Chapter 757

“Leaders, all party members are atheists!”

“Atheists, can’t they have ardent expectations and good wishes?” Chen Mingshan asked Xie Kai with a smile, “We can’t afford failure.”

If there is a problem in the trial production of the large press, or the pressure cannot be reached, in the die-casting process, it is impossible to provide enough pressure to form the turbofan disc at one time, which will have a serious impact on many subsequent projects.

If the pressure is not enough, all we can do is die-casting many times.

Die forging is not free forging, and multiple die-casting may not achieve the effect, and it must be formed at one time.

The main frame beam and landing gear of the Yun-10; the turbofan engine withstands high temperature and pressure; the main beam of the Super-7 fighter, etc., all require this large press to be die-casted at one time.

The 65,000-ton large press project has not been determined so far, just because this 45,000-ton large press is a verification machine for subsequent large presses. If this machine has problems and cannot provide the pressure required by the design, the subsequent projects will definitely affected.

“How did your unit consider the 65,000-ton project?” Chen Mingshan asked Xie Kai, “Theoretically, there is no problem with this large press. The 65,000-ton project is not a problem.”

He naturally knew that 404 was waiting for the effect of this big press.

The only forging machine with the largest pressure in China is the 30,000-ton die forging hydraulic press of Southwest Aluminum, which was built in the 1960s and installed in Southwest Aluminum, a third-line project, in 1971, mainly for supporting domestic fighters.

Since then, the country has never engaged in a larger tonnage hydraulic press.

On the one hand, the technical strength is not enough and the reserves are not enough; on the other hand, the cost is too high, even if it is made, it will not be used.

The country’s 65,000-ton large-scale press project is designed to support the transportation of ten.

Just because of insufficient technical reserves, the final design was not fully completed before dismounting.

404 took over, and the 65,000 tons project eventually became 45,000 tons…

Now, the design and production team naturally hope to continue, the key is that the funder needs to speak.

“Leader, our base, the funds are ready. As for whether to continue working on this project after completion here, I think we need to wait to see the effect of trial production.” Xie Kai knows what Chen Mingshan is worried about.

The Department of Mechanical Engineering of Huaqing University and the First and Second Heavy Industries have completed the design of the 65,000-ton large press, which needs to be produced to verify whether the design is faulty and there is no problem before it can continue.

The core technology of each larger tonnage press is based on the previous design.

Similarly, for a large press, even if the pressure provided is only increased by a few hundred tons, the difficulty will not increase a little.

The accumulation of basic technology is very important.

As long as 404 does not continue to invest in the construction of larger tonnage presses, and many technical designs cannot be verified, there is no way to continue to design larger tonnage presses.

“More money?”

Chen Mingshan had to save face and asked Xie Kai404 how much money he was planning to invest.

As discussed earlier, the two sides could not negotiate due to funding issues.

“The funding will not be low, it depends on the effect.” Xie Kai sighed and looked at the big press standing in the middle of the workshop. “Is the tonnage of the crane too small? The transmission spindle for large warships is hundreds of tons at every turn, not to mention that in the 1960s, the 12,000 tons of free forging on the heavy side could forge dozens of tons of alloy steel and 300. Tons of ordinary steel ingots.”

“The 500-ton crane is still in production. Didn’t you see that there is a lot of space reserved for it?” Chen Mingshan gave Xie Kai a white glance. He shouldn’t have explained this matter. “What’s more, so far, which of your projects needs Hundreds of tons of heavy parts?”

Chen Mingshan did not say that even with hundreds of tons of heavy parts, the pressure alone is not enough. After forging, it may not meet the design requirements.

“It doesn’t seem to be?” Xie Kai thought for a while. There really is no such a big one at the moment. “A large generator rotor or something, shouldn’t it be used?”

Wind power and other things have not started in China, they can’t do this specifically, internationally, they have just started to study.

For these, Xie Kai didn’t have much interest in it.

“How big of a generator can be produced in China?” Chen Mingshan asked Xie Kai with a calm face, “We have a large compressor, and they will begin to challenge the design of a larger generator. When it is designed, the 65,000 tons of large compressor will be used again. It’s built.”

It seems that this is the reason?(Read more @ wuxiax.com)

Only when the core manufacturing capability goes up will the design capability go up.

After hearing this, Xie Kai always felt that something was wrong, and he didn’t quite understand it after thinking about it for a while.

He had forgotten that as he understood the domestic industrial system more and more, he realized that the domestic design capabilities were not as bad as he originally thought. Many designs could not be realized because of the problems of materials and craftsmanship that could not be solved.

Of course, some design capabilities are really not good, and also because of the limitations of materials and technology, it is impossible to produce and improve. The original design is used as the basis to challenge the stronger manufacturing capabilities.

Until the first ten years of the 21st century, several domestic free forging presses of more than 15,000 tons were built and put into production, and 40,000 tons and 80,000 tons of die forging machines were put into production one after another. Accumulation, the field of industrial science and technology began to show a blowout in an all-round way.

C919 large aircraft, Yun-20 transport aircraft, J-20 stealth fighter…

The Varyag aircraft carrier entered service, the 001 aircraft carrier was launched, and the 002 aircraft carrier continued to be built…

The world’s largest high-speed rail network, the most stable high-speed rail technology…

The 1000 MW half-speed nuclear power rotor was solved, so 1000 MW nuclear power technology was solved; the 1100 MW nuclear power half-speed rotor was mass-produced; the 1400 MW nuclear power half-speed rotor technological breakthrough…

Then, the U.S. emperor became unhappy. A man named Trump became the boss of U.S. emperor, and he regarded China as the number one enemy, and wanted to use the same tricks to bring down the Soviet Union. However, China is not the Soviet Union, and only follows its own rhythm Build national defense and earn your own small money with peace of mind.

Ever since, the trade war began…

“Xie Kai, Xie Kai…” Seeing Xie Kai distracted, Chen Mingshan called him several times. He was very curious. Xie Kai had a silly smile on his face, as if he had become a fool.

Xie Kai was a little embarrassed, thinking too far.

The one in front of me has only 40,000 tons, and the free forging hasn’t broken through yet.

“Leader, why don’t I change my major?” Xie Kai didn’t hear what Chen Mingshan said, and changed the subject tentatively, “Understand the technology, and then determine my future direction…”

“…” Chen Mingshan looked at Xie Kai with anguish.

You don’t care if you change your profession or not. Anyway, you have given up the idea of ​​making you an excellent mechanical designer.

This was Chen Mingshan’s helpless decision.

For several days, Xie Kai stayed in the forging workshop of the Xinyue factory regardless of how Zheng Yucheng and the others arranged the switch manufacturer, and followed Chen Mingshan to understand the structure of the entire large press.



Those who go to school in books are never as good as seeing the top-level mechanical manufacturing technology products displayed on the spot, not to mention the explanation of the chief engineer?

Two days before the test machine, Minister Shen Hong arrived, and the old man’s eyes reddened when he looked at the big press.

On the first day of the test machine, Long Yaohua and Li Mingshan, carrying two gold stars on their shoulders, appeared at the same time. They ignored Xie Kai’s flattery. They were in front of a large press that was more than ten times higher than them. I stopped to ask Chen Mingshan, Chu Guorong and other core engineers, what they meant was only one-can the key forging process facing aeroengines be effectively solved and improve the structural strength.

When they got the affirmative answer, the two old men actually disregarded their image at all and hugged each other in tears.

“General, general, many people, pay attention to your image…” Xie Kai couldn’t stand it anymore and reminded the two big men.

However, his kindness was not rewarded.

“roll!”

The two old men let Xie Kai go out of nowhere.

Xie Kai was so speechless that she could only turn her mouth and prepare to leave.

“Come back!” Li Mingshan waited for Xie Kai to walk more than ten meters away, and stopped him again.

“Don’t you all call me to fuck off. Chief, you guys continue…” Xie Kai returned slowly, and Long Yaohua almost kicked him with anger.

“Lao Long is going to let you cut the ribbon…” Li Mingshan said to Xie Kai.

The people around who heard this all cast their eyes on Xie Kai.

Xie Kai was even more confused.

Are you kidding me?

I came to cut the ribbon for the country’s first 40,000-ton press. What an honor it was, I was trembling with excitement when I thought about it.

Xie Kai really trembled.

Not excited, but severely frightened!

“The first… the chief… this is a joke…” Xie Kai spoke uncomfortably.

With a 40,000-ton press and cutting the ribbon, when he comes as a young man, he will be slapped to death with a brick if he goes out without being drowned by saliva.

“Why? With such a thing, I’m so excited, how can I carry a heavier burden in the future?” Long Yaohua asked Xie Kai with a smile.

Xie Kai took a few deep breaths and calmed himself down, with a bitter face, “Leader, I want to live a few more years.”

“If you want to live a few more years, you have to do this. What a great honor, look, the old dragon has been given to you!” Li Mingshan also smiled and looked at Xie Kai. “You have contributed a lot to the completion of this big press.”

“That was Lao Zheng and the others. I just mentioned it casually.” Xie Kai calmed down and hurriedly refused, “Lao Zheng and the others are more suitable. They decided on so many of our projects.”

His head shook like a rattle.

Xie Kai never felt that his brain worked so fast.

He understands the reason why Li Mingshan and Long Yaohua did this. This is to completely accept Zheng Yucheng’s plan to use him as the successor of 404, which also paved the way for him.

But he also knew that once it really took off, the happy little days in front of him would be gone, and he had to guard against cold arrows at any time.

How many people struggle for a lifetime, it is impossible to get such honor and status.

“This is a good thing. Sooner or later, you have to become the top of 404, and adapt to it sooner, isn’t it?” Xie Kai told Zheng Yucheng about the matter, and the old guy actually smiled and expressed his approval.

“What a shit!” Xie Kai couldn’t help but swear at the old guy.

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