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Chapter 46 Shot Peening

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    Listening to the shot peening process, Lin Guanghua and others looked confused, obviously very unfamiliar with it, while Shi Jun looked stunned, as if he was no stranger to it.

    Qiao Chenyu smiled: "Xiao Shi, do you know about shot peening?"

    "I read some foreign language materials in school and it was mentioned in it." Shi Jun responded without hiding it.

    "Oh? Then tell me." Qiao Chenyu was also a little curious. Shi Jun nodded and continued: "The so-called shot peening, as the name suggests, is a process of cold processing parts using tiny metal shot peening. In  The main application in our aviation industry is the processing of ribbed integral panels or thick skins, which we often call wing panels and complex skin components.

    Everyone knows that for this type of component, the large outer dimensions, thick and thin layers of the plate, and complex internal structure bring many difficulties to the molding work.  At present, we are using the Soviet k§¤§­-2 skin rolling bending machine to process such parts by rolling bending.  "

    After speaking, he paused and glanced at the K§¤§­-2 skin rolling bending machine not far away from the workshop that was still running in the hands of the workers. It was running slowly and clumsily, making a caracara sound, and Shi Jun sighed.  He continued: ¡°However, it is not an ideal method for a roll bending machine to use the three-fulcrum bending principle to form single-curvature wings, tail fins, and integral skin panel parts.

    The only reason is that this method has low forming accuracy and difficult to control quality. Not only does the overall processing require skilled workers to operate accurately, but also sheet metal workers need to make a lot of manual corrections after forming. However, the shot peening process mentioned by Director Qiao can  Not only does it avoid the shortcomings of the roll bending machine, it also has a good effect on strengthening and eliminating the strength and stress of the overall wall panel. This is an inherent advantage of the shot peening process.  "

    "Yes, Xiaoshi is right."

    Qiao Chenyu glanced at Shi Jun approvingly and felt that he had really found a treasure. He was capable, diligent, knowledgeable and understood business management. Such a compound talent is simply a role model for young workers in the factory.

    In comparison, Zhuang Jianye, who was favored by the chief engineer, was much worse. Although he quietly helped two branches with technical transformation, Qiao Chenyu still didn't think he was any better than others.  You must know that many of the new batch of college students have published professional papers, and the worst have also written research on technological improvement in authoritative magazines.

    " Among the people under him now, Lin Guanghua is considered the worst, but he also has a paper and a technical article in hand. What does Zhuang Jianye have?  Nothing, oh, that's not right either. Zhuang Jianye got the daughter of Minister Ning's family, so he is considered capable.

    But in the eyes of Qiao Chenyu, who values ??scientific research results, this kind of ability is really nothing, so this time the chief engineer asked him to form a trial model research and development team during the meeting in Beijing. Qiao Chenyu took the public results as a hard target, and Zhuang Jianye was naturally excluded.  outer.

    Of course, this is all beside the point. Now, as long as he gets the trial model and works hard, Qiao Chenyu doesn't believe how bad the young men under him can be. What about his father-in-law who has an organization minister? Those who have real  The long-term way is to be good at it.

    The thoughts in my head flashed through my mind, and my smile became more friendly and kind: "The shot peening process is still a new thing in our country. It has just started, but it has become popular in developed countries such as Europe and the United States, especially Boeing and McLaren.  For such a powerful aviation company, a single wing panel must be 20 to 30 meters long. How big a roll bending machine can process it? What's more, even if there is one, the inherent defects of the roll bending machine will make such parts impossible.  Defects affecting flight safety.

    So they have long applied the shot peening process to the forming of wings, tails and skins of large aircraft. As far as I know, the American B-52 bomber, Boeing 707, Boeing 747, DC-10 and other aircraft have  This process has been applied. Not only that, the new generation of combat aircraft in Europe and the United States also uses the shot peening process. It can be said that this process has become the core process of the aviation industry and the first choice for manufacturing wings and tails.  "

    Lin Guanghua and others were quite stupid. They did not expect that this technology was the core technology of European and American wing and tail manufacturing. Not to mention them, even the knowledgeable Shi Jun was a little surprised. He knew that the shot peening process was important, but  But I didn't expect it to be so important.

    So the next moment, a fiery heart started to beat. Since Qiao Chenyu said so and also pulled them to the first assembly workshop known as "Copper Head", that means they will participate in this project that is regarded as a major project by the European and American aviation powers.  Core research.

    Not only him, but Lin Guanghua and others realized this, and their faces turned red. Regardless of their selfishness, the passion to serve the country through aviation has never been wiped out. If they can catch up with the world's advanced technology with their own hands, it will be their lifetime.  of glory.

    Qiao Chenyu didn¡¯t say anything else, justHe quietly looked at the enthusiastic expressions of the young people in front of him, as if he could see his ambition and pride when he first entered the factory. He nodded happily, spread out the technical information in his hands on the long table, and said hello: "  Let¡¯s get started.¡±

    There are no grand slogans or solemn ceremonies. With a simple sentence, everyone will understand that they will shoulder the burden of catching up from now on.

    Each one of them immediately invested 120% of their enthusiasm and jumped in headfirst.

    Three days soon passed. Under the leadership of Qiao Chenyu, Shi Jun and others reorganized the information and conducted a more detailed analysis of the data inside. Everything seemed to be going smoothly and nervously. It seemed that a machine  A brand new spray-finished machine is about to be launched.

    But the more this happened, the more Qiao Chenyu who took the lead frowned, because behind the success, several key data and structures made him undecided. There was no way these things appeared too abruptly, without explanation or argument.  It seemed like it popped out of a crack in the stone.

    When he first discovered it, Qiao Chenyu didn't pay much attention, and asked Shi Jun and others to go around it first and wait until Chief Engineer He came back to solve the problem. After all, Chief Engineer He was the leader back then, and no one was more familiar with it than him.

    However, as the number of abnormal data and structures increased, Qiao Chenyu began to feel uneasy. He was promoted by Chief Engineer He, and he knew very well what Chief Engineer He was like, which was to be rigorous, so rigorous that no deviation was allowed.  Even if it is a decimal point, it must be justified. How can it be possible to come up with so many abnormal data and structures without detailed demonstration?

    As a result, the seemingly smooth shot peening process research has entered a bottleneck. There are too many abnormal data and it is impossible to get around it. In order not to delay the progress, Qiao Chenyu has no choice but to suspend the theoretical research first and let Shi Jun and others work on the materials.  Put in more effort.

    ¡°Then we waited for Chief Engineer He to come back to see if something went wrong that year.

    He Ming rushed back to Yonghong Factory last night. After a night's rest, he came to the first assembly workshop early in the morning and stepped into the craft room. Without saying much to Qiao Chenyu, he picked up the information on the table and glanced at it.  Then he shook his head and said something that shocked Qiao Chenyu: "These data and structures were not made by me."

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