• Specs
    Convert Specs to Metric
    Drilling Diameter
    3.15 "
    Drilling Depth
    315 "
  • Product Overview

    Main Specifications and Features

    specifications technical data
    Max. boring diameter Φ250mm
    Drilling capacity Φ25~Φ80mm
    Max. boring depth 1~8m(length to diameter ratio 100:1)
    Center height(from flat guideway to spindle center) 350mm
    Spingdle bore diameter Φ75mm
    Front taper of spindle Φ85mm 1:20
    Speed range and steps 70-1200r/min 12kinds
    Feeding speed range 10-1000mm/min(stepless)
    Rapid speed of feeding carriage 4000mm/min
    Range of workpiece diameter Φ40~Φ350mm
    Main motor N=30kW,n=1460r/min
    Feeding motor N=3.3kW,α30/1200 A.C servo motor
    Rapid motor of oil carriage N=2.2kW,n=960r/min
    Rapid speed of oil carriage 3000mm/min
    Coolant pump motor N=5.5kW,n=1460r/min(3 sets) N=7.5kW,n=960r/min(1 sets)
    Hydraulic pump motor N=1.5kW,n=1440r/min
    Rated pressure of cooling system 2.5~6.3MPa
    Flow of coolant 80、180、280、380L/min
    Rated pressure of hydraulic system 6.3MPa
    General motor power N=61kW(coolant pump 24kW)
    Overall machine weight 12t
    Floor area 8800×1680×1700(mm)

  • 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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