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    MK215 CNC internal grinding machine

    Home - Product - NC internal grinding machine series

    Main characteristics of this machine tools
    ★This machine tools is mainly used for grinding of internal hole, internal end face, external end face and stepped hole of work piece.
    ★The machine tools body is casted by cast iron with compact structure, good stability and strong rigidity.
    ★Setting and adjustment of machine tools parameters adopt touch screen. Human-machine dialogue can be realized. The operation is intuitive and convenient.
    ★Feed and reciprocating motion of machine tools adopt Japanese Mitsubishi servo motor to drive ball screws to move through coupling. The guide rail adopts criss-cross steel rolling rail which is of high accuracy and good rigidity.
    ★The machine tool adopts fully-closed shell to ensure use security.
    ★As for clamping of machine tools work piece, several fixtures are available for user to select such as three-jaw chuck, pneumatic fixture, hydraulic fixture and diaphragm fixture.
    ★Grinding wheel spindle for grinding adopts high-speed motorized spindle and is controlled by static frequency converter, so as to realize stepless adjustment.

    Specification parameter list
    Model of machine tools MK215
    Grinding aperture(mm) ф5-50
    Maximum grinding depth (mm) 80
    Swing diameter of work piece (mm) (mm) Inside the shell (mm) ф180
    Outside the shell (mm) ф220
    Maximum rotation angle of headstock (°) 30°
    Rotating speed of work piece (r/min) 0-800stepless speed regulation
    Rotating speed of grinding wheel(r/min) 0-60000(stepless speed regulation )
    Power of x axis servo motor(kw) 1
    Resolution of x axis(mm) 0.0001
    Maximum stroke of x axis(mm) 80
    Power of z axis servo motor (kw) 1
    Resolution of z axis(mm) 0.001
    Maximum stroke of z axis(mm) 300
    Power of work piece motor(kw) 0.45/0.75
    Power of grinding wheel motor(kw) 2-4
    Total power of machine tools(kw) 6.75
    Outline dimension of machine tools (mm) (mm) 2000×1600×1000
    Weight of machine tools (kg) 1300
    Working accuracy (according to standard specimen) Roundness of internal hole(μm) 2
    Cylindricity of internal hole(μm) 3
    Surface roughness of internal hole(μm) Ra0.4

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