labor-saving, even in mixing materials. Time can be set for blending, steady quality. Rolls : Manufactured from chilled cast iron. Inside rolls are cooled by water or healed by steam. Frames : System to prolong the lifetime of the pneumatic cylinder. Bed : One piece construction of welded steel plate or cast iron provides maximum stability. Bushing : (1) An oil sealed type bushing. (2) The bearing type bushing is constructed of cast iron housing and high strength bearing at inside diameter. Bushing Lubrication : Employs automatic circulated lubrication system. Roll Gap Adjustment : (1) Manual gap adjustment is standard. (2) Powered gap adjustment is optional. Reduction Gear Box : (1)Three-step totally enclosed gear reducer is driven by bevel gear. (2) Gears are lubricated by self splash lubrications system.