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Chapter 405 3D Printing

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    "It is unbelievable for Yan State that a steel component that is more than 30 meters high and 50 meters long cannot be made.

    "If before the disaster, larger and more demanding metal components had been made, the Yanguo people would never have been limited by their imagination.

    ¡°But it is indeed very difficult to manufacture such a steel component when a large amount of industrial production capacity across the country has been affected. Without a sufficient industrial base, it is indeed impossible to do it.

    Of course there are solutions. As a country with big infrastructure, Yan State certainly has alternatives for this.

    Method One: Of course, the simplest is to change the design and replace the current support column solution with more columns and support beams that can be processed or simply poured out of reinforced concrete. The construction of the dome can also be completed, but correspondingly  It's just that more support columns need to be added inside the dome.

    Such a plan is more practical, but the corresponding extra support columns inside the dome will have an impact on the internal space. Although the impact is not significant if the planning is reasonable, it is not as good as a transparent overall structure.

    The second method is to use welding technology to manufacture the parts of the support column in sections, and then assemble them through welding.

    Such a method can naturally meet the requirements. Yanguo's welding process can already meet such requirements, but overall segmented welding will still affect the support strength and is not as strong as one-piece molding.

    Both options can serve as alternatives, but option one affects space utilization, and option two affects structural strength. The design team was unable to make a choice at the moment, and could only send both options to Chen Xin, so that  Party A makes the choice.

    The design team did this not to shirk the blame, but they also wanted to see if Chen Xin could come up with other solutions.

    Chen Xin, is there a solution here?

    The answer is of course yes.

    "There are two solutions to this problem. One is to build a machine that can process steel components of this size to process what is needed, and the other is to use 3D printing technology to print what is needed."  Chen Xin did not think the problem was difficult to solve, and also gave two solutions.

    "What are the characteristics of each of these two solutions? If 3D printing is used, will the structure be strong enough?" The engineering and technical personnel who came to submit the solution to Chen Xin asked Chen Xin. Although 3D printing technology has developed rapidly in recent years, it is still  No one dares to say that their technology can be used to print such large metal structures.

    And taking a step back, even if such a large metal structure can be printed, how can 3D printing ensure that the printed components meet the strength requirements?

    As for Chen Xin building a machine that can process components of this size, the engineering and technical personnel have no doubt that Chen Xin can do it.

    "Building a machine to make components is not very impressive. Apart from the improvement in processing accuracy and processing technology, it is basically the same as normal processing of such a component. It is just that using my machine may consume less energy and process it."  The quality of the components is better." Chen Xin explained simply, without further explanation of the first plan he proposed.

    However, regarding 3D printing, he said with great interest: "As for 3D printing, this is basically not much different from the existing technology on the market. It also sprays materials through nozzles, and then melts the materials through laser sintering.  Resolidifies, thus forming a stable structure.¡±

    At this point, Chen Xin paused, and after the engineering and technical staff had finished digesting what he said, he continued: "But the laser sintering technology I used is better than what is currently used on the market. The sintered material is  The structure is also stronger and more durable.

    In addition, the technology I provide does not require a sealed environment to strictly control air flow and air humidity. It can be applied to the printing and manufacturing of large structures or buildings. It can even use ordinary metal powder to feed raw materials in proportion.  Then it is also possible to print out the alloy.  "

    "Can alloys be printed?" The engineering and technical staff showed a surprised expression on their faces.

    If you just print large metal components, this is not enough to shock engineers and technicians, but the ability to print alloys directly from a single metal powder is a bit incredible.

    Making alloys is not just about mixing metals together, but also requires different treatments to obtain different properties.

    Just like the stainless steel tableware in your home and the shipbuilding steel used to build battleships are both nickel-chromium alloys.??, but there is a huge difference in performance between the two.

    But this is nothing to Chen Xin. If he is willing, there is no problem in building a molecular metallurgical furnace. He can directly decompose various materials from the molecular level, and then rearrange and combine the molecules as needed to obtain his own  The required materials are also available.

    Of course, this level of metallurgical technology is too exaggerated, and Chen Xin is not ready to make it yet.

    ¡°The current 3D printer that can print alloys is enough.

    "It's difficult for me to explain the specific principles and techniques to you, but it's enough for you to know that I can indeed do this." Chen Xin still said, "I only make things, and you can study the principles yourself."  attitude, but he also explained: "I can make a small one first, and you can test it and see the effect."

    "That would be the best!" The engineering and technical personnel were too excited to say anything more at this time, and were only looking forward to the 3D printer that Chen Xin promised could print alloys.

    If Chen Xin can really achieve this, even printing some simple alloys will be of extraordinary significance in practical applications.

    Chen Xin naturally saw the excitement of the engineering and technical personnel in front of him. For Chen Xin, he has seen too many scenes of people getting excited because of his own words, and he has never reacted to this, so he also  He just nodded indifferently and said: "Then I will make a small prototype for you first. You can use it to experiment. After confirming the effect, we can discuss the subsequent construction plan."

    "Okay, Academician Chen!" The engineering and technical staff agreed, finally suppressing their excitement.

    As for the change in the construction plan, this is of course what it should be. If it is a traditional construction plan, it will need to be put up and installed and welded by workers bit by bit.

    But if you use 3D printing, you can completely raise a tall building from the ground. You don¡¯t need so many construction workers. You only need to let the 3D printer print out the main structure by itself, and then let the workers handle the follow-up work.

    The two are completely different in terms of project volume and construction difficulty.  (Remember the website address: www.hlnovel.com
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