Military Technology

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In the live broadcast room of the headquarter's news channel, experts were also specially invited to live broadcast the entire transfer process. And 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 were very emotional when they were re-invited to the live broadcast room to host such a program. They didn't expect how long it would take for the second lunar cargo spacecraft to be launched.

Professor Huang, after more than a year, I saw this Jianmu-9 heavy rocket carrying the lunar cargo spacecraft for transfer again. How do you feel now? The host took the lead in asking Professor Huang.

Hearing the host's question, 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, go so fast, and go so well in this field. They have done things in many countries and many companies have not done it 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 used the three words "far, fast, and good" in succession just now, 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 are the highlights? The host continued to ask questions.

After listening to the host's words, Professor Huang laughed: "Yes, you are very upset and gratified. I am glad that you can have an aerospace enterprise like Haoyu Aerospace in your country. Although it is only a civilian aerospace enterprise, its achievements are not at all inferior to your aerospace system.

And it has developed very rapidly. It has only been a few years since its first carrier rocket was successfully launched. We found that we were unable to land on the moon and set up a scientific research station under the moon.

So after the show is over, you are still feeling emotional with Director Zhang. You are all satisfied to see those things when you are not alive.

And Director Zhang is trying to persuade you, let you live a few years less, maybe you can see a more ordinary life. "'

Then put the lunar soil 3D printer outside to try to print, and you also watched its actual printing demonstration process. "

Yes. Director Zhang on the side resisted and said: "When you first heard Haoyu Aerospace announced the time plan, you were also surprised. You thought you heard it wrong or Haoyu Aerospace announced it wrongly. Before repeated verification, it was officially confirmed that the time is correct.

Then pour the sun-dried fine lunar soil into the feed port, and then retreat into the furnace, use solar power to drive the electric furnace to heat the receding lunar soil, and then let the quartz stone and broken glass in the lunar soil condense, and then send the other materials to the printing nozzle, retreat and heat up, and then stack and print like squeezing toothpaste, so that the building materials are formed. "So with curiosity and doubts, in order to serve the enterprise, you formed an expert inspection team and went to Haoyu Aerospace for an actual investigation. The focus of the investigation was not to demonstrate the technical feasibility of Haoyu Aerospace under that project.

Director Zhang said with a smile: "Actually, it is not much different from the special printer, but it is more compact in design, and it is composed of few parts. Each part cannot be disassembled separately for repair and replacement, so as to facilitate the repair and maintenance of the whole printer under the moon.

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

"Shock?" The host asked Yu Yu.

So you guys are very puzzled and curious. Why is Haoyu Aerospace so unconfident that it can print out the 700-square-meter building body of the entire lunar scientific research station within half a year.

"What kind of printer is it, can you describe it to you guys?" the host also asked in a bad way.

That printer is very critical, and it will undertake 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 well, the whole main body can be completed in about half a year, which was unimaginable in the past.

Yes. Director Zhang nodded: "Its working principle is actually no different from your special 3D printers, the only difference is that it cannot print lunar soil or sand into building materials for this.

Hehehe...

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

In order to verify the reliability of that printer, the project research and development team was outside the huge indoor space, UU reading www. uukanshu. com built a moon surface environment sand table. The "lunar soil" outside the entire sand table is the sandy soil that you have collected based on the lunar soil samples collected by the next few lunar exploration missions, and the lunar soil component degradation simulated and mixed after Haoyu Aerospace.

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

Hearing Professor Huang's words, both Director Zhang and the host laughed again. Professor Huang continued with a smile and said: "That is the seventh lunar cargo transport spacecraft launched by Haoyu Aerospace. Compared with the first spacecraft, the lunar cargo transport spacecraft is particularly important, because 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 according to a certain proportion, so as to restore the composition and state of the lunar soil as much as possible.

In fact, to put it bluntly, the principle is very different, and it does not use the sticky properties produced by the low temperature of the quartz sand in the sand. First of all, the engineering robot will excavate and collect the lunar soil, recede and screen before containing it, and remove some coarse particles and small gravel.

You know how long it takes to build such a 700-square-meter house under the earth, let alone under the moon, that speed is really slow. "

Oh, and you watched it print yourself. the host asked.

As a member of the delegation, you yourself participated in the whole process. To be honest, the feeling for you is very shocking. "

Director Zhang nodded and said: "Yes, it's shocking. How could you think that it's such a private aerospace company, our technology level is so low, and the few advanced technologies you saw during the period made people's eyes light up, and even exclaimed.