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Chapter 1211 0.15mm diameter air film cooling hole

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    After hearing Zhuang Jianye¡¯s words, every person in charge of the aircraft engine plant present looked unhappy. There was no way they had more or less Japanese processing equipment in their factories.

    It¡¯s not that factories like these don¡¯t want to use European and American equipment. The problem is that European and American equipment is not only expensive, but also has very poor after-sales service. Often, it takes at least two months for the equipment to break down and it takes at least two months for maintenance personnel from European and American manufacturers. That¡¯s it. The annoying thing is that European and American equipment  All costs incurred by the manufacturer's maintenance personnel are borne by the customer.

    ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????OUT Out out, many aviation and shipyards felt that they hired a foreign master who could not help solve the problem, but a foreign grandfather to make themselves suffer.

    In comparison, Japanese equipment is not only relatively cheap, but also has a much more user-friendly after-sales service than European and American manufacturers. In addition, the details of Japanese equipment are very good, and the processing accuracy can also meet most of the needs of domestic aviation production. Therefore, domestic  Major aircraft engine plants have successively adopted Japanese processing equipment since the 1990s.

    Of course, there are some factories that choose Japanese products not only because of equipment cost and after-sales problems, but also for other purposes, such as the person in charge of the aviation engine manufacturing plant who just attacked Zhuang Jianye.

    All the equipment in the aircraft engine factory he leads is made from Japan, so that¡¯s it. Whenever he has the opportunity, he will praise the high precision of Japanese equipment and the craftsmanship of the manufacturers at small meetings, and try his best to introduce other brother factories to purchase Japanese products.  product.

    ?Obviously it is out of trust in Japanese products and the quality of Japanese equipment.

    But in fact, his eldest son studied in Japan after graduating from college. Not only did he receive joint funding from several large Japanese equipment manufacturing companies, he also established his own trading company after graduation and became the sole general agent of those Japanese equipment manufacturers in China.  .

    So it is not difficult to understand the actions of the person in charge of the aviation engine manufacturing factory. Who is helping the factory to upgrade its technology, and who is particularly admiring the spirit of Japanese craftsmanship?  It was obviously just helping his son make money secretly.

    "You talk about doctrines with your mouth, but all you care about is business!"

    Because of this, it was okay for others to listen to Zhuang Jianye¡¯s words, that is, they were slightly worried about what to do if the Japanese equipment failed. After all, the opportunity to produce world-class guide blades was rare, and this opportunity could not be missed.

    But the person in charge of the aviation engine manufacturing plant was furious. Even if you smashed our factory's pot, you actually planned to smash your own family's pot. You Zhuang Jianye went too far, so the aviation engine man who was silent for a while  The person in charge of the hair manufacturing plant couldn't bear it anymore and opened his mouth to criticize: "I disagree with Comrade Zhuang Jianye's opinion. The quality of Japanese equipment is world-renowned. Their achievements in machining are as good as Germany's. On the machine  Japanese companies have a good craftsman spirit and culture. Every piece of equipment they produce can no longer be regarded as an industrial product, but should be called a work of art.

    So Comrade Zhuang Jianye just said that Japanese equipment is not accurate enough and they are all deceptive junk. I think it is Comrade Zhuang Jianye¡¯s one-sided personal understanding. Our factory uses Japanese equipment and it has always been very good. Why is there no accuracy difference?  Case?

    Therefore, I have to wonder whether Ascendas Group has made mistakes in the use of some Japanese equipment. If so, I suggest that the cadres and employees of Ascendas Group go to our factory to exchange and learn. I dare not say anything else about the use of Japanese equipment.  Our factory still has some experience"

    He paused for a moment, took a bottle of mineral water from the secretary next to him, took a sip to moisten his throat, and then slowly continued: "What's more, every brother factory has introduced it to a greater or lesser extent.  Japanese equipment was purchased with the country's precious foreign exchange. How could it be discarded just because the accuracy of Japanese equipment is not good? This is not a waste, but a serious loss of state-owned assets. Who bears the responsibility? What's more, Japanese equipment  Is the accuracy really low? As I said before, some people may have misunderstandings about Japanese equipment, so I suggest"

    The person in charge of the aircraft engine manufacturing plant is worthy of being a central management cadre who has climbed all the way to this position. His eloquence is very good. He said a lot later, which can be said to be eloquent, clear and logical.

    This caused the heads of other aircraft engine factories to nod their heads, not because what the person in charge of the aircraft engine factory said was really good, but because he said, "This is not a waste, but a serious loss of state-owned assets.  Who bears the responsibility?" With the big hat on, the heads of the other aircraft engine plants were a little overwhelmed.

    Since I can¡¯t stand it, I can only agree. What else can I do?  Are you going to jump up and say that the Japanese equipment that you spent hundreds of millions of yuan to purchase is just thrown into the garbage?

    ¡°I dare to say this today, but tomorrow I will wait until get out of class is over to go home and retire!¡±

    Zhuang Jianye didn¡¯t expect that he would turn a corner.The problem with the equipment for the second time improvement in the corner was retorted by the greasy middle-aged Mediterranean man in front of him who always put on a bad face. However, he was neither angry nor surprised, but calmly held the metal core in his hand.  and wave springs were completely pulled out, and handed to the person in charge of the aircraft manufacturing plant who was still talking about the benefits of Japanese equipment: "Leader, take a look, the average thickness is less than 5mm, and the material is hard and brittle.  What Japanese equipment can be used to process the 1,845 0.15mm diameter air film cooling holes on the second-generation nickel-based alloy metal core?¡±

    The person in charge of the aviation engine manufacturing plant who was talking eloquently was stunned for a moment after hearing Zhuang Jianye's words. It was obvious that he was a little uncomfortable with being interrupted, and soon a look of anger appeared on his already smelly old face.  , when it comes to being suddenly interrupted at the most critical point, in the eyes of this central management cadre, it is no less than a beautiful woman driving a car and being suddenly forcibly stopped. The desire is 100% transformed into anger, and it is still unhappy without venting it.  The profitable kind.

    However, before he could fully express his anger, he immediately realized something and exclaimed in surprise: "What did you say? There are air film cooling holes on the metal core? Didn't you just say that the entire blade is made of ceramics?  Is it the high-temperature jet coming out of the combustion chamber?"

    "It is true that ceramic materials can withstand high-temperature jets, but we must also respect scientific common sense. Ordinary junior high school students know the effect of heat conduction. You, a senior leader who leads an aircraft development plant, don't know everything, right?"

    You must know that the internal metal core is only a second-generation nickel-based alloy material, which can only withstand a high temperature of 850 degrees Celsius. If there is no cooling treatment, no matter how heat-resistant the ceramic material is, the temperature transmitted to the interior will be close to 900 degrees Celsius.  "

    "Thisthisthis"

    After listening to Zhuang Jianye's words, the person in charge of the aviation engine manufacturer opened his mouth and wanted to say something, but before he could figure out what to say, Zhuang Jianye gave the aircraft engine manufacturer the metal core in his hand.  The person in charge of the factory then asked unceremoniously: "Don't say this or that, just ask, can Japanese equipment punch more than 1,800 special process holes with a diameter of 0.15mm on the surface of a complex five-mm-thick blade?"  If so, we Ascendas Group will buy as much of this equipment as they have in Japan, even if we bankrupt it!"

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