Sharing scientific and technological achievements to show international style

Production progress is benefited from technological innovation, and technological development cannot be separated from collaboration. Science has no borders and no obstacles to communication. The 6th Zhengzhou International Superhard Seminar is both a scientific and technological event and a grand gathering of international exchanges and cooperation. Experts, scholars and business representatives from the United States, Switzerland, Germany, France, Japan and other countries brought their own scientific research results at the seminar, and presented a unique technology for the 50th anniversary of the birth of artificial diamonds in China. meal.

Professor Peter J Heath from Synova S. A of Switzerland made a technical report on laser water jet cutting of superhard materials such as diamond single crystal and CVD diamond. As an accessory for processing diamond superhard materials, Heath introduced that the wet laser using the water column avoids the multiple focusing of the dry laser, eliminating the need for refocusing, which simplifies the process; the sides of the cutting surface are more regular. It has a parallel cross section; at the same time, the water jet also cools during the processing, which minimizes the high temperature damage of the workpiece caused by the processing, especially the low-content CBN cubic boron nitride which is sensitive to temperature and is easily cracked by high temperature. Polycrystalline materials, this technology is more advantageous; in addition, for gem-quality diamond cutting with high precision, water jet laser technology only cuts depths up to 25 mm deep in a 50 micron cross section; for CVD diamonds, Cutting materials such as PCD and PCBN are even more important.
The novel technology has aroused great interest from the audience. Experts have asked questions, from working principle to equipment manufacturing, from laser application to processing of diamond superhard materials. Everyone puts their own opinions and questions on the report, Peter J. Respond.

Ute Wilkinson from Germany introduced the production method of diamond multi-wire saw, and detailed the application of hot isostatic pressing, injection molding, hot pressing and pressureless infiltration in the production process of multi-wire saw. For how to produce an efficient multi-wire wire saw, Wilkinson detailed eight steps and gave relevant suggestions, to introduce the experts here. At present, diamond wire saws are widely used in China, Turkey, the Middle East, Brazil and India, and have a broad international market. Professor Wilkinson's report also allows Chinese experts and scholars to see the status and level of technological development of foreign counterparts. In the future, it will provide reference and help to further improve the development level of China's superhard materials and products.

Aurelie Nouveau, representative from Eurotungstene, France, introduced the use of cobalt powder in diamond tools and gang saws. During the reporting period, Nouveau also interacted with the Chinese experts from time to time, and the entire venue presented an atmosphere of heated discussion.
The president of the Japan Industrial Diamond Association, Kazuo Kazuo, made a report on the history of industrial diamond development in Japan. As an industrial association that promotes the healthy development of the diamond industry and contributes to the Japanese national economy, the Japan Industrial Diamond Association not only coordinates the development of Japanese diamonds in the country, but also participates in the formulation of relevant environmental regulations and measures, and is also friendly with the development of industrial diamonds in China. International cooperation and exchanges, mutual exchanges, and communication have left a good memory in the development of industrial diamonds between China and Japan. Professor Luo Xiyu, an expert from the Chinese superhard materials industry, also asked the president of Kawasaki Kazuo in fluent Japanese to ask about the development of CBN materials in Japan. Kawasaki Kazuo gave a detailed introduction.
Technological innovation for China's super-hard materials industry is not only a stepping stone to open the global market, but also a magic weapon for China's super-hard industry to narrow the gap with the world's top enterprises. Strengthening the exchanges and cooperation between science and technology innovation in the international scope will greatly benefit the development of China's superhard materials and products; the stone of other mountains can be used to attack jade, and the Zhengzhou International Superhard Materials and Products Seminar is a platform for international exchanges. It is a powerful springboard for China's superhard materials industry to go global and showcase China's style!

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