... .The wood power machines rotate at high speed by motor driving spindle and produce the high strength shock, compression force, cutting ... in the three blades cut and broken process, rotor has high speed and the air flow along the rotating direction, because ... the proportion of the material.Fan motor4445.5Speed (r / min)3200320030002900Output (per hour)40-150kg60-300kg80-500kg100-750 kgFineness (mesh ...