Superhard materials must be developed to achieve its value. Reviewing the track of China's super-hard products constantly expanding, all are closely related to social needs, just as the need for cemented carbide blade grinding has promoted the birth of abrasive grade synthetic diamonds in China. The need for drilling engineering has promoted the development of high-strength diamonds. The need for oil drilling development has contributed to the development of polycrystalline diamond. The flourishing development of the stone industry and the construction industry has aroused the development of China's diamond industry, which has led to a sharp increase in diamond saw blades, which has led to the extraordinary development of the diamond industry. It can be seen that social demand is a huge driving force for the rapid development of the diamond industry. After the blind development of the diamond industry in the past few years, coupled with the landslide of the stone and construction industry, the supply of low-grade diamonds exceeded demand, causing the super-hard materials industry to fall into a difficult situation and a promising situation. Why is this obvious? What is the contrast? A very important reason is that the development speed of China's superhard materials and their applications lags far behind the development speed of superhard materials, continuously develops diamond product varieties, and opens up new fields of diamond application. The further development of diamonds is promising. We will cite some foreign application examples to make clues to think, so as to achieve the purpose of enhancing confidence. In industrialized countries, diamond thin-walled diamonds have been widely adopted in construction due to their strong practicability and extraordinary processing efficiency. From the installation of various pipes to the installation of anchor bolts and balcony railings. Stairs, handrails, etc. Recently, diamond tool manufacturers in Japan, the United States, Germany, and Italy have invested heavily in researching sintered and laser-welded diamond thin-wall engineering drills. The development and application of diamond tools in the wood processing industry began in the early 1980s. In 1992, the annual output value of diamond tools in this field was between 3,000 and 40 million US dollars, with an annual growth rate of 15% to 20%. Geographically, the European market is the most mature, with an output value of 2/3. Since the early 1980s, Italian Metal World has been manufacturing PCD woodworking tools, including diamond circular saw blades, various tools and drill bits. In 1991, the company introduced the Ø5mmPCD woodworking twist drill, which was the first successful use of woodworking drill bits by PCD. It is also the latest development of diamond in woodworking tool manufacturing technology. From the perspective of raw materials, China's timber is in short supply and wasteful. The data show that the comprehensive utilization rate of China's timber is less than 60%. The National “Eighth Five-Year Plan†and the State Council's “Decision on Current Industrial Policy Key Points†have listed the wood processing industry as Key support industries. The future development of China's timber industry is focused on improving the quality of finished materials, the pass rate and the yield rate, and the development of deep processing and fine processing in the wood industry. For example, the technology of sawing and planing puts high precision and wear resistance on woodworking tools. Standardization and generalization requirements. According to statistics, at present, China has introduced more than 360 automatic production lines, and the materials of these production lines are mostly hard alloys. Under this circumstance, China's superhard materials industry should pay attention to the potential market of diamond application in this application field. Flat glass includes window glass, automotive glass, mirror glass, reinforced glass, and the like. More than 80% of flat glass is used in the construction industry and the automotive industry, such as building veneers, curtain walls, full glass doors, mirrors, bathroom walls and automotive windshields. All of these glass products must be edged to reduce the sharpness of the glass, while others need to be mirrored and precision-sized to achieve good visual results. At present, in addition to the polishing process, the processing of foreign flat glass has generally used diamond grinding tools, which are characterized by high processing efficiency and good product quality, which is conducive to large-scale automated production. The use of superhard materials as abrasives to make coated abrasive products. This is the new technology and economic growth point of today's ultra-hard materials and coated abrasives expansion applications. It is the inevitable result of the coated abrasives adapting to the development direction of modern precision machining. The main products are superhard material grinding and polishing belts with particle size from 500um. To 0.025um, different colors are distinguished by different colors. In developed countries such as Japan and the United States, the domestic automotive industry has imported such abrasives, which should cause concern. The use of diamond grinding wheels is an inevitable trend in the development of high technology. An important reason for the use of diamond grinding wheels is the development of engineering materials, especially the development of materials such as ceramics, cermets and superhard alloys called “space eraâ€. These materials are mostly superhard and wear-resistant materials. Diamond grinding tools can be ground. The giant "anti-slip cutting machine" recently made in the UK is a large roller consisting of 360 diamond saw blades on the axle. It has more than 7,000 carats of diamonds and can process 1.8 meters wide at a time. The cutting speed is 1.6 per shift. Kilometers. It can be seen that foreign countries have expanded from grinding to the field of building construction that was not originally a grinding process. With the advancement of science and technology, people's requirements for processing accuracy are increasing, and the development of precision and ultra-precision machining tool materials is becoming more and more urgent. Diamond tools are more suitable for precision and ultra-precision machining, so they are highly valued. At present, foreign diamond tools have achieved significant economic and social benefits for production, while China's production applications are relatively small. In short, the application prospects of superhard materials are beautiful and enticing. Whether superhard materials can find new areas of their own expansion is of great significance for the sustainable development of superhard materials.
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