It was Zheng Zilong's grandfather.

The real helm of Longgang Group.

He is also the director of Longguo Special Steel Research Institute.

Academician of the Academy of Engineering, No.1 in metallurgy and mechanical finishing forging!

The old man laughed: "Your father has been beaten by me many times, and he gave birth to you..."

Zheng Zilong felt that what the old man said made sense, the head he slapped had nothing to do with his lower body.

No longer entangled in this problem, changed the subject and said: "Old man, I found something incredible!"

"What? New materials?" The old man raised his brows with interest.

"The material should not be a new material, it seems to be an ordinary alloy."

Zheng Zilong thought carefully and replied.

"This is not important, what is important is the technique of mechanical finishing!"

"Oh?"

"It seems to be the seamless connection technology on the high-speed rail tracks!"

"What did you do?"

"A twenty-meter-long, humanoid mecha!"

The old man's eyes suddenly widened: "What the hell?!"

"Oh, don't get excited, old man, it's just a humanoid mecha model."

"You boy, can't you make it clearer? I was shocked. I thought someone was building large weapons in the territory!"

Zheng Zilong laughed.

The old man snorted coldly, and continued: "The seamless welding technology of the high-speed rail is a secret, and the difficulty is definitely beyond the reach of ordinary people. Using this technology on a humanoid mecha, are you sure you read it right? "

As a top person in the profession, the old man instantly simulated a basic model of the mecha in his mind, and also imagined how the metal surface would look smooth and flawless after applying seamless welding technology to it.

"Old man, you look down on me now. Anyway, I can be regarded as a high-achieving student. I still have some insight."

"Hehe, you kid can just brag."

Zheng Zilong saw that the old man was still staring at him, so he simply gave up struggling: "What you say is useless, you can see it yourself."

After speaking, he handed over his mobile phone.

At this time, the footage of the live broadcast room.

Just followed the on-site experts to focus on the details of the mecha steel.

"Well, the glossiness is not bad, and there is no graininess on the surface. It should not be caused by spray paint. It must be some kind of special alloy steel!"

"The surface is smooth, and there are no visible welding traces to the naked eye. It seems that it is indeed a seamless welding technique."

"But it always feels a little different..."

The old man frowned.

Zheng Zilong: "Old man, what's the difference?"

"I can't tell. I don't know if it's because the camera wasn't careful enough."

The old man shook his head, but he couldn't see much in the small details.

But as the camera moves up.

See more and more details and the overall outline, wider and wider.

The old man's expression became more and more surprised.

Until the end, when the overall 20-meter-high mecha appeared on the screen of the live broadcast room again.

The old man finally couldn't help exclaiming: "This...!"

"What's wrong?" Zheng Zilong couldn't help asking.

"Surface integration, overall cutting technology!"

Zheng Zilong couldn't help shrinking his pupils.

He jumped up from his seat.

Exclaimed in an incredible voice: "All military technology?"

……

Chapter 7 It's an insult to top technology

The old man nodded cautiously.

"hiss……!"

Zheng Zilong couldn't help but gasped.

Suppressing the throbbing in his heart, he asked again: "The kind used on aircraft carriers?"

The old man nodded: "In terms of overall cutting, the two do have similarities."

"This...!" Zheng Zilong felt his teeth a little sore.

But the old man continued to say: "And from an engineering point of view, to support a 20-meter-high all-steel structure, according to the alloy steel with ordinary hardness, at least the thickness of the steel for the main support structure must be more than 50 cm thick. , otherwise let alone standing up, even if lying flat, it will collapse, unable to hold up...!"

Zheng Zilong couldn't help but interrupted: "Grandpa, wait a minute, I know what you mean, the people who made this thing for the time being did use this technology, but the overall cutting technology seems to require the use of a large water Knife cutter?"

The old man also looked puzzled.

in his perception.

It is necessary to achieve the overall cutting of the steel covering the chest of the mecha at a position nearly ten meters square.

The required waterjet cutter must be the one with the highest power, 400 MPa, capable of cutting 60CM alloy steel.

But it seems that the warehouse in the live broadcast does not seem to be able to accommodate that kind of large-scale engineering equipment in the remaining space.

Somewhat uncertain: "Maybe the cutting and welding are not in the same place."

Zheng Zilong nodded: "That's really the only way to explain it."

"However, it seems that only one company in China has this thing? And I heard that it seems to be used first for aircraft carrier formations, right? Isn't this a secret weapon made by the country?!"

"Why do you talk so much, you ask me, how do I know who used this thing, and I can't find out!" The old man was obviously full of doubts, and seeing his grandson still asking questions, he couldn't help it. I choked on my mouth.

"Can the direct camera re-cut some details?"

The old man feels that after understanding the technology, it is necessary to look at the details again in order to truly understand the true level of the producer.

"Huh? It should work. Let me try."

"How can it be called?"

"Grandpa, it's also a TV station program, you think it's a live broadcast that you can pay for!" Zheng Zilong explained in a low voice.

"Then you should hurry up!"

"cough……!"

Zheng Zilong gave the old man a weird look, muttered a bit, and then followed the old man's request and started posting sticky comments on the live broadcast.

And obviously he overestimated the concern of the program group for paying users. After all, live broadcast rewards are equivalent to extra money for the program group.

So after he threw 4000 yuan wildly, the program team met all his shooting requirements very thoughtfully.

A ten-second close-up of the mechanical joints.

The fit may require a ten-second close-up of the weld.

A ten-second close-up of a cut cross-section of steel.

And the most important overall chest overall steel, curved surface integrated overall structure ten seconds close-up.

Wait until all the close-ups are done.

The old man couldn't help showing a burst of ecstasy.

With trembling hands, he took out his mobile phone from his pocket and made a call.

"Old man, hurry! Come out and watch the live broadcast of "Looking for Civilian Scientists". I discovered the world's top alloy cutting and welding techniques!"

On the other end of the phone, there was a pause, and a sudden exclamation came out: "Top in the world?!"

"Yes! The world's top class! I dare say that even the cutting and welding techniques used on the flight deck of the beautiful national nuclear-powered aircraft carrier cannot achieve this level!"

"Snapped!"

The phone hung up instantly without warning.

The old man didn't care at all, and turned his head to continue looking at the live broadcast room.

Zheng Zilong, who was on the side, was a little surprised when he heard his grandfather's words: "Old man, why didn't I see that this technology is the world's top?"

"With your half bucket of water level, isn't it normal that you don't see it?"

Zheng Zilong: "..."

Seeing his grandson's deflated expression, the old man smiled, but he was his own grandson after all, so he still had to teach what should be taught.

"Technology is nothing more than looking at three points!" The old man stretched out three fingers and shook them.

Zheng Zilong also became serious when he saw that the old man was about to talk about dry things.

"The first point is the flatness of the welding technology! From the perspective of the naked eye, this point has been achieved to the extreme!"

"The second point is the overall cutting technique. I don't know how the maker of this model completed this step, but it is undeniable that he has mastered this technique very well, or found a better technique! "

"And the most important thing is the third point!"

"When any material is cut, there will be more or less burrs, especially for the cutting of this kind of integral and extremely thick steel material, the processing of its burrs is even more difficult. Well, it will directly lead to the inability to weld, or the flatness of the weld!"

"So in fact, this can also be regarded as a systematic project. If a link goes wrong, it is impossible to produce the effect we see now!"

"Of course, it may also be due to the particularity of the alloy material. It's hard to say, but just by showing it, the technology visible to the naked eye is well-deserved to reach the world's top level!"

Zheng Zilong nodded thoughtfully: "If this is the case, why don't we buy it back for research and reverse engineer the technology?"

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