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Introduction to the development history of PCBN materials and their tools

Time: 2019-07-15

Since the Soviet Union successfully synthesized PCBN in the 1960s, the former Soviet Union became the first country in the world to successfully apply CBN materials to metal cutting tools. At the Moscow exhibition in 1972, a cubic boron nitride sintered body turning tool was exhibited. Da Zhuan 12mm. In the mid-1970s, GM used a combination of a metal bond and CBN particles to produce a CBN insert, and the product was serialized. Japan introduced the technology of GE in the United States in 1975 and quickly developed its own products. Many companies around the world are producing PCBN blades. The representative ones are Sumitomo Electric Corporation, Mitsubishi Metal Corporation, and Toshiba Tamloy. , Fujitsu Company and Hitachi Cemented Carbide Company. The UK's DeBears is currently the world's largest diamond product base. In the early 1980s, the company introduced the Abborite PCBN material without a substrate. The new classification includes 12 types of ASFR, ASFL and ASFC. In addition, Sweden, Germany, Ireland and other countries in the world can also produce PCBN tool materials. In the past 30 years, the sales of foreign PCBN tool market has increased by 10% every year. It is one of the few products in the world that can maintain high growth rate for several years.


After the synthesis of CBN samples in China in 1967, the Sichuan Cubic Boron Nitride Collaborative Group developed a cubic boron nitride tool in China in November 1973 using its own synthetic CBN single crystal. The diameter of the product is 205 to 4.0 mm. . From 1978 to 1980, Chengdu Tool Research Institute successfully developed a cubic boron nitride composite blade series. In 1983, Guiyang No.6 Grinding Wheel Factory successfully developed PCBN tool materials and launched DLS-F series PCBN tool products. In 1982, Guilin Institute of Mineral Geology researched successful PCBN tool materials, and in 1985 launched LBN-Y brand PCBN tool products. Zhengzhou Abrasives Grinding Research Institute successfully researched PCBN tool materials in 1987. After entering the 1950s, some well-known diamond tool industry companies in China have also developed PCBN tool materials.

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