Grinding Machine Model


Mikrosa KRONOS S 250
Straight Plunge or Angle Centerless Grinding Machine

PRODUCT
Mikrosa Kronos S 250 Centerless Grinding Machine
Kronos S 250  
Kronos S 250
 

Precision for Small Workpieces

 

The Mikrosa KRONOS S 250 is a new 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.


 

Design Highlights:

  • 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 
  • Optional use of diamond dressing disc, diamond profile roll or fixed tool thanks to simple replacement of the dressing shaft (swiveling +3°/0°/-3°)
  • 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


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SPECS

KRONOS S 250

Straight Plunge or Angle Centerless Grinding Machine
Grinder Type: Centerless
Machine Opertaion: CNC
CNC Brand: Siemens 840D
WORKPIECE ENVELOPE
Grinding Length: 9.645 Inches Length: 245.000 mm
OD Grinding Diameter(s) Min: 0.059 , Max: 1.378 Min: 1.500 mm , Max: 35.000 mm
GRINDING WHEEL AND SPINDLE
Grinding Wheel Dia.: 17.716 Inches    Width: 9.800 Inches    Bore: 7.992 Inches    Dia.: 450.000 mm    Width: 250.000 mm    Bore: 203.200 mm   
Wheel Head Motor: 20.00 hp Motor: 15.00 kW   Angle Adjustment: 6°
Regulating Wheel   Speed: 1,000 rpm  Opt. 500
GRINDING FEATURES
Constant Surface Speed Control
Specify Thrufeed, or Infeed Type
WEIGHTS AND MEASURES
Machine Length: 124 Inches 3,200 mm
Machine Width: 78 Inches 2,000 mm
Machine Height: 83 Inches 2,100 mm
Machine Weight: 17,600 lbs 8,000 kg
CHANNEL PARTNERS
amt Modern Machine Shop Production Machining Moldmaking Technology