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Super Hard CBN Tool Advantage In The Field Of High-speed Cutting
Nov 09, 2017

With the development of manufacturing technology, the super-hard diamond tools has also made great strides in recent years and has entered a new stage of developing high-speed cutting,  new cutting techniques and processing methods. It is an important process technology of manufacturing industry, such as the automotive, aerospace, energy, military and the emerging mold industry, electronics industry and other departments, but also the rapid development factor of these industrial sectors. Expert analyze, the current high-speed cutting as the representative of the dry cutting, hard cutting and other new cutting process have shown a lot of advantages and strong vitality. And the super hard abrasive tools have been become main ways to improve processing efficiency and quality, reduce the cost in manufacturing industry.

Therefore, the super-hard abrasive tools have the advantages in the field of high-speed cutting. The practical applications are increasing. In the different blades, PCD (polycrystalline diamond) cutting tools are the best choice for high-speed cutting of aluminum and non-metallic materials. And diamond coating tool is used increasingly. PCBN (polycrystalline cubic boron nitride) cutters are suitable for cutting cast iron, hardened steel and other materials at higher speeds. CBN (cubic boron nitride) coated tools are also expected to achieve major technological breakthroughs in the near future.

To achieve high-speed cutting, cutter material is the key. High-speed cutting materials are mainly cemented carbide, coated tools, metal ceramics, ceramics, cubic boron nitride and diamond tools. They each have advantages for different workpiece materials and different cutting speed ranges. It must be borne in mind that there is a compatibility problem between the cutter material and the workpiece material, that is, a tool material and a workpiece material perform well but are not ideal when processing another workpiece material. In other words, one kinds of cutter is not suitable for all workpiece materials in high-speed machining.

For dressing PCD and PCBN cutter, 6A2 shape vitrified bond diamond grinding wheel is very suitable.