Landing gear, this kind of thin-walled structure, requires very strong structural strength. Only blanks forged by tens of thousands of tons of forging presses are sufficient!

When everyone arrived at the factory, they saw this large die forging press working. Around it were thick hydraulic columns, and in the center was a forging table. Each time the forging hammer fell, it would use 45,000 tons of pressure to strike the blank below. The blank inside was like dough, and it would be flattened with each press. After several strikes, the blank would take shape.

"This one hammer strike is worth hundreds of thousands, amazing!" Hook exclaimed.

"Yes, but even so, it will take at least ten years to recover the cost. Moreover, outsourcing work isn't available every day. When we have downtime, we use it to press truck frames."

Using this level of forging press to press truck frames is like using a sledgehammer to crack a nut. However, at the same time, this operation makes the truck frames extremely strong. The Mercedes-Benz trucks produced by the East itself have a chassis that is even stronger than German trucks, and this has a lot to do with this die forging press.

"In the future, we can also press various blanks for our aircraft engines," Hook continued.

Aero engines are the most precise and require a very high industrial foundation. We need materials, processes, and all aspects must reach the highest level.

"That's right, we are all brother units. Processing is done at internal prices, at least half the price of outsourcing," Qin Yang nodded.

"What are these cylinders next to it for?" Just then, the Englishman noticed some of the pressed round pipes and was very curious.

"These are for pressure pipelines. With this die forging press, as long as we make the mold, we can directly press a steel ingot into a seamless steel pipe," Qin Yang introduced.

This is the benefit of a large die forging press! All kinds of high-end steel can be realized through this die forging press!

Ordinary steel pipes have seams. Specifically, a steel plate is rolled up into a tube. There's no need to worry about gaps in the joint, as long as it can be used within a certain pressure range.

For example, water pipes are common seamed steel pipes. However, if the pressure is high, the seam can easily burst. At this time, seamless steel pipes are needed. The barrels of common guns and cannons cannot have seams. How are seamless ones made?

Gun and cannon barrels are made from a single blank. A deep hole is drilled in the middle, and after it's drilled through, the inner diameter is enlarged to become a seamless steel pipe. This kind of steel pipe has excellent performance, but it is laborious to process, wastes materials, and is very expensive.

In industry, thin-walled seamless steel pipes are generally cold-rolled or hot-rolled using blanks with holes. However, there is no other way to make thick-walled seamless steel pipes except by using the method of processing gun and cannon barrels.

Now, there is a simple solution: direct rolling! Using a 40,000-ton hydraulic press, the steel ingot can be directly turned into any desired shape. It can be kneaded however you want, just like plasticine!

When the hydraulic press didn't have other processing tasks, the factory pressed such a batch of thick-walled seamless steel pipes.

Looking at these steel pipes, the Englishman had mixed feelings. It's good to have such a big guy!

"President Qin, what are these steel pipes you produce used for?"

"They have many uses. You can use them however you want."

Seamless steel pipes are not used in many occasions, but this does not mean that this kind of steel pipe is not important. On the contrary, this kind of steel pipe is of great significance and is very expensive!

Where? Of course, it is used in high-pressure situations, such as high-pressure pipelines in chemical plants, which require this kind of thick-walled seamless steel pipe to meet the requirements. However, for a long time, the East has been unable to produce this kind of steel pipe and can only import it at a high price.

Now, we can produce it ourselves! We can use it as we please. If we sell it, the price cannot be too low. It's free money to earn from foreigners.

Similar occasions include nuclear reactors. To improve the efficiency of nuclear reactors, the pressure must be increased, and pressure-resistant pipelines must also use this kind of thick-walled seamless steel pipe! This thing cannot be bought even if you want to, you can only produce it yourself.

In the past, the production method of gun barrels was used, and the price was extremely high. Now, it comes out after pressing it with a hydraulic press.

It's not that the Englishman doesn't know what it's for, he just doesn't quite believe it.

The Easterners can actually produce thick-walled seamless steel pipes in this way. In the future, when we need similar products, will we need to order them from the East? The East was originally a backward agricultural country, how is it so awesome now?

However, this question can only be kept in my heart and cannot be said.

"Yes, I heard that Mr. Grisi has been the factory director here all along. I don't know how he is doing. He and I are still good friends," Hook said.

"Okay, then let's go to the car factory first."

The car factory is next door, and there is even an internal road between the two factories, which can be directly connected. Everyone took a car to the car factory.

The car factory was also a busy scene. On the production line, quality management personnel wearing red vests could be seen everywhere checking various parts. When Factory Director Grisi came over, he was also wearing a pair of white gloves, which were already covered with oil stains, obviously tinkering with something.

"President Qin, you are here. Oh, there are foreigners?"

Hearing Grisi's words, Qin Yang felt amused. This Factory Director Grisi has been here for a long time and has regarded himself as one of the factory's people, saying what foreigners, he is also a foreigner.

"Grisi, do you remember me? I am Hook."

"Um, Hook, I heard you went to Rolls-Royce."

Hook was hired by Rolls-Royce with a high salary to solve the technical problems of the RB211 engine. When the two met, Hook was still in other companies.

"Yes, I came here with people from Rolls-Royce. In the future, we will establish Tianjiao Aviation here, a company that manufactures aero engines. We will be able to meet often."

"Is that so? That's really good news. On behalf of the development zone, I welcome you."

Sure enough, Grisi regarded himself as a real Easterner.

"Come, introduce us to the production line. Oh, the engine on this, shouldn't it be from Mercedes-Benz?"

"That's right, the trucks being assembled on this production line are equipped with Deutz engines."

"Will Mercedes-Benz allow this kind of behavior?"

"Why wouldn't they allow it? The imported Mercedes-Benz engines are too expensive. We have the right to replace them with domestically produced engines, and Mercedes-Benz has already agreed."

Hearing Qin Yang's words, Kenneth began to think again. President Qin's words have a deeper meaning.

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