In recent years, with the continuous development of workpiece materials for cutting, especially the emergence of some difficult materials, superhard material tool has been more and more widely used. The number, scale and manufacturing level of domestic superhard material tool manufacturers are increasing rapidly. To be held in November 11-13, 2011 China international (zhengzhou) abrasives grinding superhard materials and products exhibition, exhibition rich Nike, bothe of zhengzhou, zhengzhou, henan three grinding, zhengzhou zhongnan diamond, diamond, zhengzhou altek dozens of superhard materials and tools, as shows the audience the rapid development of domestic superhard materials and great progress.

In the current tool market, occupy the largest market share of the tool material is still high speed steel and carbide, but the highest hardness of these tools is only 2000 ~ 3000HV, if the adhesive material, its overall hardness is below 2000HV. For difficult machining materials and high speed and high precision machining, the lower hardness of the tool material is not competent. Superhard materials such as diamond and cubic boron nitride (CBN) rapidly occupy this market. Diamond has a very high hardness and wear resistance, its hardness can reach 10000HV, is the hardest tool materials, thermal stability can reach 700℃ ~ 800℃. The hardness of cubic boron nitride is second only to diamond (up to 8000HV ~ 9000HV), and the thermal stability is higher (up to 1250℃ ~ 1350℃).

The mechanical and electrical business daily reporter in an interview, understand that superhard material tool has high machining efficiency, long service life and processing quality is good wait for a characteristic, the past is mainly used in finish machining, in recent years due to improved the production technology of artificial superhard cutting tool material, control the purity of raw materials and grain size, the composite materials and hot-pressing process, such as application scope expands unceasingly, In addition to suitable for general finishing and semi-finishing, can also be used for rough machining, internationally recognized as the contemporary productivity of one of the most promising tool materials. Using superhard materials to process steel, cast iron, non-ferrous metals and their alloys and other parts, the cutting speed is higher than hard alloy one order of magnitude, the tool life is higher than hard alloy dozens or even hundreds of times. At the same time, its appearance also makes the traditional process concept change, the use of superhard tool can often be directly to the car, milling instead of grinding (or polishing), quenched parts processing, can be a single process instead of multiple processes, greatly shorten the process flow.

Zhang Taihe, chief engineer of Henan Funike Superhard Material Co., LTD., told the "Mechanical and Electrical Business Daily" reporter that diamond material tools have extremely high hardness and wear resistance, and can effectively process copper, aluminum and other non-ferrous metals and their alloys, ceramics, sintered hard alloys, all kinds of fiber and particle reinforced composite materials. Compared with diamond, cubic boron nitride has higher thermal stability, greater chemical inertness to iron group elements and strong bond resistance. It is more suitable for processing various hard cutting materials such as hardened steel, thermal spraying materials, chilled cast iron and cobalt base and nickel base above HRC35.

Nowadays, the advantages of super hard material tool in cutting have been known by the majority of users, and has been more and more widely recognized and applied, the market demand is huge. From the perspective of superhard materials themselves, China has obvious resource advantages. The output of diamond and cubic boron nitride (CBN) accounts for more than 80% of the world's total output, and the output of CBN accounts for more than 60% of the world's total output. China has become the world's largest producer of superhard materials, and has entered the ranks of world powers in terms of superhard materials. China's superhard material industry has taken the lead in one of the industries that have the power of discourse in the international. But in fact, the current domestic superhard material tool is still in its infancy and growing phase, some companies are moving in the high-end, precision superhard material tool direction, and has made a lot of achievements, but still cannot meet the increasing market demand, tool on the market in the future, superhard material tool will occupy more important position.