KRONOS S 250
The KRONOS S 250 is designed for plunge cut and throughfeed grinding of workpieces in the diameter range of 1.5 to 35 mm and with a plunge cut width up to 245 mm. The perfect machine for the mass production of small precision workpieces.
Machine description:
- Working range 1.5...35 mm, plunge cut length up to 245 mm
- Highest values in cycle time and cost effectiveness
- Short 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 max. 150 m/s
- Exact reproducibility of grinding results, even in tolerance ranges of ±0.5 µm
- Designed for mass production
- Highest safety standard thanks to full enclosure
- Maintenance and service friendly SIEMENS SINUMERIK 840D sl control system
Possible technologies:
- Plunge cut grinding
- Throughfeed grinding
- 6° inclined plunge cut grinding
- Plunge cut grinding in mass production
- Oscillation grinding
- Grinding of multiple operations in one cycle by offsetting the workpiece or grinding spindle
Specifications
Workpiece diameter |
mm |
1.5-35 |
Plunge grinding workpiece length max. |
mm |
245 |
Grinding wheel | ||
Grinding wheel diameter, max. |
mm |
450 |
Grinding wheel width, max. |
mm |
250 |
Grinding wheel peripheral speed (optional CBN) | m/s | 80 (120/150) |
Grinding wheel driving power |
kW |
11/15 |
Regulating wheel |
|
|
Regulating wheel diameter, max. | mm | 250 |
Regulating wheel width, max. | mm | 250 |
Regulating wheel rpm range, infinitely variable | min-1 | 5-500 |
Regulating wheel driving power | kW | 5 |
SINUMERIK 840D sl control system |