"Hiss......"

Let Lin Jingtang say this, He Ming suddenly felt ......

It seems like that's really the case.

Originally, the No. 11 project, including the later improvement projects, Chang Haonan actually did not directly participate.

After all, after the training of the previous 83 Project, whether it is 601 or 112 factories, they can be regarded as accumulating a group of technical personnel with relatively strong combat effectiveness.

As a result, when it came to the first-tier supplier, he still did not escape the shadow of Chang Haonan.

"How can the impact of such a small project be 10 compared to that of a turbofan...... Even if the progress of turbojet 6D is faster, for aviation power, a newly independent sub-first-level central enterprise, the symbolic meaning is still turbofan 10. ”

When the leaders from all walks of life from the capital, as well as the European delegation that had just finished their trip to Luzhou, arrived in Jiangzhong one after another, Chang Haonan had already prepared everything.

It's still relatively large.

"However, in the past two years, the operation of aviation power has been relatively independent, so we have left the turbojet 6D model in the name of self-financing of the R&D unit, and it should also be doing twin-engine installation tests, but the progress is much faster than that of Taihang, after all, it is only a limited improvement type."

Don't ask, even if you ask, the turbofan 10 is also dry.

But now, the two sides of the main engine and the power have formed a certain situation of healthy competition.

Chang Haonan shook his head:

"That's right."

"So strictly speaking, the first project to be completed after the establishment of AECC should be the turbojet 6D ......"

"I remember that when this project was reported before, it was said that it was improved on the basis of the 68,000-ton hydraulic press developed by Qinghua University in the 80s?"

Being able to ask this question as soon as you come up obviously means that you have already read the relevant technical information.

Furthermore, it is a separate visit.

"But before I just came in, I saw the propaganda slogans they put up in the factory, all of which said that trial production was going to be carried out today?"

But Chang Haonan can't directly say in front of others that I just wrote casually to deceive you at that time, in fact, I had other plans a long time ago......

The workpiece produced in trial production is slowly pulled out from between the upper and lower beams under the traction of two booms, and then rises into the air.

Lin Jingtang, who had not spoken just now, but was just listening to the conversation between the two, suddenly took advantage of this silence to interject:

"You know the situation over there so well, it should be ...... Do you want to go up there? ”

"Madam, generally speaking, some relatively simple, or even symbolic workpieces are selected for trial production, such as the simplest, a long or semicircular steel plate."

Because what he saw was not a steel plate.

The no-load experiments have been completed before, and whether the trial production task can be successful depends on the next few hours.

Unintentionally inserted willows into the shade belong to yes.

Faced with such a detailed leader, Chang Haonan had no choice but to deal with it with twelve points:

Almost at the same time.

Because aviation power has not yet been officially established, and Chang Haonan has not yet obtained a key doctorate, the appointment of the chief planner has not yet been announced.

However, for the peers who are engaged in aviation development next door, it often happens that the research and development work is relatively smooth, but because there is no installed model, or the positioning of the installed model changes, the project falls short or repeats.

Therefore, in terms of "fighting for breath", the turbojet 6D is even the same level as the turbofan 10 in a sense.

There are some things that are just tacitly understood.

"However, in the process of research and development, we found that this kind of frame is more suitable for small and medium-sized die forging presses below 20,000 tons, and if you want to apply it at the level of 75,000 tons, there are too many problems that need to be tackled, and they are all relatively weak technical fields in China."

In fact, when it was first proposed to split the aviation industry according to business differences, Chang Haonan's idea was simply to allow the aero engine to be independently developed from the main engine model, and by the way, it could also reduce unnecessary repeated investment in resources to a certain extent.

"And strictly speaking, Jiangzhong's side is not exactly an enterprise in the aviation industry, and the production of fuselage parts for Factory 112 is a normal business practice, don't over-interpret it......"

"From another point of view, if there is a gap, there is room for development......

But it doesn't matter.

"Can you understand what the people on stage are saying?"

Only for knowledgeable leaders, the seemingly ordinary screens and parameters in the control room are the more attractive parts than the equipment itself.

"So Mr. Chang ......"

"I can't say that yet."

"Ah...... It is the power of strong 5D. ”

"For example, the hydraulic mechanism, the deviation correction system, the electrical equipment, the sensor and the auxiliary equipment and other parts have been used a lot of the results achieved in the year, otherwise it would not have been possible to put into trial production in such a short time."

The group left the control room and went downstairs to the viewing platform that had already been set up in the workshop.

He Ming was stunned when he heard this model:

"Turbojet 6D?"

Just as the two were chatting, the leaders and guests on the other side had also completed their seats, and a host began to introduce the general process of today's trial production ceremony.

He shook his head slightly:

"Just one piece of equipment can't prove anything, there are many large-size forgings in key positions of the fuselage, and the requirements for the process are even higher than the requirements for the equipment itself......"

Thanks to the close business ties between her and her husband on the Huaxia side, Anne has also learned some Chinese over the years.

Do you understand what control variables are?

And Chang Haonan next to him was just watching a lively scene, but the topic was suddenly led to his head, and he quickly waved his hand when he saw this:

"After we bought the 65,000-ton hydraulic press from the Soviet Union, it took nearly three years from the first successful start to forging a large-size product that met the requirements, and this was still under the guidance of Soviet technicians, and their equipment itself had not even been verified......

"It's different."

Ziegler was coming to China for the first time, so it was naturally impossible to understand what those square words were, but he could also see that this was the final preparation before the production.

As for the competition, it was weakened as a non-important factor in the original plan.

Ziegler asked.

The members of the European delegation know how to do it, but as foreigners, they must not be allowed to run around casually, just stay in the forging workshop and watch the excitement.

He pointed to a curve on the computer screen, and without waiting for Chang Haonan or others to answer, he continued:

Come prepared.

The high-level delegation from the EU countries visited the other side of the building.

He Ming scratched his scalp, and his tone revealed a little sigh:

A week later.

The big leader has already spoken, and the others naturally have to keep up.

"I wouldn't say they're certainly not ready, but in any case, there's no reason to be too optimistic right now."

Of course, as the object of others' anger, it is not good for him to say anything more about this matter.

For him as an aircraft builder, whether the project is successful or not, they are always responsible for themselves.

Chang Haonan agrees with He Ming's view:

"Because the turbofan 9A is relatively smooth, the J-7A will be put into production immediately, so the army did not want to strengthen the 5D model in the end."

However, it should have been out of production for more than ten years.

After hearing this answer, the chief lowered his body slightly and carefully looked at the drawings in front of him:

They will have a more detailed discussion session later, and if you have any questions, you can just ask them at that time.

"Strong 5 ......"

Although she is also a technician, she has basically left the front-line R&D position, and even before leaving, she is mainly responsible for paper work, so she has not seen the similar equipment in France.

It's not a shame to find foreign help.

……

Domestic leaders and guests can go casually, but most of them are laymen, and they can only understand that this is a very large and very powerful equipment, so they can also stay in the forging workshop to watch the excitement.

"Since it's almost over, let's go down and wait for a while......"

That's a bit too jumpy.

"Therefore, when determining the overall design scheme, we finally chose the frame with a C-plate structure, which is similar to the two 75,000-ton equipment in the Soviet Union, but the design has been taken a step further, so that the whole equipment has made significant progress in terms of stability and predictability."

"Strong 5...... It is true that it has not kept up with the times at all levels, and the last modification of the batch equipment of the troops is indeed a version of more than a decade ago. ”

Although he was not officially included in the preparatory group of the aviation power group, after all, he is also one of the future team members, so he naturally understands these things.

Chang Haonan took a deep breath and calmed down his mentality a little:

"Before I came this time, I went to see the design plan of the forging press back then, and compared with the one you made, the difference seems to be quite big......

The first time Anne Colombo walked in, she was shocked by the multi-story device in front of her, which had to deliberately tilt her head to see the top.

After all, Anne is not a Chinese major, and the information she can understand is not even as good as the abridged version just translated.

"There has been so much good news in the past few years, and almost one after another, and it always feels like those old models are a long time ago......"

"The industrial control system of this equipment is also developed by ourselves?"

After all, it is a foreigner, and it is still necessary to do physical isolation on such a major occasion.

"After all...... Even if the turbofan 10 has now reached the end of research and development, after all, it is only a model, and it also has the nature of mobilizing the strength of the whole country to engage in military training. ”

At this time, there were no automatic translation equipment, and it was not possible to assign an interpreter to every member of the delegation, so only a general explanation of the content of the speech could be given.

……

After some speeches and celebrations, the loading beam of the forging press was slowly raised.

So he nodded dryly:

"It's a bit fast, I guess it's to celebrate the 50th anniversary of their country......

Ziegler's words came to an abrupt end in the middle of his sentence.

The chief motioned to put down the drawings in front of him and look back at the operating parameters displayed on the computer screen.

However, regarding this matter, He Ming's mentality is still relatively good.

This is a sign that the die forging press has begun to be pressurized.

Chang Haonan explained.

"Yes, the previous one used the 'orthogonal pre-tensioned frame' created by Academician Shen in the overall design, which is a kind of prestressed steel wire winding frame."

It's just that when he wrote the feasibility report, his own influence was not as great as it is now, and in order to improve the pass rate, he needed to find some endorsements from projects that had a foundation in the past, so he wrote the research and development plan of the 68,000-ton hydraulic press.

Since Chang Haonan himself said so, it is naturally impossible for the other two to continue on the previous topic.

Anne hesitated to confirm with Bernard Ziegler, who was next to her.

To say that there is no depression in my heart, it is impossible.

But it's not a secret.

However, in his experience, the gap between pilot production and actual production is ......

Rather, it is a pronounced aircraft bulkhead.

After a series of questions, the chief, who had always maintained a steady smile, finally nodded slightly, obviously quite satisfied with the condition of the equipment.

Just as the three of them were exchanging words, there was already a sound of motors running in the workshop, followed by a shrill creaking sound.

After all, judging from future experience, except for the aerospace industry and the weapons industry, all other fields that are engaged in parallel splitting, such as aviation, shipbuilding, and railways, have been merged back after some twists and turns.

When the big leader comes to visit in person, the first thing is naturally to visit.

Just mentioned the topic of Hangfa Group again, so He Ming took advantage of the situation to change the conversation:

"After the official establishment of Hangfa Group, the turbofan 10 should be regarded as a project that has achieved a good start, right?"

"If you don't say it, I'm almost forgetting that there is such a plane......"

Ziegler looked at the hydraulic cylinders, which had begun to slowly reset, and explained to Anne next to her:

"The structure of the aircraft bulkhead frame is much more complex than the workpiece produced in the trial, so it can be said that it is not the same thing at all......

"The influence of the turbojet 6D itself is indeed not large, but it is the first aero engine project in our country that continues to develop and finally goes to the design and finalization when the corresponding aircraft model has been canceled, and the symbolic significance of this piece is more valued by the aviation power group."

"Look, it's like I just said ......"

The chief raised his hand and pushed his black-rimmed glasses, and asked Chang Haonan, who was following him.

“……”

"Looking at the data above, the trial production process should have reached the last step, right?"

After such an explanation, He Ming suddenly became enlightened.

He Ming had a smile on his face, and said in a relaxed tone:

Now when the leader looks at the drawings of this infrastructure that are different, he must also understand what is going on.

"Although the aviation power group will soon become independent, in the final analysis, it is still a comrade in the system of the Science and Industry Commission, even if there is competition, it should still be carried out under the framework of cooperation."

Chang Haonan raised his head slightly, thought for a moment and replied:

"According to the current timetable, if nothing else, the design of the Taihang project should be finalized next year."

"That's right, Mr. Chang."

"I can't talk about high, but I do have a position over there."

"I can still understand the pressure curve of this working cylinder."

"I think...... Could they really be prepared? ”

"With the exception of consumables such as hydraulic fluids and auxiliary equipment such as electronic components and sensors, we do the entire equipment ourselves, from paper design to engineering implementation."

Of course he knows the turbojet 6, after all, it is the power of the J-6.

The vast majority of He Ming's generation of 112 factory workers after joining the work of the first model they were responsible for was the J-6 extremely improved model.

Chang Haonan replied decisively:

"As for those parts that cannot be produced in China for the time being, we are also actively contacting leading companies in related industries, and have held three demand matchmaking meetings to strive to achieve domestic substitution in the shortest possible time, or at least backup substitution."

In fact, Chang Haonanda was not ready to take the technical route of the tightrope winding frame at the beginning.

The latter, as a veteran aircraft designer and aeronautical engineer, will naturally not be stopped by this little fight:

It's just not an airliner's.

Rather, it should be a fighter's ......

(End of chapter)