Grinding machine is a machine tool that uses grinding tools to grind the surface of workpiece. Most grinders use high-speed rotating grinding wheels for grinding, and a few use oilstone, abrasive belt and other abrasives and free abrasives, such as honing mill, superfinishing machine tool, abrasive belt grinder, grinder and polishing machine.

Grinding machine can process materials with high hardness, such as hardened steel, cemented carbide, etc; It can also process brittle materials, such as glass and granite. The grinder can perform grinding with high precision and small surface roughness, as well as high efficiency grinding, such as strong grinding.