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Geiger Maschinen-Vertrieb


Hans-Jürgen Geiger Maschinen-Vertrieb GmbH
James-Watt-Str. 12
72755 Metzingen
+49 (0)7123/18040
+49 (0)7123/18384

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Asking price

  • Reference number 1049-746719
    Manufacture Year 1982
    Operation Hours not applicable
  • Metal working machine
  • Thread & Worm Machinery
  • Thread & Worm Grinders
  • thread dia.
    150 mm
    grinding length
    1000 mm
    thread pitch
    300 mm
    total power requirement
    25 kW
    weight of the machine ca.
    6000 kg
    dimensions of the machine ca.
  • M A T R I X (England)
    Thread Grinding Machine for Ball Screw Spindles
    Model No 47 M/C / Mac.Nr. 5174 - TAH 1212 / Year 1982 / 2012
    in 2010 Retrofitted CNC – Cycle Control Make SIEMENS -Germany

    Grinding length / table stroke approx. 1.000 mm
    Max. workpiece clamping length 900 mm
    Height of Centers 180 mm
    Workpiece / thread Ø, min./max. realistic. 10 – 150 mm
    Max. weight of workpiece, approx. 300 kg

    Pitch range, min./max. 0.3 – 300 mm
    Max. helix angle + / - 45 °

    Grinding wheel dimensions, Ø x width approx. 500 x 50 mm
    Manual adjustment of X Axis approx. 200 mm

    Workpiece speeds C Axis approx. 1 - 120 rpm
    Grinding wheel speeds 1.000 – 5.000 rpm

    Spindle drive, approx. 8 kW
    Total electric load 25 kW - 400 V - 50 Hz
    Weight 6,000 kg

    Accessories / Special Features:

    * The machine was originally built as a conventional Worm Grinder, however
    it was retrofitted in the Year 2010 by the previous Owner with a
    CNC-based cycle Control Make SIEMENS with a modern Touchscreen Control
    Panel suitable for a direct Input of the relevant grinding data.
    We have 3 axis i.e. Z= longitudinal Tablemovement, C = Workpiecerotatian
    (both together generates the lead)and V = vertical infeed axis for the
    Dressing Slide.
    * Semi automatic grinding process with presettable table start point and
    end point, steplessly adjustable lead and leadcorrection, adjustable
    speeds for grinding wheel and dressing profile tool, preadjustable
    vertical infeed of dressing tool
    * Motor-driven crusher unit, mounted above the grinding wheel.
    * Manually swivable Grinding head up to 45 °
    * Manual tailstock with expansion compensation.
    * Two pieces of 3-point work steadies for the support of longer workpieces,
    Separate switch cabinet.
    * complete cover of the working area with sliding doors,
    The Machine was connected to a central coolant supply system, therefore a
    coolant device is not available.

    This machine is ideal for grinding heavy ball screw spindles and could be also used as a basis for a new

    Condition : Good . Machine can be soon inspected under power.
    Delivery : Ex stock as inspected.
    Payment : Net, after conclusion of contract.

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