Classification and development of grinding tools

     Grinding tools are used for grinding, grinding and polishing. Most of the grinding tools are made of abrasive with the artificial abrasives, and also useful for the natural ore directly processed into a natural abrasive. In addition to mechanical manufacturing and other metal processing industry is widely used, but also for food processing, paper industry and ceramics, glass, stone, plastic, rubber, wood and other non-metallic materials processing.In the process of using the grinding tools, when the abrasive wear is blunt, the abrasive grain is partially or completely from the grinding wheel, while the abrasive grain is a new cutting edge, or the new cutting edge is constantly exposed. The self sharpening of the grinding tools is a prominent feature of the tool and the tool.

     According to the source of its raw materials, there are two types of abrasive and artificial abrasives. In the machinery industry commonly used only natural abrasives whetstone. Artificial abrasives according to the basic shape and structural characteristics of the distinction, a grinding wheel, grinding wheel, oilstone, sand tile (collectively bonded abrasives) and coated abrasives. In addition, it is also used in the grinding agent as a type of abrasive.According to the source of its raw materials,grinding tools has a natural abrasive and artificial abrasive.In the machinery industry commonly used only natural abrasives whetstone. Artificial abrasives according to the basic shape and structural characteristics of the distinction, a grinding wheel, grinding wheel, oilstone, sand tile (collectively bonded abrasives) and coated abrasives. In addition, it is also used in the grinding agent as a type of abrasive.

     Normal consolidation abrasive is made of binder to ordinary abrasive consolidation into a certain shape

,and has a certain strength of the abrasive tool. Generally by the abrasive, binder and pore structure, which is often referred to as the three parts of the three elements of the fixed abrasive.

     The hardness of the grinding tools has a corresponding relationship with its dynamic elastic modulus, which is helpful for determining the dynamic elastic modulus of the abrasive tool by the audio method. In the grinding process, if the material of the workpiece material hardness is high, the general selection of low hardness of the abrasive; conversely, the selection of high hardness abrasive.