YJ-CK140ST Dual-spindle Dual-Turret CNC Machine for Shafts or Tube Parts
Center-Drive Double Spindle Double Turret (Double Tailstock) Lathe Series

YJ-CK140ST Dual-spindle Dual-Turret CNC Machine for Shafts or Tube Parts

Product Introduction of YJ-CK140ST Double-head CNC Lathe
R&D Orientation: Independently developed by our company, this machine is a member of the double-sided machining CNC lathe series. Specifically designed for simultaneous double-sided turning of shaft and tube parts such as automobile half shafts, drive shafts, hydraulic cylinders, piston rods, and rollers, it is ideal for full-process synchronous machining of both ends of inner holes of long shaft products.

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  • Core Configuration: Equipped with Fanuc 0i-TF plus system, Japan THK ball screws and HIWIN linear guides, it is driven by a 15KW main motor, adopting a 12-station turret and hydraulically clamped spindle. The maximum clamping diameter of the spindle is Φ140mm, and the maximum swing diameter is Φ300mm.
    Performance Advantages: The coordinated operation of double slides, double saddle,s and double turrets ensures the workpiece concentricity, with the repeat positioning accuracy of both X and Z axes ≤ 0.003mm, featuring high precision, rigidity, and stability. An optional automatic loading and unloading device enables unmanned operation, greatly improving machining efficiency.
    Machining Parameters: The maximum machining diameter ranges from 40mm to 140mm, and the maximum workpiece length is 400-1000mm. The spindle speed is 100-1200r/min, and the maximum moving speed of X and Z axes reaches 20000mm/min and 24000mm/min, respectively.
    Equipment Specifications: Overall dimensions are 5590×2550×2873mm, with a net weight of about 13000Kg.

  • Item Specification
    Machine Model YJ-CK140ST
    Control System FANUC 0i-TF Plus
    Ball Screw THK, Japan
    Linear Guideway HIWIN
    Main Motor Power 15 kW
    Turret Type 12-Station Turret
    Maximum Machining Diameter 40–140 mm
    Maximum Workpiece Length 400–1000 mm
    Spindle Speed Range 100–1200 r/min
    Spindle Type Hydraulic Clamping
    Maximum Spindle Clamping Diameter Φ140 mm
    Maximum Swing Diameter Φ300 mm
    X-Axis Maximum Travel 260 mm
    Z-Axis Maximum Travel 780 mm
    X-Axis Rapid Feed Rate 20,000 mm/min
    Z-Axis Rapid Feed Rate 24,000 mm/min
    X-Axis Repeatability ≤0.003 mm
    Z-Axis Repeatability ≤0.003 mm
    Machine Dimensions (L×W×H) 5590 × 2550 × 2873 mm
    Net Weight Approx. 13,000 kg

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