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Mikrosa Kronos S 125 CNC Centreless Grinding MachineHigh Precision and Cost Effective

The Mikrosa KRONOS S 125 CNC Centreless Grinding Machine offers maximum precision for small workpieces. The compact, versatile centerless grinding machine combines high speed with the highest quality.





  • Working range 0.5 to 30mm, plunge length up to 120mm
  • Highest values in cycle time and cost effectiveness
  • Short work-piece set-up and changeover times
  • Thermally stable, vibration-damping GRANITAN® machine bed
  • Cross-slide systems for grinding and regulating wheels
  • Grinding spindles mounted on hybrid bearings for maximum 120 m/s
  • Exact reproducibility of grinding results, even in tolerance ranges of ±0.5 µm
  • Designed for mass production
  • Highest safety standard thanks to the full machine enclosure
  • Maintenance and service friendly Siemens Sinumeric 840D sl control system

Possible technologies:

  • Plunge cut grinding
  • Throughfeed grinding
  • 15° inclined plunge cut grinding
  • Plunge cut grinding in mass production
  • Oscillation grinding
  • Grinding of multiple operations in a single cycle


Technical Specification:

Work-piece Diameter mm 0.5 - 30
Infeed grinding workpiece length max. mm 120
Grinding Wheel diameter max. mm 400
Grinding Wheel width max. mm 125
Peripheral speed (optional CBN) m/sec 60 (120)
Grinding wheel drive power max. kW 11 / 15
Regulating Wheel diameter max. mm 250
Regulating Wheel width max. mm 125
rpm range, infinitely variable rpm 5 - 500 
Driving Power kW 5
CNC Control   Siemens Sinumeric 840D sl


If you would like more information on any of the machines in the Mikrosa Centreless Grinding Machine Range then please contact us. You can also download brochures by following the link below.

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