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counter-rotary four-spindle deep hole drilling machine ZK2108X4C/300 Main technical parameterProcessing Ability1.No. of spindle: 4 PCS(each side has 2 spindles)2. Drilling diameter: 1.5mm---8mm3.Drilling legth:300mm(from one side)4.Outside diameter of the workpiece: ≤φ8.0mm5.Workpiece length: 110mm---320mm6.Quantity of the workpiece on the rack: 22pcsProcessing Speed 1． Max. rotary speed of the drill stem:15000r/min.2． Rotary speed of the workpiece: 0 r/min.3．Feed speed range: ≤1500mm/min.4． Fast moving speed: ≤2000mm/min.5. Moving speed of rack: 2000mm/min.Processing Precision 1． Skewness of drilling hole: ≤1.0/1000 drilling length(workpiece fixed, draw ratio≤100 )2． Dimension accuracy: IT8---IT113． Roughness of the drilling hole: Ra0.4—Ra1.6Power of Machine 1． Power of drill stem motor: 2X2.2KW(one motor for 2 spindles)2． Power of oil pump: 2X4.0KW(one oil pump for two spindles)3． Power of feed motor: 2X1.8 KW4． Power of oil temperature coolant machine:2.87KWHydraulic System 1． Max. flow 4X20 L/Min2． Max. pressure:16MPa3． Filter precision: 10um.4． Oil capacity: 960LBasic Dimension
