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  • Reference number Reference number 1049-653353
    Manufacture Year Manufacture Year 1969
    Operation Hours Operation Hours not applicable
  • Vendor

    Hans-Jürgen Geiger Maschinen-Vertrieb GmbH
    James-Watt-Straße 12
    72555 Metzingen
    Showroom Logo
  • Main Category

    Metal working machines
  • Category

  • Type of Machine

    Rotary table surface grinders with vertical spindle
  • Manufacturer

  • Technical data

    rotary table diameter
    1000 mm
    grinding height
    500 mm
    grinding head - power requirement
    15/5,5 kW
    total power requirement
    30 kW
    weight of the machine ca.
    18 t
    dimensions of the machine ca.
  • Description

    S I E L E M A N N (Germany)
    Hydraulic Rotary Table Internal and Face Grinding Machine
    with two grinding heads and with horizontal workpiece clamping
    Model RFsB 100
    Year 1969 / fully reconditioned by the manufacturer in 1990

    Max workpiece Ø 1,000 mm
    Max. height of workpiece, approx. 400 mm
    Mounting height under grinding spindles approx. 500 mm
    Grindable Bore Ø, approx. 50 – 900 mm
    Max. Workpiece weight approx.. 900 kg
    Distance between Table bore and column 1.150 mm

    Table Ø / Face plate Ø, approx. 1,000 mm
    Table speeds, hydraulic, infinitely variable, right/left 5 – 60 rpm
    Table/workpiece infeed, 5 steps 0.0025 – 0.025 mm/stroke
    Table stroke approx. 500 mm
    Distance between grinding spindle and machine body 600 mm
    Surface Grinding Head Ø (Segmented wheel) 450 mm

    Grinding slides stroke, max. 500 mm
    Grinding slide speeds, infinitely variable 0.2 – 1 m/m
    Max. Internal Grinding spindle Ø 140/100 mm
    Grinding cup wheel Ø, up to approx. 200 mm

    Motor for Surface Grinding 15 kW / Motor for Internal Grinding Spindle 5,5 kW
    Total electrical load, approx. 30 kW - 380 V - 50 Hz
    Weight, approx. 18,000 kg

    Accessories / Special Features
    • The rotary table carries the workpiece and is also actuating the automatic
    grinding infeed
    • The relevant Grinding head can be swivelled in by turning the Column
    (hydraulic lift) so the workpieces can be ground in one setting with exact
    • Built-on magnetic face plate, Ø approx. 1,000 mm, with 5 T-slots and
    stepless adjustment for the magnetism
    • Automatic workpiece infeed, with automatic depth stop.
    • Separate Height adjustment of internal grinding head, Grinding
    spindle Ø 100 mm.
    • Dressing devices mounted on each grinding head, Separate Switch Cabinet
    and hydraulic unit,
    • No Coolant Device available

    This machine is ideal for grinding bulky and heavy workpieces like housings,
    gears (!) bearing rings, cylindrical knives, etc.

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

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