磨床, or "grinding machine," is a tool used to shape and finish materials, primarily metals. It operates by using a rotating abrasive wheel to remove material from the workpiece, achieving a smooth surface and precise dimensions. This machine is essential in manufacturing processes where accuracy and surface quality are critical. There are various types of 磨床, including surface grinders and cylindrical grinders, each designed for specific tasks. These machines are commonly used in industries such as automotive and aerospace, where components must meet strict tolerances. Proper operation and maintenance of a 磨床 are vital for ensuring efficiency and safety in the workplace.