2012 Mikrosa Kronos S250 Centreless Grinding Machine
Description
Mikrosa Kronos S250 Centreless Grinding Machine
Machine Type: Centreless Grinding Machine
Year: 2012
Grinding Type: Plunge Cut & Through Feed Grinding of Small Parts
Control: Siemens Sinumerik 840D
Condition: Very Good
Notes: Machine is sold ex Works
Includes
Pak Automation/Kawasaki Loading/Unloading Robotic System
Tyco Fire Suppression System
Chiller
LTA Oil Mist Extraction
HKS Coolant Filtration System
Various Grinding Wheels
Grinding Wheel Stands
Machine Description
The Mikrosa KRONOS S 250 is a system for grinding small workpieces. Designed for infeed and throughfeed grinding, its high performance grinding wheel spindles and maintenance-free hybrid roller bearings make this machine ideal for high-speed CBN grinding technology. Multiple production, synchronization, and plunge cut grinding are a few of the machine's capabilities. The KRONOS S 250 is ideal for the production of high-quality small parts.
Thermally stable mineral casting machine bed with excellent vibration dampening
Cross slide systems with one X-axis and one Z-axis, X-axis feed increment 0.01 µm, glass scales standard
Maintenance-free regulating spindle, both sides mounted on roller bearings, regulating wheel rise/fall +40/-20 mm, swivel angle ±5 degrees
Grinding spindle with maintenance-free hybrid roller bearings, circumferential speed of grinding wheel max. 150 m/s (CBN), water-cooled drive motor 15 kW
Maximum profile accuracy through dressing in the center of the workpiece plane
Control panel swivels to the front and back
Highest safety standard provided by full enclosure
Service-friendly due to ease of accessibility of all units
Simple operation with Mikrosa-specific hardware
Technical Specifications
Min Workpiece Diameter: 1.5mm
Max Workpiece Diameter: 35mm
Max Workpiece Length for Infeed Grinding: 245mm
Grinding Wheel Dimensions: Ø 450 x 250 x 203.2mm
Grinding Wheel Peripheral Speed: 80m/s
Grinding Wheel Drive Power: 15kW
Regulating Wheel Dimensions: Ø 250 x 250 x 127mm
Regulating Wheel Speed: 5-500rpm
Regulating Wheel Dressing Speed: 1000rpm
Regulating Wheel Drive Power: 5kW
Axes: 5 - X,Z,X4,Z3,SS
Machine Dimensions: 6500x4600x2232mm
Machine Weight: 8,800kg
Specifications
| Manufacturer | Mikrosa |
| Model | Kronos S250 Centreless Grinding Machine |
| Year | 2012 |
| Condition | Used |
| Serial Number | 15001010 |
| Machine Type | Centreless Grinding Machine |
| Year | 2012 |
| Control | Siemens Sinumerik 840D |
| Condition | Very Good |
| Min Workpiece Diameter | 1.5mm |
| Max Workpiece Diameter | 35mm |
| Grinding Wheel Peripheral Speed | 80m/s |
| Grinding Wheel Drive Power | 15kW |
| Regulating Wheel Speed | 5-500rpm |
| Regulating Wheel Dressing Speed | 1000rpm |
| Regulating Wheel Drive Power | 5kW |
| Axes | 5 - X,Z,X4,Z3,SS |
| Machine Dimensions | 6500x4600x2232mm |
| Machine Weight | 8,800kg |