High speed, high efficiency and environmental protection: an important trend of modern tool cutting technology
(1) The rapid development of China's manufacturing industry and the demand for tools in key user industries. The development of China's manufacturing industry has been observed from a global perspective. The average growth rate of manufacturing in recent years is shown in Figure 1.
Figure 1: Comparison of recent years' growth in manufacturing in related countries (the ordinate is the annual average growth rate)
As can be seen from this figure, China's manufacturing industry has developed rapidly in recent years. For the tool industry, this means a huge market. In this context, China's low level of manufacturing costs is a recognized fact. From the perspective of labor productivity, statistics show that China is about 3-5 times larger than developed countries such as Germany, the United States and Japan.
Such a large market, low levels of labor productivity, coupled with the continuous advancement and development of manufacturing technology, are both opportunities and challenges for the tool industry. The demand for tools in the market is not only the growth of quantity, but more importantly, the improvement of quality. From the perspective of the user industry, there are seven major industries that have the most demand for tools.
One is the power generation equipment manufacturing industry. In the context of global energy supply tensions and rising oil prices, the demand for power generation equipment has become more and more obvious. In the manufacturing process of power generation equipment, the cost of only the tool part is very considerable.
Mold manufacturing is also one of the industries with the largest tool consumption. In the mold manufacturing process, tools are used in almost all aspects of forming molds, hot molds, cold molds, and molds. In addition, automobiles, high-speed trains, general machinery manufacturing, and the wood processing industry, which has gradually expanded in recent years, have become major users of the tool industry.
The aerospace industry is the most traditional and most important tool application area. In this industry, tools are commonly used to cut aircraft structural components. These structural members are generally bulky, and in the past a large number of aluminum alloys have been used. With the expansion of the application fields of titanium alloys and composite materials, the requirements for tool processing are also increasing.
As one of the key national support industries, in recent years, the government has invested a large amount of money for the research and development of large passenger aircraft in the aerospace industry. These research and development are all aspects. We draw out the aspects related to the tool to analyze and re-examine the use of structural materials. As can be seen from the latest Boeing 787 fuselage, the method of directly covering aluminum alloys in the past has been gradually abandoned, and the direct laying and winding of composite materials has been replaced. In addition, the amount of titanium alloy is also increasing. Compared to the past, the new method can greatly reduce the weight of the aircraft, save fuel and energy consumption, which is especially important for large passenger aircraft.
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