A grinding machine is one of the machine tools used to sharpen / cut or grind the workpiece with a specific purpose or need. The working principle of the grinding machine is that the rotating grinding stone is in contact with the workpiece so that erosion, sharpening, sharpening, or cutting occurs.

The main functions of grinding machines in general are:

1. Cutting the workpiece whose thickness is not relatively thick.
2. Smooth and flatten the surface of the workpiece.
3. As the final finished process (finishing) on the workpiece.
4. Sharpen cutting tools to be sharp.
5. Eliminate sharp edges on the workpiece.
6. Forming a profile on the workpiece (be it ellipse, elbow, etc.)