STUDER S242

STUDER S242

This STUDER S242 was manufactured in 2008, a cylindrical grinding machine known 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 comes equipped with shaft automation and grinding wheels and is still fully functional and powered on. Annual maintenance by Studer ensures its reliability. For further details about this machine, please contact us.

• Center 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 path: 850 / 1,600 mm
• Feed rate: 0.001–25,000 mm/min
• Resolution: 0.00001 mm
• Rotating turret
• 8-position: Capto 6 stationary
• 12-position: VDI 40 stationary
• 8-position: VDI 30 driven, stationary
• Max. spindle speed: 4,000 rpm
• Drive power: 2.5 kW
• Option: Active longitudinal measuring scale on the turret (Capto or VDI)
• Grinding spindle head
• Mounting angle: -25° / +25°
• Grinding speed: 50 m/s
• Grinding wheel size: Ø 400 x 50 (63) x 127 mm
• Internal grinding attachment
• Spindle positions on the rotating plate: 3
• Spindle position: 0° / +45°
• Automatic positioning in 3 positions
• Internal grinding spindle 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: MK4 / DIN 55026 A4
• Grinding load (surface grinding): 500 Nm
• Roundness accuracy: 0.0004 mm
• Workpiece tailstock (swiveling)
• Swivel range: 0–10°
• Resolution: 0.0001°
• Speed range: 1–4,000 rpm
• Drive power: 10.5 kW
• Tool holder: MKS / DIN 55026 A6
• Grinding load (surface grinding): 500 Nm
• Roundness accuracy: 0.0004 mm
• W-axis / tailstock
• Max. travel path: 450 / 1,650 mm
• Feed rate: 0.001–1,500 mm/min
• Fine adjustment for cylindricity corrections: ±0.01 mm
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• Option: Quill retraction ±0.40 mm
• Quill diameter: 60 mm
• Taper: MK4
• Quill stroke: 45 mm
• Optional synchronous tailstock: 1–7,500 rpm; Drive power 10.5 kW; Taper MK4 / DIN 55026 A4
• Dressing
• Stationary dressing tool, holder with MK1 taper
• Single-point diamond / short plate
• Dressing spindle with axial drive on swiveling holder: Ø 58 / 89 / 100 mm max
• Dressing spindle with axial drive at the rear: Ø 100 mm max
• Power requirements
• Total connected load: 45 kVA
• Minimum air pressure: 5.5 bar
• Total weight: 7,600 / 12,000 kg
• Condition and maintenance
• Still powered on and fully operational
• No rough grinding
• Annual maintenance by Studer

Additional equipment

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

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