Chapter 657: 80,000-ton die forging press
“Mr. Tang, you really built this big thing!” A group of people came to the workshop next door and couldn’t help but sigh when they looked at the huge airplane.
Such a large aircraft has never been built in China! The entire workshop seemed to be unable to hold any more space.
In the development of aircraft, the first is a wooden prototype, which can be made in advance so that people can see what it looks like. If there are problems, they can be modified as soon as possible. Later, there are metal prototypes, such as the J-10 Research and development means directly building a metal prototype. Later, with paperless operations, prototypes were no longer needed, and you could just build the actual machine.
The big guy in front of me was still a little worried about building a real machine directly, so I built a metal prototype first.
"Of course, but we have to thank Mr. Qin for being able to produce the metal prototype so quickly." Chief Engineer Tang looked at Qin Tao and was very excited: "Back then, if it wasn't for Mr. Qin's complete set of information on the Il-76 Get them all for us, our plane will be at least five years late!"
Zhao Ling looked at Qin Tao, her eyes full of envy and pride. This is her husband, who has single-handedly promoted the development of the entire country's military industry. It's amazing!
This Il-76 is a strategic transport aircraft. My husband can get the information back. There is nothing in this world that he cannot do.
"I just got some drawings. You are the real heroes. You have worked hard in the past few years. Although this aircraft is very similar to the IL-76, it is better than the previous one. This aircraft will definitely It's more advanced than the Il-76," Qin Tao said.
"Yes, the overall size of our aircraft is similar to that of the Il-76, with a length of 47 meters, a wingspan of 25 meters, and a height of 15 meters. However, our maximum takeoff weight and cargo box size are both larger than that of the Il-76. , we designed a maximum take-off weight of 220 tons, the length of the cargo box is 20 meters, and the width and height have been increased to four meters."
The transverse interface of the Il-76 is smaller, 3.46 meters × 3.4 meters. Don’t look at the width and height of the cargo compartment of the Y-20 in front of you. It is only 0.56 meters and 0.6 meters higher than the Il-76. This is significant for a transport aircraft with limited space. major. More goods can be stuffed inside.
"Of course, the most important thing is its wing. We use the most advanced supercritical wing. The aerodynamic efficiency is much higher than that of the IL-76. When we have more advanced engines, our maximum The take-off weight can also be increased.”
Engine!
Zhao Ling has heard the word engine more than once. She sighed: "The engine has always been our weak point."
"Yes, aero engines are a reflection of a country's industrial strength. We are still very weak in this aspect." Qin Tao said, "So, do you want to develop aero engines?"
Zhao Ling smiled and shook her head, of course not. From then on, she stayed with her husband. There were deficiencies in all aspects in the country. Her own strength was small, but staying with her husband could play a greater role.
The husband is a capable man!
If she had realized this earlier, she would have followed Qin Tao long ago.
"It seems that the engine of our transport aircraft must be copied first and then developed by ourselves, so that it can not be controlled by others." Zhao Ling said.
"That's right." This time, Mr. Tang answered without Qin Tao's need to answer: "Currently, we plan to use Lao Maozi's D-30KP-2 engine for the prototype. Since our H-6 also plans to modify this engine, we We can import a large number of them, but if we don’t want to be controlled by others in the future, we will have to map and imitate this engine. At present, we have started to make preparations. After the imitation is completed, we can use our own engine.”
Both the H-6 and the Y-20 require Lao Maozi's D-30 engine, so it must be copied in China. This imitation is the turbofan-18. Because of the use of advanced materials, it is lighter in weight. , after slightly increasing the turbine front temperature, its thrust also increased from Lao Maozi's 12.5 tons to 13.2 tons.
However, the imitations are only for emergency purposes, and domestic research must be conducted on its own. The self-developed product is the Turbofan-20. Compared with the imitation products, its thrust has been increased to 14.3 tons, and can even be increased to 16.3 tons in the later period.
However, more important than thrust is its fuel consumption, which saves 30% of fuel consumption compared with the original engine, which increases its range from the original 7,800 kilometers to 10,000 kilometers. This effect is better.
However, this advanced engine cannot be counted on now, because it uses the core engine of the Taihang engine, which is the core engine of the turbofan X. As long as the turbofan X is not successful, this engine will not be produced.
Now it can only be used for mapping and imitation.
"Is this all-metal prototype just a shell, or does it have equipment already installed inside?" Qin Tao asked curiously. They did not go up to the early warning aircraft because it was installing internal equipment. So, where is this aircraft now? ?
“The internal equipment has been installed, you can go up and have a look.” Mr. Tang said.
So, a group of people stepped up the gangway and entered the cockpit.
“You used a glass cockpit?” Qin Tao looked at the monitors in front of the cockpit in surprise. The screens were not small. There were three in front of each pilot! Is this cabin too advanced?
Compared to Lao Maozi’s watch shop, this is simply beyond the times!
"That's right, what we want to design is a world-leading transport aircraft. Of course it needs an advanced glass cockpit. Mr. Qin, you can see above. There is also a diffraction HUD. Some important data are displayed directly on the HUD. "
In recent years, domestic avionics technology has developed rapidly. These things have appeared on fighter jets, and now they have also been transplanted to transport aircraft!
“This seat is so comfortable.” Wu Shengli was already lying on a seat in the back: “Who uses this chair?”
Generally, large aircraft have seats for two people in the front, namely the captain and the pilot. However, the other personnel are not fixed.
Now, Wu Shengli is sitting on the chair behind the center console. There are armrests on both sides and he can lean back. There are no operating devices on either side. This is probably not a mechanic's seat. On both sides of it, there are two small foldable seats.
"We use a two-person driving system, so under extreme circumstances, two people can fly. The seat in the middle is prepared for the third loader." Mr. Tang said: "The folding benches on both sides can also The seat is reserved for other crew members, and of course, during long-distance flights, the middle seat can be folded down into a bed to allow the crew to take turns to rest.”
This kind of large transport aircraft can fly for more than ten hours at a time, and the crew will be tired. Fortunately, there is no need to prepare diapers like a fighter pilot. There is a bathroom and a simple resting place in the nose of the aircraft.
"Two-person system? Can two people fly?" Wu Shengli was a little surprised. He knew that such a large aircraft requires at least three or four people. Lao Maozi's IL-76 is even a five-person system. Driving system: The captain is on the left, the engineer is in the middle and behind, and the co-pilot is on the right. Behind the three of them is a telephone operator. This guy has to operate several radios at the same time. Underneath several people, at the nose of the aircraft, Also sitting was a navigator.
Now, our transport aircraft can actually be used by two people?
"Yes, the two-person piloting system has begun to become popular in passenger aircraft. The fewer the crew members, the lower the operating cost." Qin Tao said: "In the future, all our large aircraft, including bombers, will fly with two One person is enough. The advantage of this is that it greatly reduces the training costs for pilots. If there is an accident, fewer people will die. By the way, after the modification of our H-6, the number of pilots needed is also Is it missing?"
Mr. Tang nodded: "Yes, our bomber can also be changed to a two-person piloting system."
The advanced cockpit in the front was impressive. After everyone saw this, they looked to the back and looked at the huge and spacious cargo warehouse.
"After the successful development of this kind of aircraft, our early warning aircraft, tankers, electronic warfare aircraft, etc. will all have a suitable platform. Now, our technicians must continue to refuel. I remember you promised that before the new millennium, I’m optimistic about you when it comes to achieving its first flight,” Qin Tao said.
“Mr. Qin, of course we remember our original promise, but we have encountered a problem recently.”
"What's the problem? As long as I can help, I will try my best." Qin Tao said.
"We need a large die forging press." Tang Changhong said: "Right now, this is just a physical prototype to give us an intuitive impression, so we use a fuselage frame made of ordinary materials. However, if we want If we want to officially build a prototype, we need equipment of this level.”
A die forging press is actually a hydraulic press. However, since it is called a forging press, its main function is to forge, that is, to heat the metal to a certain level and then place it inside for beating.
The strength of this beating depends on the size of the die forging press.
Across the world, 10,000-ton hydraulic presses are already very powerful. However, in the field of die forging presses, the 10,000-ton level is far from enough.
"In the field of die forging presses, 40,000 tons is the dividing line. Currently, the largest in the United States is 45,000 tons, and France is 65,000 tons. Lao Maozi is the most powerful, and their die forging press is 75,000 tons. Tang Changhong continued: "Because Lao Maozi's die forging press is the most powerful, we plan to go to Lao Maozi to process the necessary parts for the Airbus A380 passenger aircraft, the most advanced aircraft currently planned in Europe. The aircraft's fuselage frame, transmission Cross beams, engine frames, landing gear and other components can only be manufactured using this large-scale die forging press."
Zhao Ling felt nervous. Of course she knew that without advanced production equipment, there would be no advanced products. If the domestic large aircraft industry is to develop, it must have advanced mother aircraft.
“Our Y-10 was also a large aircraft back then. How could it be built without such equipment?” Wu Shengli asked.
"At that time, we did not have such a large die forging press in China, so they changed the processing technology of structural parts. They first used a small die forging press to forge out the segments, and then welded them together." Tang Changhong said: "Whether it is a machine The body frame, bulkheads, and landing gear are all made in this way. After all, we also have experience in this aspect."
There is indeed experience in China. The H-6 landing gear uses welding, and there are several parts that are not easy to weld. One is commonly known as the toilet and the other is commonly known as pants. It is necessary to use electrode arc welding, preheat to 250 degrees before welding, and use two welding tongs alternately, which is very complicated. However, this is nothing. What is even more awesome is repair welding. When cracks appear in the structural parts, it is too expensive to replace them with new ones, so repair welding is used. This method is quite awesome, even Lao Maozi No, it was invented by master craftsmen in China. The skill is better than the skill.
The landing gear and other parts of Lao Maozi's IL-76 transport aircraft were also welded. Therefore, some people who belittled the transport aircraft criticized the unreliability of the welding. There was no power to build it back then. It was just a matter of luck that it did not cause an accident. Similar is just a one-sided statement. However, the service life of welded parts is definitely inferior to that of forged parts.
“I’m a little surprised. Why can’t the American die forging press be as good as the French?” Qin Tao asked. He really didn’t know about this aspect. After all, it was not used in shipbuilding.
“Because the French die forging presses are also sold from Ermao, which is the same factory that produces die forging presses for Da Mao.” Tang Changhong continued.
In this basic industry, Lao Maozi is still very powerful. Between 1957 and 1961, Ermao's New Kramato Heavy Machinery Factory accepted the task of building two 75,000-ton die forging hydraulic presses for the Red Empire, which were installed in Kuibyshev Aluminum Plant and Verkhovsarda Titanium Plant.
These two die forging presses are national treasures in Da Mao’s industrial system. They are also very large in size: 34.7 meters in total height, 13.6 meters in length, and 13.3 meters in width. The foundation is 21.9 meters deep into the ground, and the total weight is 20,500 tons. The size of the workbench is 16 meters long and 3.5 meters wide. It uses a 12-cylinder 8-column upper transmission. The clear height of the mold space is 4.5 meters, and the slider stroke is 2000 mm.
You can tell by looking at the geographical location. After the Red Empire collapsed, they all stayed with Da Mao.
What about France? In 1953, the French company Aesop and Crcout-Loire built two 20,000-ton hydraulic die forging presses for manufacturing aviation aluminum alloy forgings. These were manufactured by themselves. In 1976, the French Auberduart Steel Company purchased a 65,000-ton die forging hydraulic press from the New Kramato Heavy Machinery Factory for the production of titanium alloy die forgings and aviation aluminum alloys. Die forgings.
This French machine is still produced by Lao Maozi!
As for the United States, of course they also have the ability to build large-scale die forging presses, but they do not have the power to do so. They make do with what they have on hand. Their 45,000-ton machine was built by the Mesta Heavy Machinery Factory in 1955. It was built at Alcoa's Cleveland, Ohio, plant and has not been built again in recent decades. When the Ford class was built, an old forging press from World War II was re-opened so that they would not spend huge sums of money to re-produce it. Capitalists always have profits in mind.
Now, after hearing Tang Changhong's introduction, Wu Shengli understood: "You mean, you want to ask Mr. Qin to come forward, go to Ermao's place, and order one at a cheap price?"
Only Qin Tao is the most suitable person for this kind of thing. After all, he is doing well with Lao Maozi and has good friends everywhere.
Tang Changhong was just about to nod, but saw Qin Tao shaking his head: "No, even if Ermao's company once produced many die forging presses, that was a thing of the past. Now, they don't have this kind of press at all." If we have no production capacity, we have to place orders, but we won’t be able to buy anything even if we spend money, and it will also delay the production of our large aircraft.”
“What should we do?”
"We make it ourselves." Qin Tao said: "What Ermao can make, we can also make. We can produce one ourselves from Ermao. Now, the world's largest die forging press is not the old Da Mao's 75,000 Ton? Then we will build an 80,000-ton one ourselves!"
Qin Tao didn't understand the other things, but he remembered that in the world before he came, there was the world's most advanced 80,000-ton die forging press in China, which seemed to be produced by Duhe Machinery, so let's build it ourselves!
Tang Changhong frowned: "Mr. Qin, we have asked before. Whether it is a first- or second-heavy machine, they said they have never built it before and have no technical reserves. They dare not take on this kind of production task."
“This is not difficult. I can go to Ermao’s place and bring over the drawings or the people who designed this kind of machine. Wouldn’t that be enough?” Qin Tao said.
We dare not put our production at Ermao, but it is still necessary to get their drawings.
The matter was finalized. That night, everyone had a meal at No. 603, with the leaders of each project accompanying them. Everyone felt more relaxed at the wine table, and talked about all kinds of lofty ideals.
“Within ten years, our Y20 will definitely become our important air transportation force! Our strategic transportation capabilities can be greatly supplemented!”
"This is not necessarily true. Our ground effect aircraft may be mature, and you may be eliminated if you carry twenty!"
“Our bombers still have to work hard to make a stealth bomber similar to the B-2. If your 603 institute doesn’t work hard, our Mingzhou Group will start to steal your business!”
Zhao Ling and Qin Tao had accompanied others to dinner before. Now, returning to such an occasion, she felt very warm.
She didn't speak, just listened. Suddenly, her phone rang. She looked at the text message on it, then looked at Xu Zhengyang, smiled and nodded: "I'll go, as Mr. Qin's secretary, I have to be on my own. "
Xu Zhengyang nodded.
Mr. Qin has to go abroad again. As a bodyguard, he must follow him personally. Then, Zhao Ling can only handle domestic matters. Moreover, this is also a side for Zhao Ling to show off her abilities.
Mr. Qin needs such a virtuous wife.
The next day, Qin Tao looked at his wife curiously: "Aren't you going to Er Mao's place with me?"
"Yes, there are some small things over there in the capital. I'll take care of them." Zhao Ling said with a smile.
“What little thing?”
"I'll tell you when I've finished handling it. If you haven't come back yet, I'll go to Ermao to find you."
Qin Tao nodded.
Capital, in front of a certain court.
"Our Mingzhou Group has obtained a large amount of evidence. This person with the online name Long Live Island Domestic Products has received a large amount of overseas funds, and then used these funds to discredit our Mingzhou Group. Today, we are going to present it to the court and the public." Show these evidences in front of us and expose this person’s true face! Return our Mingzhou Group’s innocence!” Zhao Ling was dressed in professional attire and looked very capable.
Facing the flashlights of reporters, her expression was very calm. After saying this, she stepped into the door of the court.
the other side.
The rumormonger, who was physically and mentally haggard, also walked in. During this time, the world around him had changed.
As a college student, he was respected by others, but now, he has become a street rat.
In the college, everyone looked at him differently. The counselor talked to him several times and asked him to bow his head and admit his mistakes and seek leniency. However, he still chose to believe in the Internet. People on the Internet gave him encouragement. He even said that he is a fighter and a warrior, so he must persevere!
With such a mood, Long Live the Island Products walked in.
"First of all, our Mingzhou Group will submit chat evidence. These evidences are very long. Please read them slowly. If the judges allow it, we will also publish these evidences on the website simultaneously. Here, we would like to thank Goose Factory , provided us with all the information.”
Chat evidence! Goose factory!
Chatting has become very fashionable on the Internet. This tool is from Goose Factory. Of course Goose Factory can copy all the chat evidence!
Hence, the evidence of how the island’s domestic product Long Live started complaining on the Internet, how it joined the chat group, and how it started spreading rumors on the Internet was all disclosed.
The rumormonger standing in the defendant's seat began to tremble. Suddenly, he thought of something: "Long live I am not an island product. I am not. You are slandering me!"
“It seems that we have to provide the second piece of evidence.”
So, the reporter’s video appeared at that time, and the rumormonger’s unruly appearance appeared on the screen. At the same time, the video also recorded his operation interface. That name is absolutely unmistakable.
“The names can overlap, but the unique ID number will not change. Moreover, we still have the video of your chat and forward it to the judge for trial.”
The face of the rumor maker completely changed.
“The evidence submitted by the Mingzhou Group is conclusive. The defendant deliberately made trouble and spread rumors about the Mingzhou Group on the Internet. He will be compensated one million yuan!”
“Compensation is compensation, it’s not like I can’t afford it.” Long live the island’s domestic products remained calm.
"Wait a minute, we have to submit another piece of evidence. This is a typical crime colluded by foreign forces. The purpose is to spread rumors and even subvert us. The defendant's account has received overseas remittances. We believe that this kind of The remittance is the defendant’s illegal income and the court is requested to confiscate it.”
“No, you can’t do that.” Long live the island country product was dumbfounded.
“The evidence is conclusive, this is illegal income, it will be confiscated!”
“The defendant Pan Han, if he cannot pay compensation, he needs to be sentenced to ten years in prison!”
(End of this chapter)