Kronos M 250 Modular and Flexible

Kronos M250 Centrless Grinding Machine.png
Kronos M250 Centrless Grinding Machine.png

Kronos M 250 Modular and Flexible


The KRONOS M 250 enables optimum adaptation to any grinding task. Thanks to its impressive system rigidity, the centerless precision grinding machine is the ideal solution for manufacturing workpieces of the highest quality.

Machine description:

  • Working range 1.5...100 mm, plunge cut length up to 245 mm
  • Thermally stable, vibration-damping GRANITAN® machine bed
  • High system rigidity thanks to regulating spindles supported on both sides and rigidly designed slide systems
  • Overhung grinding spindles
  • Grinding spindles mounted on hydrodynamic bearings (optional)
  • Designed for mass production
  • High cost effectiveness thanks to reduced cycle times
  • Optionally extendable if application requirements change
  • Highest safety standard thanks to full housing
  • Maintenance and service friendly SIEMENS SINUMERIK 840D sl control system

Possible technologies:

  • Plunge cut grinding
  • Throughfeed grinding
  • Plunge cut grinding in mass production
  • Surface grinding (grinding spindles mounted on hydrodynamic bearings)


Workpiece diameter: 1.5-100mm

In-feed grinding workpiece length max.: 245 mm

Grinding wheel   
Diameter:  max. 610 mm

Width: max. 250mm

Peripheral speed:  63 (120)

Driving power 22KW

Regulating wheel
Diameter, max. : 350mm
Width, max.: 250mm
rpm range, infinitely variable 5-600 rpm
Driving power: 5.7 Kw

SINUMERIK 840D sl control system

Download Kronos M Brochure

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