The working principle of the grinding machine is to rub and grind the surface of the workpiece with abrasives such as rotating grinding discs or grinding wheels, so as to remove surface unevenness and blemishes, and make the surface of the workpiece smooth and flat.

The specific working principle is as follows:

Power source: Grinding machines are usually powered by an electric motor, which drives the grinding disc or wheel to rotate. The motor transmits power to the grinding disc through the transmission device, making it rotate at high speed.

Grinding Discs and Abrasives: Abrasive tools such as grinding discs or grinding wheels are mounted on a sander. Grinding discs are usually made of metal, ceramics, resin and other materials, with abrasives attached to the surface for grinding the surface of the workpiece.

Grinding process: While working, the workpiece is placed on the table of the grinding machine. After starting the grinder, the grinding disc starts to rotate at high speed. The surface of the workpiece is in contact with the rotating grinding disc to form the process of friction and grinding.

Removal of unevenness: While the rotating grinding disc is in contact with the surface of the workpiece, since the abrasive is attached to the surface, the abrasive continuously contacts and grinds the surface of the workpiece to remove surface unevenness and blemishes.

Smooth and polished: Through continuous grinding, the surface of the workpiece gradually becomes smooth and flat. Different abrasives and discs achieve different degrees of smoothing and polishing.

The working principle of the grinding machine is simple and effective. Through the friction and grinding between the abrasive and the surface of the workpiece, the surface of the workpiece can be trimmed and processed. This working principle makes the grinding machine an important surface processing tool, which is widely used in industrial production and handmade fields.