Grinding wheel is the most important abrasive tool in grinding process. The grinding wheel is a porous body formed by adding binder into abrasive, pressing, drying and roasting. Due to the differences of abrasives, binders and manufacturing processes, the characteristics of grinding wheels are very different, which has an important impact on grinding quality, productivity and economy. The characteristics of grinding wheel are mainly determined by abrasive, strength, binder, hardness, structure, shape and size. There are many kinds of grinding wheels, which can be divided into ordinary abrasives, corundum and silicon carbide, grinding wheels and natural abrasives, superhard abrasives and diamonds and cubes. According to the shape, it can be divided into plane grinding wheel, inclined grinding wheel, cylindrical grinding wheel, cup grinding wheel and dish grinding wheel. According to the binder, it can be divided into ceramic grinding wheel, resin grinding wheel, rubber grinding wheel and metal grinding wheel. The characteristic parameters of grinding wheel mainly include abrasive, viscosity, hardness, binder, shape and size. Because grinding wheels usually work at high speed, rotary test and static balance test should be carried out before use. After working for a period of time, the grinding wheel should be dressed to restore grinding performance and correct geometry.

Abrasive is the main raw material for manufacturing grinding wheel, which is responsible for cutting. Therefore, the abrasive must be sharp and have high hardness, good heat resistance and certain toughness. The substance used to bond abrasives in grinding wheels is called binder. The strength, impact resistance, heat resistance and corrosion resistance of grinding wheel mainly depend on the properties of binder. When installing, first check the safety and quality of the grinding wheel. Method: Tap the side of the grinding wheel with a nylon hammer (or pen), and the sound will be crisp, no problem. Positioning problem where the grinder is installed is the first problem we should consider in the installation process. Only by choosing a reasonable and suitable post can other work be carried out. It is forbidden to install the grinder in a place facing nearby equipment and operators or where people often pass by. Generally, a special grinding wheel room should be set up in a larger workshop.