PBM 1-4 planetary ball mill is designed for fine grinding of materials of different hardness in batch mode. The grinding can be performed dry or wet. In a planetary ball mill , grinding occurs due to impact destruction during the motion of balls, as well as abrasion - simultaneous compression and shear deformation. The size of the crushed material particles depends on the running time of the mill, the physical properties of the material, the volume of material loaded, as well as the volume of balls loaded. Recommended volume of material loaded in one bowl: 15 - 45 cm3, recommended volume of balls loaded in one bowl: 50 - 130 cm3. PBM 1-4 planetary ball mill can be used as a mixer for the preparation of emulsions, suspensions and slips.  Characteristics Maximum initial material grain size - 3 mm Axis arrangement- vertical Mohs hardness of grinded material - 8 up to Loading volume of one bowl - 15-45 cm3 Number of bowls - 4 Full volume of one bowl 230 cm3 50 Hz supply voltage - 380 V Centrifugal acceleration - up to 30 g Grinding time to obtain a particle size of 90% 1 ?m, 30 min Electric motor power - 1,5kW 50 Hz supply voltage 220 V Overall dimensions (Length x Width x Height) 695x460x545 mm Weight - 130 kg Bowls material – tool steel - 5140H

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