On the 5th, Yuchai signed a strategic cooperation agreement with the Qingdao Zhongke Yinghua Technology Research Institute under the Changchun Institute of Applied Chemistry at the Chinese Academy of Sciences. On the 8th, a team of doctors from Shanghai Jiaotong University, Huazhong University of Science and Technology, South China University of Technology and other domestic research institutes came to Yuchai to direct Yuchai's scientific research work. This year, the Yulin City Government has also signed a strategic cooperation agreement with the Chinese Academy of Sciences Institute to promote the scientific research of Yuchai and other enterprises. Many people may ask why Yuchai paid so much attention to communicating with scientific research institutes such as the Chinese Academy of Sciences. This may still have to start with aero engines. As we all know, the launch of aviation turbofans has been hailed as the top pearl of industrial civilization. A turbofan engine for a supersonic fighter is generally only about 1 meter in diameter and about 4 meters in length. Take the Russian turbofan engine AL-31 as an example. Such a small cylindrical object is to be stuffed into a 4-stage fan, a 9-stage compressor, a 2-stage turbine, a converging-divergent nozzle, a combustion chamber, and an afterburner. Room, but also arranged in the cooling air channel, installed around the fuel control system. Therefore, designing and manufacturing a high-performance turbofan engine can be described as "doing a ballast in a screw shell", which is extremely difficult. In the world, only the British Luo Luo (master of the MTU cooperation with Yuchai), Pratt & Whitney and GM of the United States have mastered the first-class horizontal turbofan engine manufacturing technology. In addition, Pratt & Whitney's fourth-generation fighter aircraft developed advanced dual-rotor booster turbofan engine F-119 turbine using a third-generation single crystal hollow blade. What is a single crystal hollow blade, it is difficult to describe this, can only say that a blade area of ​​only a few square centimeters has a large number of freeform surfaces, a complex internal cavity (for intake cooling), but also control the continuous production of alloy crystals Consistent, this requires an extremely sophisticated precision casting process. Therefore, in general, the manufacture of a high-quality aeroengine requires the advancement of technologies such as mechanical design, material application, and casting and assembly. Then again, from the point of view of automotive engine manufacturing technology, there is also a need for comprehensive advancement of technology. Especially in the sixth stage of the country, how to manufacture highly reliable, low fuel consumption, high-performance engines is a problem that internal combustion engine manufacturers must face. Now, the production of engines requires stronger technical support. Yuchai is a company with strong technical innovation vitality, and has always taken the core technology as its own responsibility. Starting from domestic ECUs, Yuchai enhances its core competitiveness in continuous technological innovation. 3D Printing technology, digital factories, and application of new technologies ... Each application of new technologies and processes will lay the foundation for Yuchai to build high-end, high-quality engines in the future, and Yuchai will win the competition in the future to add weight. Now Yuchai has begun to unite more partners to challenge new technologies. These new technologies will be gradually applied to Yuchai's products. I believe this is a boon for every Yuchai user. CNC Rapid Prototype is the integration of mechanical engineering, computer technology, numerical control technology, and material science. It can quickly and automatically materialize a design with a mathematical geometric model into a prototype or part with a certain structure and function.
(3) From the perspective of the market and users, it can reduce risks and change products in real time and at low cost according to market demand.
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Academician Zhu Yingfu (former middle) waits to understand Yuchai Engine
And CNC Rapid Prototype has the following advantages:
(1) From the perspective of design and engineering, more complex parts can be designed.
(2) From the perspective of manufacturing, design and processing can be reduced
Challenge the new field of technology Yuchai talks with the subordinate institutions of the Chinese Academy of Sciences
In recent days, China’s scientific and technological community has gathered Yuchai . From December 1 to December 2, 2016, the workshop on equipment manufacturing and key components of green manufacturing and intelligent forming technology was held in Yuchai in 2016. Famous Chinese mechanics expert, Professor Liu Renhuai of Jinan University, chief designer of aircraft carrier Liaoning, and Zhu Yingfu, researcher of the No.71 Institute of China Shipbuilding Industry Corporation, both came to Yuchai to make reports.