China's machine tool industry has always been valued and cared by the Central Government. Through the arduous efforts of the entire industry for 60 years, and remarkable hard work, especially during the 30 years of reform and opening up and the 10 years since entering the 21st century, we have established a relatively large-scale and relatively complete system, which has laid a favorable The basis of technology, the product has considerable market competition and supply strength.
CNC machine tools are the mainstream equipment for the modern machinery manufacturing industry, and they are hot commodities in the market. Some high-end CNC machine tools are still used as strategic goods in the international market by embargoes and restrictions. The development of CNC machine tools in China has experienced ups and downs over the past 30 years, and it has matured from its growth period. In 2008, the annual output reached 125,000 units (the high-end part of certain categories, and the situation where imports once accounted for a higher proportion is changing.
According to the latest information released, 80% of NCIC's CNC machine tools purchased domestic brands, and Ordnance Industry Group currently purchases 90% of its machine tool products. China's 1,500 CNC machine tools for the market cover superheavy machine tools, high-precision machine tools, special-purpose machine tools, forging equipment, and cutting-edge high-tech machine tools.
Five-axis (coordinate) linkage CNC machine tool is one of the technical high-level signs of CNC machine tools. The five-axis linkage milling machine used for the machining of large-scale propeller space curved surfaces caused a sensational US and Japan sanctions against the former Soviet Union’s “Toshiba incident.” More than ten years ago, the United States Congress imported 16 sets of aircrafts used for aircraft manufacturing. Axis linked old machine tools and produced the so-called "Cox Report" that required sanctions against China.
These numerically-controlled five-axis linkage product technologies, which are still being embargoed so far, have gradually been mastered in China, such as CNC five-axis linkage heavy duty floor-standing boring and milling machines. Gantry-type milling and boring machines, machining centers, etc. have been introduced to the market one by one in the past decade. In 2001, at the 7th International Machinery China Metal Processing Online Copyright Bed Exhibition (CIMT 2001), China exhibited five kinds of such products, And the supply markets were put into production and use one after another. At the time, a certain German company’s entry into the Chinese market for this type of product had to be reviewed by the government. It was unable to exhibit itself, and lost business opportunities. It complained afterwards. At the 11th CIMT2009 in April 2009, China further launched more than 40 types, including heavy-duty gantry mobile and various types of CNC 5-axis simultaneous boring and milling machines for aerospace, shipbuilding and metallurgical industries. center.
CNC super heavy-duty machine tools are the key equipment for the manufacture of water, fire and nuclear power station equipment, shipbuilding, metallurgy and mining and other major equipment manufacturing and heavy weapons. The 5 vertical CNC lathes with a machining diameter of up to 16m developed by Wuhan Heavy Machine Tool Group have produced 5 sets (the 22m and 25m CNC lathes being developed are the world's first), which can represent the production capacity and level of super heavy-duty machine tools in China.
The first 16m vertical lathe has met the urgent needs of users in the manufacture of turbine-generating equipment for the Yantan Hydropower Station. Since then, it has made great achievements in production and use for eight years. It has been referred to by the users as "meritorious equipment", and the next few are power station equipment. The key national projects continue to play a role in the importance of the China Metal Processing Online copyright, which has been praised by users for guaranteeing the completion of the processing of the 550t giant giant turbine runner, which is the world's largest. The super-heavy machine tools that have been developed and put into use are the second-generation CNC floor-type boring and milling machines with diameters of 320 mm manufactured by Qi 2 (160-320 mm in diameter of the boring axis, more than 80 per year, unique in the world), and 8.2m in the north NC gantry span. (The span of 5m ultra-heavy gantry milling boring machine produces 2 sets per month, the world has no second case), Jiji 2, Qi 2nd, Qizhong Heavy CNC, Dalian Machine Tool Group, Ningjiang Machine Tool and Wuzhong Bridge, fixed beam gantry or workbench Mobile milling and boring machines, Wuhe Heavy-duty horizontal lathes with a workpiece weight of 300t and a diameter of 4.5m, Qiyi meets the huge crankshaft machine tools that are urgently required by the shipbuilding industry, CNC machine tools with a workpiece weight of 200t and a diameter of 2200mm. Only two or three of the above products are produced internationally. China's independent property rights have reached the world's advanced level and have become one of the few leading suppliers of super heavy machine tools. Many products are playing a role in shipbuilding, nuclear industry, astronomy, geological drilling, construction, power generation, metallurgy and chemical equipment manufacturing.
Vertical and horizontal machining centers, which combine the basic functions of floor boring machine, bed type milling machine and coordinate drilling boring machine, and have the characteristics of automatic tool change or automatic replacement of workpiece trays according to numerical control programs, are also the basic equipment for forming flexible production lines. It has become a type of processing equipment (more than 30% of the total demand for CNC cutting machine tools) with a large proportion of demand in the machinery manufacturing industry and is a hot commodity in the world's machine tool market. In recent years, China has developed rapidly. There are more than 40 enterprises in production. The general varieties have been produced in batches. A few manufacturers such as Beijing Machine Tool Works, Dalian Machine Tool Group, Ningjiang Machine Tool Group and Beijing Jingdiao have already entered the market with micron-level high-precision machining centers. .
CNC lathes are also one of the larger proportions in CNC machine tools. China has more than 50 enterprises, and Shenyang Machine Tool Group, Dalian Machine Tool Group, Baoji Machine Tool Plant, Yunji, Great Wall and other companies have all been mass-produced and the full range of products. The quality is stable and reliable, and some have crossed the threshold of several hundred units per month.
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