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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 1049-729433
    Manufacture Year not applicable
    Operation Hours not applicable
  • Metal working machine
  • Thread & Worm Machinery
  • Thread & Worm Grinders
  • workpiece diameter
    200 mm
    threading length
    450 mm
    thread pitch
    80 mm
    total power requirement
    10 kW
    weight of the machine ca.
    3000 kg
    dimensions of the machine ca.
  • R E I S H A U E R (Switzerland)
    Universal Thread, Worm- and Ballscrewspindle Grinding Machine
    Model NRK Ser.-Nr. 486
    Older vintage but modernized in 2005 with a SIEMENS-Control System
    for 6 axis

    Distance between centres 700 mm
    Grinding length 450 mm
    Workpiece-? min./max. 3 – 200 mm

    Lead range for single-rib wheels min./max. 0,3 – 80 mm
    Lead range for multi-rib wheels 0,6 – 6 mm
    Max. lead angle 2 x 25 °

    Grinding wheel dimensions, diam. x width 350 x 20/40 mm
    Grinding wheel speeds steplessly adjust. 2,500 rpm
    -Crushing/dressing speed approx.. 100 rpm
    Workpiece speed approx. 0 – 30 rpm

    Spindle drive approx. 3 kW
    Total electrical load approx.. 10 kW - 380 V – 50 Hz
    Weight approx. 3.500 kg

    Accessories / Special Features

    • Older model which was retrofitted in 2005 with a SIEMENS based
    CNC-control system
    6 axis = Crushing device (2axis), Grinding wheel drive, Workpiece head,
    Table movement,and Grinding slide infeed movement.
    All grinding cycle data can be directly setted at the SIEMENS Control
    unit with Monitor, all Positions and Errors are reported.
    • 2-Axis Grinding wheel crushing device mounted above the grinding wheel
    with infeed and diamant dressing tool motorized by SIEMENS Motors, and
    probably with compensation.
    • Grinding wheel driven with a SIEMENS DC Motor, directly flanged onto
    • Workhead drive and table movement each with a SIEMENS Motor
    • Grinding slide infeed and withdraw actuated by SIEMENS Motor and a angle
    gear box
    • Complete working area cover with sliding door.
    • Separate Switch cabinet, various flanges with/without grinding discs,
    Central Lubrication unit, etc.
    Actually there is no Coolant device available but can be connected to a
    central coolant supply System. Unfortunately there is no handbook and
    electric diagram available.

    Condition : good according to the age - came out from current
    production of ball screw spindles !
    Delivery : ex stock – as inspected
    Payment : net – after completion of contract

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