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    Model M2120A Internal grinding machine 

    Home - Product - General-purpose internal grinding machine series

    Main characteristics of this machine tools
    ★This machine tools is mainly used for grinding of internal hole, stepped hole, internal tapered hole of work piece.
    ★Feed and compensation of machine tools is executed by two non-interference drive mechanisms. The feed system has the function of fixed-stroke grinding and adopts manual or hydraulic feed method.
    ★The machine tools is equipped with fast hopping mechanism. Therefore, the tools does not need to be adjusted after the grinding wheel is withdrawn for measurement or dressing.
    ★The work table is started by hydraulic switch valve to ensure instant security during assembly and disassembly of work piece.
    ★In case of a special order, the machine tools can be equipped with high-speed grinding wheel spindle of 1800r/min to adapt to the grinding requirement of 20〜50mm hole.

    Specification parameter list

    Model of machine tools M2120A
    Grinding aperture(mm) ф50-ф200
    Maximum grinding depth(mm) 200
    Swing diameter of work piece(mm) Inside the shell (mm) ф400
    Outside the shell (mm) ф600
    Maximum rotation angle of headstock(°) 30°
    Rotating speed of work piece(r/min) 100-500(stepless )
    Rotating speed of grinding wheel(r/min) 4000-6000、8000-11000
    Total power of machine tools(kw) 8.6
    Power of work piece motor(kw) 2.2
    Power of grinding wheel motor(kw) 4
    Outline dimension of machine tools(mm) 3100×2120×1320
    Weight of machine tools(kg) 3400
    Working accuracy (according to standard specimen) Roundness of internal hole(μm) 3
    Cylindricity of internal hole(μm) 5
    Surface roughness of internal hole(μm) Ra0.63

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