Large aircraft, car production lines, heavy-duty marine diesel engines, processing and manufacturing of key equipment in all walks of life must rely on high-end CNC machine tools and basic manufacturing equipment. These industries need to improve the performance and quality of products, reduce costs, shorten production cycles, etc., and are subject to the level of “working machine†of high-end CNC machine tools and basic manufacturing equipment. High-end CNC machine tools and basic manufacturing equipment are the cornerstones of manufacturing technology and industrial modernization. Its performance, quality and possession have become an important symbol for measuring the industrialization level and comprehensive national strength of a country. The world's equipment manufacturing powers all attach importance to controlling the high-end manufacturing equipment, the high point of the industry, attaching importance to high-tech optimization and upgrading of traditional equipment manufacturing, supporting high-end manufacturing, and maintaining industrial advantages. This also proves from one side that vigorously develop high-end CNC machine tools and basic manufacturing. Equipment has a global and strategic significance. During the "Eleventh Five-Year Plan" period, as the most important project of China's 16 major science and technology projects and the manufacturing industry, the "high-end CNC machine tools and basic manufacturing equipment" major projects have lived up to expectations and achieved fruitful results. Since the "11th Five-Year Plan", the numerical control rate and domestic market share of China's domestic machine tools have increased significantly. Among them, the numerical control rate of domestic machine tools increased from 35.5% at the end of the "Tenth Five-Year Plan" to 51.9% at the end of the "Eleventh Five-Year Plan", and the domestic market share increased from 26.4% at the end of the "Tenth Five-Year Plan" to the end of the "Eleventh Five-Year Plan". 56.7%. It is particularly worth mentioning that the special implementation has played an active role in coping with the impact of the international financial crisis and enhanced the innovation and competitiveness of key key enterprises. At the end of the “Eleventh Five-Year Planâ€, the sum of the top 10 sales revenues of China's machine tool enterprises has accounted for about 25% of the sales revenue of the machine tool industry. Constructing the cooperation mechanism of “production, study and research†Large-scale CNC forming stamping equipment is widely used in the automotive, aerospace, aerospace, home appliances and other industries, especially in the automotive industry and aerospace manufacturing. In order to better meet the needs of large-volume and multi-variety production of automobiles, in recent years, the world-famous forming stamping equipment manufacturers are committed to the research of high-speed and flexible products. The world's famous stamping equipment manufacturers have launched high-speed The new technology of flexible and continuously operating stamping production line can reduce production support time and increase the number of presses by automation, thus achieving a 50% increase in production efficiency. To this end, the "high-end CNC machine tools and basic manufacturing equipment" major project in 2009 to establish the "large-scale fast and efficient CNC automatic stamping production line" project, undertaken by Jinan Second Machine Tool Group Co., Ltd. For the machine tool industry with scattered technical capabilities, only “cooperation†can do big things. At the beginning of the special establishment, they highlighted the cooperation mechanism of “production, study and research†with enterprises as the main body, led by Jinan No. 2 Machine Tool, combined with Jinan Foundry and Forging Machinery Research Institute, Chery Automobile Co., Ltd., Shanghai GM Dongyue Automobile Co., Ltd., etc. The unit has formed an alliance of “production, study and researchâ€, giving full play to their respective advantages and jointly completing key technologies and processes. At present, the research on the subject is progressing smoothly. All the hardware equipment installation work has been completed at the end user site (Shanghai General Yantai Dongyue Automobile and Chery Automobile Co., Ltd.), and the user has passed the long-term reliability operation test, and the performance is stable and meets the target requirements. Relying on this topic, we have now produced 21 rapid stamping production lines. The products are applied to automobile manufacturing groups such as FAW, Second Automobile, SAIC, Chery and Great Wall, which provide basic support for batch, quality and enlargement of China's auto industry. . The cooperation mechanism of “production, study and research†not only stimulated the enthusiasm of manufacturing enterprises, universities, research institutes and user units to participate in special research, promoted close cooperation between upstream and downstream of the industrial chain, and more importantly, cultivated a batch of high through this mechanism. Hierarchical and innovative talents, especially complex innovative talents and highly skilled personnel who are good at managing and understanding technology, provide talent protection for the realization of CNC machine tools and basic manufacturing equipment industry from large to strong. According to Wang Fuchang, deputy director of the Equipment Industry Department of the Ministry of Industry and Information Technology, the Ministry of Industry and Information Technology worked closely with various departments to speed up the implementation of special projects. During the “Eleventh Five-Year Plan†period, more than 200 projects were organized. Invested more than 9 billion yuan. More than 50% of the projects led by enterprises have formulated relevant corporate standards. Significant achievements in major projects In the “Eleventh Five-Year†National Science and Technology Achievement Exhibition, the exhibition projects of “high-end CNC machine tools and basic manufacturing equipment†were outstanding, and the industrial elements were particularly outstanding and exciting. The 19 exhibition projects involve CNC machine tool mainframes, basic manufacturing equipment, CNC systems, functional components and CNC tools, representing the overall progress of China's CNC machine tools and basic manufacturing equipment industry during the 11th Five-Year Plan period. “The only CNC machine tool on the achievement exhibition is equipped with the Huazhong 8-type high-grade CNC system developed by our company.†Chen Jihong, the chairman of Wuhan Huazhong Numerical Control Co., Ltd., told the reporter that during the “Eleventh Five-Year Plan†period, Huazhong CNC began research and development. Innovative CNC technology, especially in 2010, with the support of major national projects, this year's technological progress is equivalent to the past 10 years. Academician Lu Bingheng, dean of the School of Mechanical Engineering of Xi'an Jiaotong University and a full-time technical person in charge of the "high-end CNC machine tools and basic manufacturing equipment", from a technical point of view, the "eleventh five-year" period "high-end CNC machine tools and basic manufacturing equipment" major special project The results achieved are mainly reflected in the following aspects:
——The breakthrough in the development of major equipment has reached the international advanced level. Focusing on the urgent needs of key areas, we have specially developed a number of key technologies such as large-span and super-heavy machine tool design and manufacturing technology, super large vertical and horizontal rotary table design and manufacturing technology, ultra-wide and ultra-long workpiece processing technology. CNC heavy-duty bridge gantry five-axis linkage turning and milling machine tool, large-scale fast and efficient CNC automatic stamping production line and other international advanced manufacturing equipment.
—— The performance of medium and high-end CNC machine tools has been effectively improved, initially meeting domestic demand. The company specializes in the development of high-speed precision machining centers with large market demand and large import volume, as well as CNC lathes and five-axis linkage processing machines. It has carried out key technical researches such as reliability and digital design, overall performance evaluation and dynamic compensation. The overall technical level and market share of medium and high-end CNC machine tools.
——The research and development of numerical control system, functional components and tools are progressing smoothly, and the common technical achievements are beginning to appear. The development and development of numerical control system has made obvious breakthroughs in key technologies. China has successfully developed a numerical control system for five-axis linkage processing machine tools with international technical level; ball screw and linear guide, CNC rotary table, double The functional components such as the pendulum CNC universal milling head have also achieved key technological breakthroughs. At the same time, a number of precision, complex and carbide tools that are urgently needed in the four major fields have been developed and applied in key enterprises, partially replacing imports. Academician Lu Bingheng said that based on the achievements made during the "11th Five-Year Plan" period, the special project during the "Twelfth Five-Year Plan" period will focus on the development of four major fields such as aerospace, automobiles, ships, power generation equipment and other high-speed projects that are urgently needed for other major science and technology projects. Precision, heavy-duty equipment, strengthening the research and development of CNC systems and key functional components, from the focus on the development of single-machine to the provision of system solutions, from the resolution of product performance indicators to master the core technology. By the end of the "Twelfth Five-Year Plan", China will realize the matching and coordinated development of numerical control systems, functional components, tools and other mainframes, master the core technologies of a batch of mainframes, numerical control systems and key functional components, and form a major, precise and complete set of equipment. Independent development capability, the overall technical level has entered the international advanced ranks.
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