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    MB215 Semi-automatic CNC internal grinding machine

    Home - Product - NC internal grinding machine series

    Main characteristics of this machine tools
    ★This machine tools can grind internal circular hole and tapered hole below 小50mm
    ★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 andconvenient.
    ★Machine tools feed adopts Japanese Mitsubishi servo motor to drive ball screws to move through coupling. The guide rail adopts criss-cross steelrolling rail which is of high accuracy and good rigidity.
    ★The hydraulic section for reciprocating motion ofwork table is automatically controlled by touch screen through PLC.
    ★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 MB215
    Grinding aperture(mm) φ5-φ50
    Maximum grinding depth(mm) 80
    Swing diameter of work piece (mm) Inside the shell (mm) φ180
    Outside the shell (mm) φ220
    Maximum rotation angle of headstock(°) 30°
    Rotating speed of work piece (r/min) 280、400、560、800
    Power of grinding wheel motor(r/min) 0-60000(stepless speed regulation)
    Total power of machine tools (kw) 10
    Power of feed (x axis) servo motor (kw) 1
    Power of work piece motor(kw) 0.45/0.75
    Power of grinding wheel motor (kw) 2-6
    Outline dimension of machine tools(mm) 2900×1650×2000
    Weight of machine tools(kg) 1200
    Working accuracy (according to standard specimen) Roundness of internal hole(μm) 2
    Cylindricity of internal hole(μm) 3
    Surface roughness of internal hole(μm) Ra0.63
    Size scatter of internal hole(mm) 0.012

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