace abrasives are still dependent on imports to a certain extent. Not only are they expensive, but the core technology is also subject to people. Therefore, the development of key components of aero-engine key components has become an urgent need for China's abrasives industry. Puzzle. Deputy Director Li Dongru emphasized in his speech: Precision/High Efficiency Grinding Wheel (Worm Grinding Wheel), Grinding Wheel Grinding Wheel, Precision Grinding Wheel and Polishing Belt, Crankshaft Group Grinding Wheel and High Speed ​​CBN Grinding Wheel, Camshaft High Speed ​​CBN Grinding wheel, injection nozzle small hole honing stone, ceramic microcrystalline corundum grinding wheel for heavy duty grinding, tool grinding wheel, silicon double face grinding/polishing grinding tool, optical glass polishing wheel, high railway track grinding wheel, high efficiency precision Abrasives such as coated abrasives and super-hard grinding wheel laser dressers are urgently needed in the market and are urgently needed for the development of the industry. Deputy Director Li Dongru said: Adjust the industrial structure, restrain the production capacity of low-level products, optimize the export structure; adjust the product structure, actively develop high-speed/high-efficiency/precision abrasive tools and new abrasives; increase R&D investment, establish R&D institutions or develop test conditions Accelerate the cultivation of talents and enhance the ability to innovate; implement brand strategy, actively adopt advanced foreign standards, and promote technological progress; strengthen technological transformation, promote cleaner production, and promote energy conservation and emission reduction are the opportunities for us to face the “Twelfth Five-Year Planâ€. A countermeasure that can be focused on.
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