A three-roll mill, referred to as a three-roll machine, can be categorized into laboratory three-roll mills and production three-roll mills. It is suitable for manufacturing pastes such as paint, ink, pigment, and plastic. The working principle of a three-roll mill is as follows: it achieves the grinding effect through the mutual squeezing of the surfaces of three horizontally arranged rollers and the friction at different speeds. The three-roll mill is the *** grinding and dispersing equipment for high-viscosity materials.