(I'm really sorry, there are a little updates these days, last night with Tianhai Xiangyun, Huang Shiren, Wu Anjun a few guys were outside the waves, today Tianhai Xiangyun took me to his friend's house for tea...... There are many things in the past few days, and there are few updates, I hope you understand, it will be fine after these few days! ）

The trial production was successful, considering the problem of mold change, this time 100 sets of main landing gear will be produced continuously, and the main girder of the fighter with greater pressure demand will be replaced, so the production is still continuing, and there is no need for Liu Yijiu and others to continue to stay here to watch the excitement.

Qi Hao once again proposed that the chief would give him Mobao, and Qi Hao directly wrote down Liu Yijiu's words and gave them to Erzhong, but Liu Yijiu didn't care at all.

Liu Yijiu didn't plan to participate in the celebration banquet prepared by the second one, but in the end, Qi Hao and the others spoke, so he could only stay here for a while.

"Director Jiang, now that the 70,000-ton press project has been completed, I don't know what your plans are next?" Liu Yijiu sat next to Jiang Wen at the noon celebration banquet, and asked Jiang Wen when the other leaders pushed the cups and changed the lamps.

Jiang Wen was stunned for a moment, and immediately looked at Zheng Hao not far away, who was toasting Qi Hao and the others, and didn't look at him at all.

For a while, Jiang Wen didn't know whether Liu Yijiu was asking about their plans for technical research projects or production layout.

Immediately, he didn't bother to waste brain cells, and asked Liu Yijiu directly, "Director Liu, we hope to expand the cooperation with the Ninth Academy in the next step......"

"Cooperation is possible, but at the moment only 70,000 tons of die forging machine is not enough. There are too many core parts of heavy equipment in our country that need this kind of equipment for forging. Liu Yijiu said lightly.

Jiang Wen didn't understand what he meant at all.

"We plan to build another 70,000-ton press!" Jiang Wen looked at Liu Yijiu's expression without the slightest change, "Or challenge 80,000 tons." ”

"Naturally, there is no problem in manufacturing another one. 70,000 tons of large-scale die forging machine, at present, is enough to use, at least 20 years is enough, there is a lot of business that needs to use large forging presses in China, and there will be no ......business if two or three more are manufactured.

There are more than 40,000 tons of large forging presses in the world, and the number is not too many, many of them are concentrated in the hands of the Soviet Union and the United States, and there are few in Europe.

At the beginning, there was only one 80,000-ton machine, and many production plans were even scheduled five years later, and when they were manufactured, new models came out, and the original design was backward and wasted.

Eventually, production had to be expanded.

The problem is that the republic needs more than just a large die forging machine.

"I mean, I don't know if you're interested in freeforging equipment." Fortunately, Liu Yijiu stopped selling Guanzi.

It is impossible for the Ninth Academy to invest energy in these basic equipment, and professional design requires the efforts of units in these professional fields.

Otherwise, when the time comes, the Ninth Courtyard will really become a monster, and once the Ninth Courtyard has problems, the entire national industrial system and technical system will have to be affected by Yanzhòng.

"Do you mean more than 10,000 tons of open forging hydraulic presses?" Jiang Wen's eyes widened suddenly.

"Die forging machines are very useful, but they are only used for mass production. At present, the largest free forging hydraulic press in our country is only 6,000 tons, which is not enough for many of our products. So, we need more than 10,000 tons, or even 20,000 tons of open forging! ”

Liu Yijiu's face was a little complicated.

Open forging is different from die forging, die forging because it requires molds, and these molds are large, difficult to process, high manufacturing cost, only suitable for large quantities of structural parts manufacturing.

Whether it is military products such as fighter planes or civilian products such as nuclear power, they can basically be regarded as relatively large batches.

However, for some single-piece small-batch production products, especially the models used for sample trial production, the shape of the part blank is controlled and operated by manual control, and can be arbitrarily deformed. It can eliminate defects such as shrinkage porosity, shrinkage porosity, and porosity in the material, so that the blank has higher mechanical properties. At the same time, compared with casting, it also has the advantages of lower cost and higher versatility.

Naturally, this is not without disadvantages, the machining allowance of the blank is large, and the requirements for the operator are very high.

"There is a 61111 project over there, isn't it a 12,000-ton free forging machine?" Just hearing Liu Yijiu's words, Jiang Sen asked in some surprise.

For these things, he spent a lot of effort to make up for the lessons, so as not to be ridiculed by Liu Yijiu again.

"Their 12,000-ton open forging has just started, right? And they don't have enough funds, and they don't have the power to mobilize the whole country like we do in die forging, Director Jiang, how long do you think they will have to do it? Liu Yijiu asked Jiang Sen very calmly.

In China, there is not much experience in large forging machines.

And it's directly doubled.

10,000 tons of hydraulic free forging, and tens of thousands of tons of die forging machines, people who don't understand think that tens of thousands of tons of die forging is the most complicated.

In fact, I don't know that the 10,000-ton free forging machine is more complex than the tens of thousands of tons.

At present, the world can have more than 10,000 tons of free forging machinery design and production capacity is only the Soviet Union and the United States, Western countries are still derived from the United States, but just exceeded 10,000 tons.

To engage in nuclear submarines, warships, and even large military transport aircraft, the requirements for free forging equipment of more than 10,000 tons are higher, especially in nuclear power and large parts blanks of steam turbines.

"What are you talking about hiding here instead of exchanging feelings with the other personnel?" At this time, it happened that Qi Hao also came over.

"Let's talk about the free forging machine! Xiao Liu wanted a 20,000-ton large free forging machine...... "Jiang Sen directly put forward Liu Yijiu's highest requirements.

Qi Hao was stunned, "We haven't even broken through the 10,000-ton free forging!" ”

Not to mention 10,000 tons, 8,000 tons have not broken through.

"Before this, didn't we even have the technology to build a 40,000-ton die forging machine?" Liu Yijiu still said calmly, "Our domestic technological strength is actually better than we imagined, but the scale is not as good as that of the Soviet Union and the United States." The only problem is that we don't have these technical capabilities pooled......"

Qi Hao was stunned for a moment, thought about it, and felt that Liu Yijiu's words were very reasonable.

This also aroused their interest, and it is a great thing for the entire Chinese industry and even China's industry to continue to break through now.

Several people did not continue to waste time on the celebration banquet, but went to the double conference room.

Jiang Wen also called the relevant technical personnel to the technical conference room, and according to this rhythm, they will continue to tackle key problems in the project.

If it can really succeed, at that time, the whole Erzhong will be China's first heavy machinery and equipment design and manufacturing unit.

"The purpose and performance of open forging are not necessary to explain here. Professional forging equipment and forgings you know better than anyone else, but also know that some large heavy parts, small free forging machinery is not enough, I will ask you a word, do you have the courage to directly challenge 15,000 tons, 20,000 tons of free forging from 6,000 tons of technology, that is the next purpose. At present, the world's largest free forging in the entire world, that is, the 14,000-ton free forging of the Soviet Union, may soon appear 15,000 tons of ......," Liu Yijiu asked directly to the technicians of the second group after entering the conference room.

On the second side, managers are very interested in this, but their technicians are frowning.

Even Chu Guorong, Cheng Xiaoci and others have very heavy faces.

"Director Liu, I think that as long as there are enough funds, this is not a problem!" Jiang Wen would not refuse such a large-scale project, especially if it is not available in China.

The political achievements are in front of them.

And there is no need to go to the central government to run the project, the funds of the Ninth Academy are sufficient, and they can also use their relationship to use the technical strength of the whole country to tackle key problems for the double, who will have an opinion on such a good thing?

"Director Liu, this technical difficulty is too great. Our experience in this area is not very sufficient, and the domestic technical reserves in forging are also insufficient. The ability to produce 70,000 tons of die forging machine is not unrelated to the fact that our previous design plan has concentrated the country's top technical force for nearly ten years of design demonstration. But free forging, even if we are double, is only challenging the design capacity of 8,000 tons, which is why the first heavy side has not been able to make a breakthrough and the progress is slow......" Chu Guorong ignored Jiang Wen and constantly signaled to himself.

The technical difficulty is just too great.

Even if there is a sufficient supply of funds, Liu Yijiu's request is very difficult. The technical project of the Ninth Academy is very tight on the time requirements, and even the 70,000-ton die forging machine, they have to work day and night to be able to get it out in such a short time.

Otherwise, he would not have turned down such a project.

"We need to have more than 10,000 tons of large-scale free forging and tens of thousands of tons of die forging machines to form a closed large-scale forging industry chain! This is a requirement of the aviation industry, and it is also the production requirement of some of our heavy machine tools. If we don't have more than 10,000 tons of free forging equipment, we can't provide such processing business, and even our aviation industry chain can't be perfected! Liu Yijiu ignored Jiang Wen, who looked forward to it, and Qi Hao and the others who looked at him with some doubts, but looked at those technicians who didn't dare to look at him, and said very solemnly. I know it's a lot of technical and it's a big challenge for us! The 61111 project, we have not been in contact with it, but their design ideas have gone wrong from the beginning, whether it is an air hammer or a steam-air hammer, it is very difficult to reach 10,000 tons, and it is a rapid forging! ”

"Director Liu, you mean that we don't choose the hammer forging method?" Cheng Xiaoci was a little puzzled.

Isn't that the way it is in all countries now?

"The technical difficulties were too great, so we went straight to the hydraulic mode. With 70,000 tons of die forging design experience, it is not too much of a problem to solve the problem of pressure supply with hydraulics, right? Liu Yijiu nodded.

There is no way to do this, and we can only solve the problem first.

"Do you have to do this project again?" Qi Hao felt that he was here to be a foil.

"If we are willing, this project will start today, and if we are not willing, we will look for units with interest and confidence to carry out this project." Liu Yijiu nodded.

It has to be.

"Director Liu, if you are interested, how can we not be interested! We are not only interested, but also confident! Jiang Wen was immediately anxious, the research funds of the Ninth Academy were much easier to get than the state's financial allocation, and the project approval was not so long, so he immediately turned his head to the two engineers who were struggling and asked, "Mr. Zhu, Mr. Cheng, are you right?" ”

Chu Guorong was not as eager as Jiang Wen, and communicated with Cheng Xiaoci in a low voice, and then asked the other technicians next to them before turning his head to Liu Yijiu and asking, "Director Liu, how much time do we have to complete this project?" ”

The money of the Ninth Court is not so easy to get.

Although the approval of the national project is complicated, it will not urge them to come up with results like this, so that all the technical personnel usually do not even have a rest.

Just like today, it was originally the Gregorian New Year's Day and New Year's Day, and everyone should rest......

After the successful trial production of the 70,000-ton press, it should be stopped for maintenance, but it was put into production after the successful trial production today, and the trial production was completed after the production of 100 sets of landing gear......

Time is the most scarce.

"Two years!" Liu Yijiu stretched out two fingers. "According to the technical capabilities of the country, as well as the experience you have accumulated, it is enough. At the end of '88, I'm going to see a 15,000-ton free forging machine for trial production! ”

"It's impossible!"

Cheng Xiaoci immediately shook his head.

Liu Yijiu thought too beautifully.

From the beginning of the design, and then have to demonstrate the design plan, but also have to carry out manufacturing, from the beginning to the end, only two years, such a pressure, no one can bear.

Even 24 hours a day, it cannot be manufactured.

Liu Yijiu did not speak, but looked at Chu Guorong.

Chu Guorong was obviously frightened by such a short time given by Liu Yijiu.

For many large parts, the manufacturing cycle takes several months, and if the time given by Liu Yijiu is currently followed, the time they use for design and demonstration is only one and a half years.

He kept weighing the time in his heart, and he didn't know why Liu Yijiu was so anxious.

When Jiang Wen heard this time, he didn't dare to agree casually.

Everyone is staring at Chu Guorong, and his decision will determine whether this project will continue in the double fold.

In the end, Chu Guorong still nodded, but made a request to Liu Yijiu, "Director Liu, we can't guarantee this, we can only give it a try and do our best to complete this project." But we need to have adequate funding at the outset, and this can be a very big waste of money......"

"Funding is not a problem, the project is launched, and the Ninth Academy will first allocate 100 million special funds to you!" Liu Yijiu said arrogantly.

Money can solve problems, but it's not a problem.

Now it's not the money they're short of, it's the time!

(To be continued.) )