HD 1720 specifications: Ring diameter: 1720 mm Roller size: 510*300mm Center speed: 92.5r/min Max feeding size: 30mm Final product size: 80-400mesh Capacity: 5-32t/h Dimension: 12500*12250*10400mm Total weight: 48ton HD1720 feature: 1.Reduce the roller and vibrate and improve the production. 2.The increase mechanism of linkage pressure of the rollers, which greatly prolongs the useful life of the equipment and increases the capacity by 20% under the same power. 3.With the original roller assembly, the oiling time increased 6 - 15 times, acheive the application of oil once, use for 30-45 days. 4.High efficiency and stability, the ring and roller always contact during processing, the efficiency and stability of the grind are improved. 5.Higher Accuracy powder Classify, without coarseness missing. 6.High efficiency and energy-saving centrifugal blower. 7.Low noise and vibration: with the reasonable set of Collocation of above, the HD series has the advantages of high production, high qualification rate Low noise and vibration in grinding of the 325-400 meshes. 8.It's applied to the non-metallic non-flammable non-explosive minerals with water content less than 6% and the Moh's hardness under 6.