Superhard products will become the mainstream products in grinding

September 30 10:06:40, 2022

The abrasives industry is a basic industry and has always played an important role in machining. As far as abrasives are concerned, there are three aspects of improvement and breakthrough significance. First, the physical structure of the grinding tool is improved, such as increasing the number of abrasive grains per unit time, increasing the average length of the grinding, and increasing the grinding contact surface, which changes the amount of grinding per unit time, effectively improving the efficiency. Second, the application of superhard abrasives mainly refers to the use of superhard materials such as metal powder, metal oxide or CBN as fillers, and the use of resin, ceramic or metal bond to make abrasive tools.

At present, the high-precision and high-efficiency grinding effect brought by superhard abrasives has been widely recognized. Thirdly, new abrasive abrasives have emerged, such as micron-sized polycrystalline ceramic microcrystalline abrasives, and fine diamond abrasive spherical shell abrasives. , polyester film tape for super-fine polishing, etc. These new abrasives have the characteristics that make them stand out in the grinding process.

Throughout the development of the grinding field, the future grinding process will put forward higher requirements for abrasive grinding tools. Judging from the current situation, superhard products just meet these new grinding needs. For example, CBN abrasive has good thermal stability, high hardness and good wear resistance. Therefore, its grinding tools have high line speed, high grinding efficiency and high life of grinding tools during grinding. It is especially suitable for processing high speed steel and bearings. Black metal materials such as steel, stainless steel, and cold-excited cast iron. In addition, it meets various needs of ceramic bond grinding wheels, high-speed grinding wheels for atmospheric holes, and different abrasive grinding wheels and diamond saw blades of different processing surfaces, which will expand the application range with the advancement of technology and become the mainstream product of grinding processing.
 

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