KRONOS L 660

The KRONOS L 660 offers high performance for machining large workpieces. The centerless grinding machine combines cost-cutting production advantages with the highest grinding quality.

Machine description:

  • Working range 5...250 mm, plunge length up to 655 mm
  • Thermally stable, vibration-damping GRANITAN® machine bed
  • Slide systems for grinding and regulating wheel side
  • CBN-capable up to 120 m/s
  • Hydrodynamic grinding and regulating spindles
  • Short set-up times thanks to modular dressing system
  • Designed for mass production
  • User-specific software for all centerless grinding requirements
  • Highest safety standard thanks to full enclosure
  • Maintenance and service friendly SIEMENS SINUMERIK 840D sl control system

Possible technologies:

  • Plunge cut grinding
  • Throughfeed grinding
  • Plunge cut grinding in mass production

Specifications

Workpiece diameter

mm

5-250

Workpiece length plunge cut grinding, max.

mm

655

Grinding wheel    

Grinding wheel diameter, max.  

mm

660

Grinding wheel width, max.

mm

660

Grinding wheel peripheral speed (optional CBN)       m/s 63 (90/120)

Grinding wheel driving power  

kW

51/95

Regulating wheel 

 

 

Regulating wheel diameter, max. mm 400
Regulating wheel width, max. mm 660
Regulating wheel rpm range, infinitely variable min-1           5-600
Regulating wheel driving power kW  12
     

SINUMERIK 840D sl control system