Military Technology

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The live broadcast room of the main station news channel also specially invited experts to live broadcast the entire transfer process. These two experts are already very familiar to everyone. They are Director Zhang and Professor Huang who were invited during the last launch mission.

The two of them were very emotional to be invited back to the live broadcast room to host such a program. They did not expect that in just a short time, the second lunar cargo spacecraft would be launched.

Professor Huang, after more than a year, you once again saw the Jianmu-9 heavy-lift rocket lifting the lunar cargo spacecraft for transportation. How do you feel now? The host asked Professor Huang first.

When the host asked, Professor Huang responded with a smile: "Of course I am very happy, very excited, and very emotional.

To be honest, I never thought that a private enterprise like Haoyu Aerospace could go so far, so fast, and so well in this field. They have done things that many countries and companies have not been able to do for decades. This mission is not only a grand event for Haoyu Aerospace, but also a grand event for our entire domestic aerospace system and even our people across the country. "

You just used the words far, fast, and good in succession, and expressed your excitement and joy. It can be seen that you are indeed very excited. Why, isn't this just an ordinary launch mission? Why are you so excited and emotional? What is the difference between this mission and the previous mission, or what is the highlight? The host asked continuously.

After listening to the host's words, Professor Huang laughed: "Yes, you are very happy and gratified. I am gratified that an aerospace enterprise like Haoyu Aerospace can appear in your country. Although it is only a civilian aerospace enterprise, its achievements Its performance is worse than your aerospace system at all.

And it has developed very rapidly. It has only been a few years since the successful launch of its first carrier rocket until today. We have found that we are not capable of landing on the moon and establishing a scientific research station under the moon. That is what you thought in the past. It’s all imaginable.

So after the show ended, you were still lamenting to Director Zhang that you were all satisfied to be able to see those things before you were alive.

And Director Zhang is trying to persuade you. If you live a few years shorter, you will definitely be able to see something more mediocre. ”‘

Then I put the lunar 3D printer outside and tried printing, and you also watched its actual printing demonstration process. "

Yes. Director Zhang on the side couldn't help but said: "You were also surprised when you first heard that Haoyu Aerospace announced the time plan. You thought you heard it wrong or that Haoyu Aerospace announced it wrong. After repeated Before asking for confirmation, confirm that the time is correct.

Then pour the sun-dried fine lunar soil into the feeding port, and then withdraw it into the furnace. Solar power is used to drive the electric furnace to heat the retreating lunar soil, and then let the quartz in the lunar soil Stone and broken glass are condensed, and then the other materials are pumped to the printing nozzle, further heated, and then stacked and printed like squeezing toothpaste, thus forming building materials. "So with curiosity and doubts, and in the spirit of serving the enterprise, you formed an expert inspection team and went to Haoyu Aerospace for a practical inspection. The focus of the inspection was not to prove the technical feasibility of Haoyu Aerospace for that project.

Director Zhang said with a smile: "Actually, it is very different from a special printer. It is just that its design is heavier and more compact, and it does not consist of very few parts. Each part cannot be disassembled separately for repair and replacement, which makes the whole process easier." The printer went out for maintenance under the moon.

In that process, you finally saw the engineering prototype of the small lunar soil 3D printer that will be sent to the moon. "

"Shocked?" the host asked.

So you are all very confused and curious as to why Haoyu Aerospace is so unsure that it can print out the entire 700-square-meter main building of the lunar scientific research station within half a year.

"What kind of printer is it? Can you describe it to your family?" the host also asked curiously.

That printer is very critical. It will be responsible for the overall printing work of the entire lunar scientific research station. And it is said that the printing efficiency is very low. If everything goes smoothly, the entire main body will be completed in about half a year, which was unimaginable in the past.

Yes. Director Zhang nodded: "In fact, its working principle is no different from your special 3D printer. The only difference is that it cannot print lunar soil or sand into building materials.

Hehehe...

You must know that the total construction area of ​​the first phase of the lunar scientific research station announced by Haoyu Aerospace alone reaches more than 700 square meters.

In order to verify the reliability of the printer, the project R\u0026D team built a surface environment sandbox outside the huge indoor space. The "lunar soil" outside the entire sand table is composed of lunar soil samples collected by you based on several subsequent lunar exploration missions, as well as sandy soil that was simulated and mixed with the degradation of lunar soil components detected by Haoyu Spaceflight under the moon.

And in order to simulate the real lunar environment, the entire lunar environment sand table is separated by huge glass, and a vacuum is drawn outside.

After hearing Professor Huang's words, Director Zhang and the host both laughed again. Professor Huang continued to speak with a smile: "That is the seventh lunar cargo transport spacecraft launched by Haoyu Aerospace. Compared with the first spacecraft, the lunar cargo transport spacecraft is particularly critical because it has It is equipped with a small 3D printer that will be used to print the lunar scientific research station.

It is said that the project research and development team mixed the sand found in several deserts and rivers in a certain proportion to restore the composition and state of the lunar soil as much as possible.

In fact, to put it bluntly, the principle is very simple, and it does not take advantage of the sticky properties produced by the low-temperature degeneration of quartz sand in the sand. First, the engineering robot will excavate and collect the lunar soil, and then filter it backwards and remove some coarse particles and small gravels before accommodating it.

You know how long it would take to build a house of less than 700 square meters under the earth, let alone under the moon. The speed is very slow. "

Oh, and you watched it being printed. the host asked.

As a member of the inspection team, you yourself participated in the entire process. To be honest, it gives you a very shocking feeling. "

Director Zhang nodded and said: "Yes, it's shocking. How can you imagine that in such a private aerospace company, our technical level is so low? The few advanced technologies you have seen during this period are shocking. Finally, it lit up, and even exclaimed.