STUDER S242

STUDER S242

This STUDER S242 was manufactured in 2008 – a cylindrical grinding machine renowned for its robustness and precision. It features a swing diameter of 180 mm, a maximum workpiece weight of 20 kg, and a grinding spindle speed of up to 50 m/s. The machine is equipped with shaft automation and grinding wheels and remains fully functional and powered on. Annual servicing by Studer ensures its reliability. For further information about this machine, please contact us.

• Centre distance: Short (2 cross slides) 400 mm; Long (2 cross slides) 800 mm; Long (3 cross slides) 800 mm
• Swing diameter: 180 mm
• Max. workpiece weight: 20 kg
• X-axis (cross slide)
• Feed rate: 0.001-1,500 mm/min
• Resolution: 0.00001 mm
• Z-axis (longitudinal slide)
• Max. travel: 850 / 1,600 mm
• Feed rate: 0.001-25,000 mm/min
• Resolution: 0.00001 mm
• Indexing turret
• 8-station: Capto 6 static
• 12-station: VDI 40 static
• 8-station: VDI 30 driven/static
• Max. drive speed: 4,000 rpm
• Drive power: 2.5 kW
• Option: Active linear scale on the turret (Capto or VDI)
• Grinding spindle head
• Mounting angle: -25° / +25°
• Grinding speed: 50 m/s
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• Grinding wheel size: Ø 400 x 50 (63) x 127 mm
• Internal grinding unit
• Spindle positions on the indexing disk: 3
• Spindle positions: 0° / +45°
• Automatic positioning in 3 positions
• Internal grinding spindle speed range: 1,200–120,000 rpm
• Available spindle speeds: 24,000–120,000 rpm
• Workpiece spindle head (fixed)
• Speed range: 1–7,500 rpm
• Drive power: 10.5 kW
• Tool holder: MT4 / DIN 55026 A4
• Flat grinding torque: 500 Nm
• Roundness accuracy: 0.0004 mm
• Workpiece headstock (swivelling)
• Swivel range: 0–10°
• Resolution: 0.0001°
• Speed range: 1–4,000 rpm
• Drive power: 10.5 kW
• Tool holder: MT5 / DIN 55026 A6
• Flat grinding torque: 500 Nm
• Roundness accuracy: 0.0004 mm
• W-axis / tailstock
• Max. travel: 450 / 1,650 mm
• Feed rate: 0.001–1,500 mm/min
• Fine adjustment for cylindrical corrections: ±0.01 mm
• Option: Quill retraction ±0.40 mm
• Quill diameter: 60 mm
• Taper: MT4
• Quill travel: 45 mm
• Optional synchronous tailstock: 1–7,500 rpm; drive power 10.5 kW; taper MT4 / DIN 55026 A4
• Dressing
• Stationary dressing tool, holder with MT1 mounting
• Single-point diamond / shortened plate
• Dressing spindle with axial drive on swivelling holder: Ø 58 / 89 / 100 mm max.
• Dressing spindle with axial drive on rear: Ø 100 mm max.
• Electrical data
• Connected load total: 45 kVA
• Minimum air pressure: 5.5 bar
• Total weight: 7,600 / 12,000 kg
• Condition and servicing
• Still powered on and fully functional
• No rough grinding operations performed
• Annual maintenance by Studer

Additional equipment

• Shaft automation (included in delivery)
• Grinding wheels (included in delivery)

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