Verified seller 
Studer S31cnc cylindrical grinding machine for sale by auction
≈ $8,925
Mönsheim
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Travel distance: up to approx. 370 mm
Maximum travel speed: approx. 15,000 mm/min
The X-axis is used to feed the grinding wheel in the radial direction and enables high feed speeds with high positioning accuracy at the same time.
Z-axis (longitudinal axis):
Travel distance: up to approx. 500 mm
Maximum travel speed: approx. 20,000 mm/min
It takes over the longitudinal movement along the workpiece and allows efficient longitudinal grinding.
B-axis (grinding head rotation):
Resolution: 0.001° to approx. 0.00005°
The high-resolution B-axis enables precise swivelling of the grinding head, which allows different grinding operations to be carried out with the highest angular accuracy.
Spindle and drive technology:
Chuck workstock ISO 50, high accuracy
High-pressure cooling system for optimal cooling and chip removal
3Nine suction for efficient oil mist separation
Dressing option for precise profiling of the grinding wheels
Vacon frequency converter for infinitely variable speed control
Grinding wheels:
1× CBN Grinding Wheel: 500 × 30 × 203.2mm R3
1× CBN Grinding Wheel: 500 × 30 × 203.2 mm R1
Two grinding motors for the operation of both grinding wheels
Technical performance data:
Max. workpiece weight between tips: approx. 150 kg
Max. grinding wheel diameter: approx. 508 mm
Max. speed: approx. 3,200 rpm
Spindle motor power: approx. 3–7.5 kW
Overall dimensions of the machine:
circa. 2,897 × 2,184 × 2,007 mm
The machine is therefore suitable for high-precision external cylindrical grinding work in continuous industrial operation.