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29 st. Friedrich Engels,
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SPECIAL CNC SURFACE-GRINDING MACHINE WITH A VERTICAL SPINDLE WITH A RECTANGULAR MOVABLE TABLE AND TWO ROTARY DIVIDING TABLES OSH-665F3

DESCRIPTION

The machine is designed for grinding grooves of parts of turning chucks with a diameter of 210, 250, 315, 400, 450 mm.

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DESIGN ADVANTAGES

  • The machine has a box-shaped bed with longitudinal guides (flat and prismatic). On the back wall of the bed, a base is fixed, along the guides of which the column moves in the transverse direction.
  • A wheel head with a vertical spindle (electric spindle) moves vertically along the vertical guides of the column.
  • The movement of all bodies in the longitudinal, transverse and vertical direction is carried out automatically by means of screw-nut rolling gears.
  • On the longitudinal guides of the bed there is a rectangular table with a rotary indexing table ø 400 mm and sloped sine fixture with indexing rotary table Ø200 mm mounted on its working surface. the Machine is equipped with numerical control system Sinumerik-840D CNC device of the company “Siemens” and touch sensor of the company “Renishaw”.
  • Maximum dimensions of the installed part: diameter-450 mm, height-200 mm.
  • Electric spindle power is 7.5 kW, rotation frequency of internal grinding spindle is 5000...45 000 rpm. Accuracy of rotation of indexing table Ø400 and 200 mm is 2.5 seconds.
  • Technical specifications
  • Design description
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  • Maximum diameter of the installed part
    450 mm
  • Maximum height of the installed part
    200 mm
  • Maximum mass of the workpiece to be installed
    1200 kg
  • Maximum dimensions of the processed grooves, width of the groove
    8...80 mm
  • Width of the work surface of the table
    600 mm
  • length of the work surface of the table
    1200 mm
  • longitudinal position of the table (the largest by stops)
    1330 mm
  • Cross-section of column, not less than
    500 mm
  • Vertical to the end of the vertical spindle
    680 mm
  • Grinding wheel spindle speed
    4000...45000 1/min
  • Limits of working feeds longitudinal travel of the table
    1-8 m/min
  • Limits of working feeds cross-section of the column
    0,3-20 mm/stroke
  • Limits of working feeds vertical travel of wheel head
    0,001...0,3 mm
  • Rotation accuracy of the dividing table ø 200, ø 400 mm
    2,5 sec
  • The number of T-shaped grooves in the precision indexing round tables diameter of the faceplate 200
    4
  • The number of T-shaped grooves in the precision indexing round tables diameter of the faceplate 400
    6
  • Outer diameter of the grinding wheel to be installed
    8...63mm
  • Height of the grinding wheel to be installed
    4...32 mm
  • Power of the wheel head electric spindle
    7,5 kW
  • Length of the machine with auxiliary equipment
    4560 mm
  • Width of the machine with auxiliary equipment
    3500 mm
  • Height of the machine with auxiliary equipment
    2700 mm
  • Weight of the machine with auxiliary equipment
    9500 kg

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