Brown fused alumina grinding wheels are a main category of abrasive tools used in grinding operations. The wheels are made into a porous body by adding a binder to the abrasive material, followed by pressing, drying, and baking. Due to the differences in abrasive material, binder, and manufacturing process, the characteristics of the wheels vary greatly, which has a significant impact on the processing quality, production efficiency, and cost-effectiveness of the grinding operation. The characteristics of the wheels are mainly determined by factors such as abrasive type, particle size, binder, hardness, structure, shape, and dimensions. There are numerous types of grinding wheels.

Grinding wheels can be divided into general abrasive types, such as alumina and silicon carbide.

The wheels can be categorized by shape into flat grinding wheels, bevel grinding wheels, cylindrical grinding wheels, cup grinding wheels, and disk grinding wheels, among others; and by bond into ceramic grinding wheels, resin grinding wheels, rubber grinding wheels, and metal grinding wheels, among others. The characteristic parameters of the wheels include abrasive, grain size, hardness, bond, structure number, shape, size, and linear velocity, among others.

Due to the high-speed operation of grinding wheels, a rotation test (to ensure the wheel won't crack at high working speeds) and a static balance test (to prevent machine vibration during operation) should be conducted before use. After a period of operation, the wheel should be dressed to restore its grinding performance and correct geometry.