The fundamental principle of a grinding machine involves the main shaft, equipped with precision bearings, driving a cutter head (or disc). Under the rotation of the cutter head, the moving blades rotate at high speed and come into tangential contact with the stationary blades, causing the incoming material to undergo intense collision and grinding, transforming it into a powdered form. In some models, high-speed particles are partially pulverized upon impact with a toothed plate and then extracted by suction. Larger particles continue to collide and are further pulverized before being drawn out. The ground fine powder is carried by the circulating air from the blower into a vibrating screen for separation. Oversized particles fall back for re-grinding, while the qualified fine powder enters the finished product storage bin via a cyclone separator and is discharged through the powder outlet tube.