“In 2004, I first went to Europe to visit an industrial exhibition as a spectator. I saw that the booths of Chinese exhibitors were in a relatively close position, and the booth area of ​​a Daewoo company in Korea was much larger than that of the entire Chinese exhibitors. When I stood there, I really wanted to cry." When He Qinghua, the chairman and general manager of Shanhe Intelligent Equipment Group, told this unforgettable plot in the 2013 Autodesk AU China "Masters", Shanhe Intelligent owns intellectual property rights. The flight formation consisting of four aircraft is taking off from Zhuzhou and going to Zhuhai to participate in the Aerospace Expo.
Indeed, today's He Qinghua has completely forgotten the sadness of the past. He said: "Shanhe Intelligent is now the world's top 50 in the engineering world, but it is slightly behind." Shanhe Intelligence, established in 1999, started from zero and grew into a listing with total assets of 6.5 billion yuan in 15 years. the company. As a doctoral tutor at Central South University, looking back on his own entrepreneurial path, now 69-year-old He Qinghua can be proud of it.
In the words of He Qinghua, Shanhe Intelligent's corporate philosophy is to be the value creator in the field of equipment manufacturing, and the secret of its success is to insist on independent innovation in technology. Shanhe Intelligent is a state-level innovative enterprise with a nationally recognized technology center. For technical innovation and product development, He Qinghua, who still serves as the director of the enterprise technology center, naturally has his own insights.
Digitalization enhances the confidence of China's manufacturing catching up
For the digital design of the manufacturing industry, He Qinghua admired it. He said: "In terms of improving efficiency, traditional design methods are not comparable to digital design, because the two are not at an order of magnitude."
He Qinghua believes that digital design and digital manufacturing provide the most powerful tools for Chinese to catch up with the world's advanced level. For example, he said that the surface of a fitting of a screw Air Compressor is very complicated, and each company has its own unique curved surface for improving efficiency. This surface is difficult to machine with a conventional machine tool and is produced by a special machine tool. These special machine tools are made by foreign companies relying on years of accumulated technology. Chinese companies have no money, no technical process, it is difficult to cross this road. But with the digitization, the problem is much simpler. "Digital design and digital manufacturing are a very important tool. Otherwise, it will be difficult to catch up with the world's advanced level based on years of experience. Now I am very confident." He Qinghua said.
Print efficiency and technology maturity determine the 3D printing process
For the current rapid rise of 3D printing, He Qinghua appears to be more calm. "The depth and breadth of 3D printing introduced by different industries may be different. The manufacturing industry is relatively traditional. At present, large-scale use may not be able to talk about it," but he turned his head. "This is not to say that 3D printing is useless. In fact, our Wuxi manufacturing base has already adopted this technology in the casting of ginning. We have intellectual property rights, but it is still in small batch production."
He Qinghua said that the design of some parts is very complicated, because the design is still not mature. If you open the mold or even open the metal mold, the cost will be very high. Now with 3D printing, although the efficiency is relatively low, but when the production volume is not very large, you can use 3D printing to make the model, print it out according to the design, and then modify it easily.
As the output increases, whether to continue to use 3D printing depends mainly on the efficiency of the 3D printing technology itself. If the technology is mature, it may replace the existing method in many cases. “Therefore, we can only use 3D printing in accordance with current performance and cost, and we can't use 3D printing for the sake of fashion. It is not acceptable. But it is definitely a direction. As for the future 3D printing is in manufacturing. The development process of the industry, I think it is still difficult to predict now." He Qinghua said.
In fact, He Qinghua's attitude toward 3D printing is mainly entangled in two points: one is printing efficiency, and the other is technology maturity. He believes that 3D printing uses laser methods or other methods to melt the material and then connect it, point by point to face, from face to space, so how to improve the efficiency of 3D printing is an important issue that must be solved. The technical maturity involves various processing steps of the material, such as heat treatment in the manufacturing process, and the process requirements of the conventional method, such as the mechanical properties, chemical properties, stability, strength, etc. of the material, are not easy by itself. For this reason, 3D printing is still only used in the toy industry.
China lacks a research-only team
For the growing Chinese manufacturing industry, He Qinghua has always maintained a clear understanding. He frankly admitted that China's equipment manufacturing industry has obvious shortcomings in special processing, special materials and special heat treatment. The reason is mainly because the threshold for entering the equipment manufacturing industry is relatively high, it is necessary to invest a lot of money, and the output is limited, and the leap requires a process of accumulation.
In addition, He Qinghua believes that China's manufacturing industry is lacking in excellence. He said that he had traveled to France to negotiate a cooperation project on aviation engines. He met several French companies and found that each of them had done something for years, such as preventing overheating. "There are too few professional R&D teams in China. The so-called fresh tricks and eating all over the sky. China lacks some very precise companies in a certain aspect, which causes many of our things to be inaccurate, which may be related to our society. He is more impetuous." He Qinghua said with emotion.
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