It is also with the machine tool research institute, they can design and produce the most high-end CNC machine tools, there are a large number of skilled craftsmen under the hands, Huaxing group company is able to design the fuel cell and motor required high-precision parts to produce, to achieve mass production, and the quality of the product is reliable.

Yang Jie shook hands with Yu Feng and said a few cold words, and then shook hands with these technical backbones of the R&D center, the person in charge of the research center is He Yulong, who was transferred from the administrative department of Huaxing Center.

"Yang Shao, this is Chief Engineer Hu Heping, and he is the top expert in rotor system skills in China. ”

He Yulong said to Yang Jie Xianrong to the middle-aged man with gray temples in front of him.

"Ah, Chief Engineer Hu, hello, hello!" Yang Jie stepped forward with a smile and held Hu Heping's hand and said.

"I have long heard that Yang Shao is a genius, and today I finally met you. Hu Heping said with a smile.

"Haha, these are all false names given to me by people outside, and they can't be true. Yang Jie laughed.

He Yulong then introduced several technical backbones transferred from the Changhe Aviation Group Company, all of whom were skilled staff with rich experience.

The Huaxing Group Company also dispatched more than 20 technical staff, who came from the electrochemical laboratory and the machine tool research institute.

Yang Jie shook hands with these people, and then walked into the R&D center building accompanied by everyone.

"Yang Shao, this is the elastic bearing we have just produced, and it is also the most important component of the ball flexible rotor. Hu Heping handed Yang Jie a strange-looking light blue part.

Yang Jie took a closer look and saw that there was a circle of dark colored parts in the middle of the part, and he asked, "What is this dark colored part?"

"It's a metal-rubber stack, and it's the most difficult thing to make, and we've tried it many times before, but the results are not very good. Hu Heping said.

Yang Jie also asked Hu and others a lot of details about this metal rubber stack, and he only understood a little bit about the metal rubber stack.

The ball flexible rotor technique was first used by the French in the mid-80s on the rotor and tail rotor of the Super Puma helicopter, and then used in other types of helicopters, such as the EH101 developed by the United Kingdom and Italy, and the AB139 jointly developed by Bell in Italy and the United States.

After the introduction of the Super Hornet helicopter for imitation, the country proposed to independently develop a large ball flexible rotor, and Hu Heping undertook this important task.

Hu Heping led the technical team to develop and trial production for more than three years, and the progress has not been large, which is important because of the formula debugging of anti-fatigue rubber and supporting adhesives, the performance test of elastic bearings and the accuracy of molds.

The metal-rubber lamination is formed by the bonding composite of multi-layer spherical metal spacer and rubber material, the bonding area is very large, under the action of dynamic stress, the bonding layer is subjected to great shear stress, and the performance and reliability of bonding will directly determine the performance and reliability of the elastic bearing, and it involves many aspects, the skill requirements in all aspects are very high, the skill is difficult, and the influencing factors are complex.

Since the establishment of the R&D center, Huaxing Group Company has also supplied high-precision processing equipment and advanced testing equipment and testing equipment, and these equipment alone have invested tens of millions.

It is with advanced equipment that the efficiency and progress of research and development have improved very quickly, and now Yang Jie has the second trial production of the product in his hand.

"Although the prototype product has not yet started testing, we have solved the previous technical difficulties, and we are very confident in the results of this test. Hu Heping said with a conceited face.

"Yang Shao, through more than a year of contact, I have created that your company really attaches great importance to efficiency in research and development, is very proficient in the use of equipment, and does not lag behind in hardware and software with the strength of foreign high-tech companies, which is really admirable. ”

Yu Feng said.

"If you want to do a good job, you must first sharpen your tools, and our company is still very willing to invest in hardware. Yang Jie said with a smile.

"Yang Shao, what surprised me the most is that you have reached such a high level of skill in fuel cell products, and you are also world-class in motors and reducers," Hu Heping said with a sigh. The maximum take-off weight of the helicopter is not enough to rely on the progress of the engine, and it is also very important to improve the efficiency of the final reducer and transmission system. After cooperating with you, I created that your technical strength in the reducer is not worse than the French at all, and you are even better than the French in terms of motor and motor control system, which is really eye-opening. ”

Yu Feng said with a smile: "Chief Engineer Hu rarely praises people, and he can say that he is really extremely convinced of the strength of Yang Shao's company." ”

"This is also a big advantage for me, I dug from Russia at the beginning of these technical experts in the motor, control system, high-precision bearings and other aspects are world-class, these years we have invested a lot in these, if you don't come up with some results are shameless. ”

The year before last, Huaxing Group Company developed a motor with a power of one megawatt for the 99 main battle tank, and has accumulated a lot of technical experience in high-power motors and control systems.

Of course, to make such a high-power motor, Ximenkang company also undertook the research and development task of switching power module, the inverter adopts a switch based on silicon carbide, which can work at a higher frequency, and can reduce losses and improve efficiency.

These things that involve the whole body naturally need the cooperation of many companies, but now Huaxing Group Company itself has tens of thousands of engineers, plus many partners, on the basis of which more than 100,000 skilled employees can be mobilized to serve themselves, which is a very terrible force.

"Yang Shao, the fuel cell technology and motor technology you control really make my country's helicopter power system reach a very high level, with this foundation, we Changhe Aviation Group Company will have a very solid technical foundation for building large helicopters in the future. ”

Yu Feng said excitedly.

Aviation development, power first, the successful development of an engine model, can promote the development of a number of aircraft models, before the Changhe Aviation Group Company is stuck in the turboshaft engine, transmission system, transmission, rotor system, can only produce 9 tons of small helicopters, more than 9 tons of medium and large helicopters can only be imported.

The terrain of Huaxia is the most complex in the world, especially the roof of the world, due to the thin air in the plateau area, the performance of the helicopter engine made in China is not enough, and it is not going to be at all, in order to meet the military's request that the Black Hawk can perform combat missions on the Qingfu Plateau, the military emphasizes that the performance of the helicopter should be able to reach the ceiling of 6000 meters, the load of 600 kilograms, and the harsh requirements of the range of 600 kilometers, so the Black Hawk exported to China adopts an improved design, and the power is greater than the power of the Black Hawk engine of the United States Army Aviation at that time10The turboshaft engine and the Black Hawk have improved the rotor brake and final reducer, which meets the requirements of China's army aviation for plateau helicopters.

Of course, the military top brass is looking forward to seeing that the Changhe Aviation Group Company's imitation of the Zhiba can also go to the plateau, but if you want to ensure that the helicopter has enough performance at the plateau or some other extreme conditions, a strong engine is indispensable, because at an altitude of more than 3,000 meters, the performance of the turboshaft engine used in the helicopter will drop by 40% After reaching the ceiling of 6,000 meters, it can only keep the take-off weight below 9 tons, deducting 7.6 tons of empty weight, leaving only 1.4 tons of fuel and load, in this case, it is simply not up to the design index of 600 kg and 600 kilometers of the Black Hawk.

In particular, the reliability of domestic helicopters is not high, and this helicopter cannot go to the plateau to perform tasks for a long time.

Reborn University Tyrant Latest Chapter 464 Ball Flexible Rotor Technology!Website: