On May 5,
this year, the central committee of the communist party of China promulgated by the state council, warm congratulations on the independent research and development of the C919 large passenger aircraft first flight successfully.C919 large passenger aircraft is our country for the first time according to the international level of the 150 – seat trunkliner airworthiness standards, the aircraft’s first flight success marks a significant breakthrough in China’s large aircraft project, is the important milestone in the development of civil aviation industry in China.
China independently developed the first C919 large passenger plane since comac manufacturing company rolled out in Shanghai, jiangsu hengli machine tool co., LTD. (hereinafter referred to as the constant force machine tool company) for this big plane make grinders vertical tail fin combination machine tools of information missing.”Made in China” on the hall of the core equipment of domestic large aircraft to jedaiah, manufacture of the equipment become the high-end intelligent milling equipment model.
“national treasure” identified
recently, by China machinery industry federation and the association of machinery industry in jiangsu province “china-made large aircraft vertical tail finish machining technology and equipment assessments” hall was held in Beijing xiyuan hotel bonanza.From our country’s aerospace, national defense, and major equipment manufacturing industry and scientific research institutes of the experts and scholars of professional appraisal committee, carries on the technology and equipment of the new product identification.Expert committee through extensive exchanges, serious review, strictly qualitative, confirm the combination milling equipment to implement a number of independent innovation, breakthroughs in many advanced technology, advanced process equipment, stable performance, the whole machine performance reached the international advanced level.
c919 large passenger aircraft was developed by China new generation jet trunkliner.Its successful logoff, marking China has entered the world one of the few countries with large aircraft research and development manufacturing ability.Our country has become after the Boeing 737 and airbus A320, member states in the field of global 70 t large aircraft manufacturing.It will completely changing the passive situation in China’s civil aviation aircraft entirely dependent on imports, to promote the development of China’s aviation industry and equipment manufacturing industry has the milestone significance.
the appraisal committee by the China machine tool industry association, tsinghua university, zhejiang university, nanjing university of aeronautics and astronautics, Beijing institute of mechanical and electrical technology, Beijing second machine tool, citic heavy industries, arms industry head office remy machinery top scientific research institutions and experts and scholars participate in major equipment manufacturing industry.Presided over
appraisal committee, member of Chinese academy of engineering, director of the jian-rong tan assessments, constant force machine tool company to provide large aircraft core components of combination machine tools for special purpose, is in the “twelfth five-year” and “much starker choices-and graver consequences-in”, China’s implementation of the “made in China 2025” and “Internet +” strategic target the initial phase of one of the major scientific and technological achievements.Will the assessments as both a summary communication high-end technology and equipment of judges, and open into a perfect power jack advance will the technology and equipment.Jian-rong tan pointed out that the expert appraisal committee should not only luck, encourage the development of;And nagging, seeking to improve, and strive to conquer affect soft rib of the high-end technology and equipment in our country, promote the domestic equipment technology to the high-end transformation.Constant force machine tool company chairman said Mid-Autumn, domestic equipment entering the threshold of the large aircraft manufacturing, consolidate and develop the course of this advanced technology will be more difficult.Constant force machine tool company will maintain and develop the first sets of large aircraft manufacturing innovation spirit and rigorous style of work, to further expand machine tool development space, to research and development of national economy in all walks of life more high-end equipment to make unremitting efforts.
the international game
challenge large aircraft development, is our country big aircraft manufacturing nearly 70 years since the founding of the dream.Expert introduction, C919 large passenger aircraft start planning construction since 2008, during the seven years of development, staff involved in the design and manufacture and supporting services related to domestic 22 provinces and cities, more than 200 enterprises in more than 20 people, has more than 100 difficult core technology research.
aircraft vertical tail is aircraft operation center of gravity, the core of the balance of the body running features, due to its material properties, processing and manufacturing precision demand is high, the combination of the parts processing equipment have been by a few developed countries such as Japan, the United States, Germany dominated.C919 large aircraft of the vertical tail fin processing equipment, originally adopted complete sets of equipment of western developed countries, because of foreign technology blockade, expensive, Shanghai aircraft manufacturing company decided to implement localization of manufacturing, professional entrust jiangsu hengli company independent research and development.Constant force machine tool company for the C919 aircraft tailored airplane tail fin finishing modular machine tool, is in large aircraft design and manufacture of the machine frame coordinate system.The equipment in the abnormity of large titanium alloy material, surface, thin wall technology processing, to the appearance of key parts, positioning and clamping process of software development has a number of core technology.Condensed the equipment manufacturing with the electronic control technology in China in the field of multidisciplinary technology.
constant force Xu Xingwang chief engineer of machine tool company to introduce, they take the plane wing combination machine tool manufacturing unit, with the Beijing university of aeronautics and astronautics research institutions such as production, study and research cooperation, lasted for two years, to conquer the dozens of technical challenges, not only the core equipment of international advanced level, equipment total cost is only about one over ten of the similar foreign equipment.The core level of technological innovation for many breakthroughs.
c919 large passenger aircraft vertical tail fin processing equipment of the main power, adopts horizontal three coordinates processing unit.On the vertical feed shaft structure with double servo drive, the design concept of double grating ruler monitoring, effectively improve the motion precision of the processing unit and the speed of dynamic response.
for large aircraft tail cutting titanium alloy material processing is difficult, high heat of special technical requirements, constant force machine tool company using MQL trace cooling and lubrication oil and gas system of cutting tool, not only effectively avoid the pollution of cutting fluid for molding parts, at the same time guarantee the machining efficiency and precision of the high speed cutting condition requirements.
large aircraft vertical tail for special flexible type thin walled cavity titanium alloy parts, constant force machine tool companies adopt a multipoint floating support design, the supporting structure, design of locking mechanism have done many difficult research, master the large thin-walled aviation titanium alloy parts clamping technology, developed a servo can monitor the flexible clamping device, effectively control the dynamic changes of the clamping force, to ensure the aircraft high clamping reliability of large parts assembly process.
jumbo airbus to heavy vertical tail is a typical special-shaped parts, high reliability and position large parts, must be precise attitude adjustment.This project adopts the “321” six degrees of freedom intelligent adjustment device, with a laser tracker acquisition wing posture raw data, analyzing data modeling based on whole body coordinates, import equipment numerical control module, will adjust position data and application of machine tool control software is embedded, the laser measurement technology, servo control technology, software programming technology, on-line inspection technology, multidisciplinary technologies such as research, in coordination with the diversification of the simulation software realize the fusion of modular machine tool + Internet technology developed equipment seamless docking aircraft parts from the fuselage of multi-functional intelligent core technology and equipment.
, according to the technical data C919 aircraft use of international advanced technology, large-scale using the third generation of lithium aluminium alloy materials and supercritical wing of titanium alloy.Compared with the international modern large aircraft same type, 7% reduction in weight, the flight resistance decreased by 3%, the machine manufacture technology has broken the Boeing, airbus and other international advanced technology monopoly.Based on its unprecedented international manufacturing technology, the current global 23 buyers have to carry out the order for 570 sorties C919, close to a quarter of the total domestic airbus planes in 2014.According to the Chinese on the fly, forecast the future 20 years, China will add 2000 C919 type large airbus, the size of the market for one trillion yuan.In front of the large aircraft development prospects are so tempting, constant force machine tool company chairman said Mid-Autumn will further increase investment, the implementation of production, study and research, with combination of five-axis linkage intelligent high-end machine tools such as the further development, and efforts to aviation manufacturing.
constant force machine tool company is the original machinery industry ministry combination machine tools and common components designated manufacturing unit, nearly 60 years engaged in machine tool manufacture about 40 years.Now the high-tech manufacturing enterprises in jiangsu province, jiangsu province, two fusion model enterprise.Leading products combination milling machine, CNC boring and milling machine, general machine tools, precision parts, CNC processing unit and the flexible processing production line, widely used in automobiles, aircraft, engineering machinery, agricultural machinery, coal mine machinery and other major areas of national economy.Products has entered including faw, general motors, ford, BMW, mercedes-benz, enter the zoomlion, sany heavy industry, xugong group, China yituo, dongfang and so on hundreds of clients, large and medium-sized enterprises at home and abroad.
Mid-Autumn to introduce China’s industrial press, our country “much starker choices-and graver consequences-in planning advice” put forward in the development and the quality of high-speed growth, to promote China’s equipment into the high-end level has important strategic significance.Constant force machine in domestic large aircraft manufacturing, just start stage into the high-end equipment manufacturing, they are going to take this opportunity to further consolidate and develop the large aircraft core part of flexible manufacturing technology research, according to market demand, developed more replace imported high-end intelligent technology and equipment, to speed up the implementation of the strategy of “made in China 2025”, promote our country from the manufacturer to make strong, bear responsibility.