This document describes an industrial coffee bean grinder. It works by using relative motion between fixed and movable discs to grind materials through actions like impact, friction, and impact between materials. It has a simple and solid structure with stable operation and high grinding efficiency. Different sized powders can be produced by changing the screen mesh. The grinder is suitable for applications in pharmaceutical, chemical, and food industries. It lists technical parameters and specifications for different models of the coffee bean grinder.