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four-spindle deep hole drilling machine ZK2120x4B-A-500 with automatic loading mechanism Main parameter of machine Processing ability1． No. of spindle: 4 pcs2． Drilling hole diameter : 5mm---20mm3． Drilling depth: 500mm4． Outside diameter of workpiece: ≤φ80mm5． Workpiece length:500mmProcessing speed 1． Max. rotary speed of drill stem: 5000r/min2． Rotary speed of workpiece: 0 r/min.3． Feed speed range: ≤1500mm/min4．Fast moving speed: ≤2000mm/minProcessing precision1．Skewness of drilling hole: ≤1.0/1000 drilling length(workpiece fixed, draw ratio≤100 )2． Dimensional accuracy: IT8—IT113．Roughness of the drilling hole: Ra0.8—Ra6.3Machine power1． Drill stem motor power:2X5.5KW2． Oil pump motor power: 2x7.5KW3． Feed motor power:2.3KW4． Oil temperature coolant machine: 4.05KWHydraulic system 1． Max. flow: 4x50L/min2． Max. pressure: 10MPa3． Filter precision: 20um4． Oil capacity: 1360LBasic dimension
