Three roller grinding machine roller material of chilled alloy cast iron centrifugal casting, surface hardness of hs70 degree is the grinding parts of the high strength, high wear resistance, strength and toughness is not due to external pressure and the influence of temperature roller properties. 2, three roller grinding machine circular roller diameter after high precision grinding, precise and delicate, can make the material grinding fineness can reach 5 m below, to produce high-quality products, uniform and fine. The 3, three roller grinding machine drive system with multi row sprocket soft start, high transmission efficiency, smooth operation, no noise, paracytic type hand wheel screw adjusting and distance, simple and accurate, easy to operate 4, three roller grinding machine by adjusting the gap size between paracytic type hand wheel screw adjusting roller to adjust is material grinding granularity, simple and accurate, and the operation is convenient. 5, three roller grinding machine is equipped with a cooling device, dissipation roller work generated heat to ensure continuous work; suitable for multi variety, it is easy to change the color.