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    G-250MC_Milling-turning compund lathes_GUANGZHOU MACHINE TOOL WORKS CO.,LTD
    G-250MC
    Description:
    The G-250M and G-220M lathes are particularly suitable for turning,milling,drilling and other one-time molding processes in rough and fine procedures of medium-large shafts and disks parts.The whole equipment adopts entire enclosure protection and features stable and solid,with an extensive use in the production of parts for various industrial products.In addition,it is available to be configured with high-speed robots on demands,realizing unmanned flexible production.

    Features:

    1、Y-axis:It realizes a compound function of turning and milling using an interpolated Y-axis structure,or turret with Y-axis structure.(model shall be marked with “Y”）

    2、spindle:The spindle is structured with a high-power,large-torque,and high-precision sleeve,characterized by increased reduction ratio and good low-speed performance,and configured with a high-precision internal magnetic ring encoder,thereby being suitable for C-axis cutting. 

    3、Turret:It is configured with the servo motor indexing, crankset positioning and hydraulic clamping mechanisms.It achieves milling-turning machining by a variety of fixed tool seats,0°，90°，and universal milling heads.

    4、X/Z-axis:It is driven by a high-grade imported precision ball screw with the roller guide widened and span increased,thereby with standing heavy cutting.

    5、Tailstock:Automatic programmable tailstock for easy operation and application



    Specifications:

    Item

    unit

    G-250MC600

    G-250MC400

    Remark

     

    Working range

    Maximum spinning diameter

    mm

    Φ580


    Maximum turning diameter of disk parts

    mm

    Φ300


    Maximum machining length

    mm

            600

           400


    Saddle inclination against the level

    °

    30°


     

     

    Spindle

    Spindle motor

    kw

    11/15（continuous/30minutes）

    7.5/11（continuous/30minutes）


    Spindle end


    A2-6


    Diameter of spindle through-hole

    mm

    Φ62


    Maximum rotational speed of spindle

    r/min

    4000


    Spindle precision

    mm

      Radial clearance≤0.008，              axial clearance≤0.005


     

     

     

     

    Coordinate axis

    Maximum travel along the horizontal direction(X-axis)

    mm

    165


    Maximum travel along the vertical direction(Z-axis)

    mm

    670

    470


    X-axis serve unit


    15Nm,4000r/min


    Z-axis serve unit


    15Nm,4000r/min


    Maximum feed rate along the X-axis

    m/min

    24


    Maximum feed rate along the Z-axis

    m/min

    24


    Positioning precision

    mm

    X±0.006,Z±0.011,


    Repeated Positioning precision

    mm

    X±0.003,Z±0.003,


     

     

    Tool post

    Type of tool post


    Servo power tool post


    Number of tools


    12-station


    Specification of outer diameter and end face tool holder

    mm

    25X25


    Diameter of inner hole tool seat

    mm

    Φ32


    Specification of power unit chuck


    ER32


    Clamping device

    chuck


    8"three-jaw medium hollow oil pressure chuck


    Hydraulic cylinder


    Medium hollow rotary cylinder


    Hydraulic tailstock

    Maximum travel of centre sleeve


    100


    Maximum travel of tailstock

    mm

    400


     Taper of the center sleeve


    MT5


    Hydraulic system

    Oil tank capacity

    L

    60


    Hydraulic pump pressure

    kg

    35


    Chip removal

    Auto chip conveyor(optional）


    Chain plate type chip removal conveyor and chip collecting truck


     

         Others

    Total capacity of lathe power supply

    kw

    29

             25


    Boundary dimension：length x width x height

     mm

    3100x1800x2000

    2750x1800x2000


    Net weight of lathe

    kg

    3800

          3500


     

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