• Specs
    Convert Specs to Metric
    Drilling Diameter
    4.724 "
    Drilling Depth
    31.5 "
  • Product Overview


    Main Specifications and Features
    specifications technical data
    Drilling diameter Φ60-Φ120mm
    Max boring diameter Φ800mm
    Range of boring depth 4000-15000mm(with reference to specification)
    Clamped diameter of chuck Φ320-Φ1250mm
    Clamped diameter of steady rest Φ320-Φ950mm
    Clamped diameter of roller support Φ1200mm
    Spindle speed range ,grades Three grade , stepless
    Federate range 0.5-450mm/min(stepless)
    Main motor N=55kW ,DC
    Feed motor N=7.5KW Japanese YASKAWA
    Drilling box motor N=45kW
    Drilling spindle speed ,grades 16-270r/min 12 grades
    Coolant pump N=11kW n=1440r/min (4 group)
    Rated pressure of coolant system 2.5MPa
    Coolant flow 200 400 600 800L/min
    Max loading weight 20t

  • About Company
    Dezhou Delong (Group) Machine Tool Co., Ltd.

    The predecessor of Shandong Precion Co., Ltd, Dezhou Machine Tool works founded in 1945, has a history of more than sixty years. In 2008, July, The company has officially renamed to Shandong Precion Co., Ltd. Besides Dezhou Precion Machine Tool Co., Ltd and Dezhou Delong (group) Machine Tool Co., Ltd, the group has also subsidiaries engaged in casting and environmental protection equipment. Its major products are large/medium conventional lathe, CNC lathe, deep hole machining machine tool and other types of special purpose machine tools.

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