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Flat bed heavy duty CNC machine CN-K50B 1
Flat bed heavy duty CNC machine CN-K50B 1

Flat bed heavy duty CNC machine CN-K50B

1.Monolithic conjoined structure of lathe bed, large span guide rail.Z direction guide rail spans 420mm,while X direction spans 230mm High rigidity,small vibration,can with stand large cutting torque,and adapt to the strong cutting and fine finishing.

2.Separate transmission is used in the main drive system(independent spindle structure,three gear automatic shift gearbox,continuously speed regulation) to eliminate the influence to the precision machining parts caused by the motor vibration and heat.and the spindle system has the advantages of low thermal deformation, good accuracy stable.

3.Main transmission adopts the way that servo motor directly driving spindle,so the spindle system has the advantages of low noise,high response speed,less thermal deformation,good accuracy stable.

4.X,Z direction guide rail are in the way of slide guide.The sliding surface of the drag board,sliding plate is plastics sticking.The low friction coefficient makes the stiffness and the dynamic and static  friction damping of feed system at their best situation.

5.The tailstock has a automatic buoyancy device which reduce the thrust greatly when the tailstock  is moving on the bed.


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    Flat bed heavy duty CNC machine CN-K50B

    Main performance(CN-K50B):

    1.Max.swing diam. Over lathe 500mm.

    2.Max.length of the work piece:1000mm,1500mm,2000mm.

    3.Guide span: 420mm.

    4.Height of the center 265mm.

    500mm swing over bed CNC lathe –1500mm machining length-Manual Lathe Machine, Economic CNC Lathe Machine,  Heavy Duty Flat Bed CNC Lathe Machining Center

    Model  Specification CN-K50B,CN-K50B-2
    Main spec Swing over bed 500mm
    Max length of machining work piece 1000mm,1500mm,2000mm
    Capacity Max machining diameter on bed 500mm
    Max machining diameter on slider 280mm
    Max length of machine(distance between tailstock to chuck jaws) 930mm,1430mm,1930mm
    Bar through material diameter Ø80mm
    Spindle center height 265mm
    Distance of the center 1050mm,1550mm,2050mm
    Spindle Spindle bore diameter Ø82mm
    Taper of spindle bore  1:20 / Ø90
    Range of spindle speed

    Three gear automatic shift gearbox 34-2000r/min




    Turret Max. travel of turret on Z axis 1020, 1520mm,2020mm
    Max. travel of turret on X axis 310mm
    Rapid move speed on Z axis 8000mm/min,6000mm/min,
    Rapid move speed on X axis 4000mm/min
    Turret positions vertical type 4 positions turret
    Turret size 25×25 mm
    Distance between spindle center to the support surface 25mm
    Tailstock Taper of spindle sleeve MT5
    max travel of tailstock sleeve 150mm
    max travel of Tailstock on X-axis ±15mm
    Motor Main motor power 7.5kw sevo,11kw servo 
    Torque of Z axis motor 1.5 kw(10N.m)
    Torque of X axis motor 1.2 kw(6N.m)
    Cooling pump AYB-20 0.115kw
    Tool holder model LD4
    Outline dimensions 1000mm 3100mm x 1260mm x 1600 mm
    1500mm  3600mm x 1260mm x 1600 mm
    2000mm 3800mm x 1260mm x 1600 mm
    Weight 1000mm 2500kg
    1500 mm  3000 kg
    2000mm 3500kg


    Machine inspection precision

    Inspection item China Standard Factory standard
    Machining precision IT7 IT7
    Machining work piece roundness 0.005mm/φ50mm 0.004mm/φ50mm
    Machining work piece cylindricity 0.03mm / 300mm 0.02mm / 200mm
    Machining work piece planeness 0.025mm/φ300mm 0.015mm/φ200mm
    Machining work piece surfaceness Ra2.5μm Ra2.0μm
    Position precision X-axis 0.03mm X-axis 0.024mm
    Z-axis 0.04mm Z-axis 0.032mm
    Re-position X-axis 0.012mm X-axis 0.01mm
    Z-axis 0.016mm Z-axis 0.012mm

    500mm swing over bed CNC lathe –1500mm machining length-Manual Lathe Machine, Economic CNC Lathe Machine,  Heavy Duty Flat Bed CNC Lathe Machining Center


    Machine configuration

    Accessories Name Specifications Model Manufacturer Remark
    CNC GSK980 GSK  
    The main motor 11KW spindle servo motor China Beijing CBT  
    X-axis motor 110ST-M06030 GSK  
    Z-axis motor 130ST-M10025 GSK  
    Spindle bearing P4 China famous HRB bearing  
    Spindle 82 mm Spindle Southern Machine  
    Turret Vertical 6 positions turret HTC LD4  
    X-axis ball screw C3 Bot / Han River  
    Z-axis ball screw C3 Bot / Han River  
    Screw bearings for X-axis ball screw P4 HRB/Luo axis research  
    Screw bearings for Z-axis ball screw P4 HRB/Luo axis research  
    Three-color light Three color flashing ONN  
    The key electrical components Relay/Contactor Japan’s Izumi/Switzerland ABB/Schneider  
    tailstock China South brand South CNC  


    The standard machine tool accessories:

    No. accessory name Model Specifications Quantity Remark
    1 Adjust the horn and bolts CN-K50B 1 Our
    2 Pan tools   1 Three gulls
    3 Screw tools   1 China brand
    4 Chuck Manual jaw chuck diameter Φ250 1 China brand


    Technical data:

    No. Technical data Name Copies Remark
    1 Manual machine tool (machine)—mechanic and electric 1  
    2 Certificate 1  
    3 Precision inspection 1  
    4 Packing List 1  
    5 Manual user operation for controller 1  
    6 Controller system operation manual 1  
    7 Electric diagram 1  
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    SOUTH lathe is a professional CNC machine manufacturer of turning-milling drilling, tapping and carving combined machine tool.

     Contact Us

       +86 13928187729

      +86 13928187729

      manager@jeasoncnc.com / js_john@vip.163.com

     No.3 Huafu Road, Bianjiaojuweihui, Ronggui town Shunde Foshan City, Guangdong Pronvice China.

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