Technical Data for ELKA Precision's 25,000RPM maximum speed hydrostatic milling spindle:

• Maximal Speed:
  25,000 RPMs
• Built-In Permanent Magnets Motor
• Maximal continuous power:
  34 kW
• Feedback: Minicoder
• Oil Viscosity @ 40 Degrees C:
  2.2 cst
• Supply Pressure:
  60 Bars
• Radial Error Motion:
  <0.06 micrometers
• Axial Error Motion:
  <0.10 micrometers
• Friction Power @ Maximal Speed:
  14 kW
• Flow Rate at 60 Bar Supply Pressure:
  16 liters/min
• Oil Pumping Power:
  1.6 kW
• Heat Generated by Motor
  Windings at Maximal Load:
  3 kW
• Total Heat Generation to be Compensated:
  15.8 kW (14,000 kcal/hour)
• Axial Stiffness:
  220 N/micrometer
• Axial Load Capacity:
  2,7500 N
• Radial Stiffness at the Shaft Front End:
  140 N/micrometer
• Radial Load Capacity
  at the Shaft Front End:
  1,650 N
• Spindle Housing Cartridge Diameter:
  180 mm
• Total Spindle Length:
  410 mm

Contact ELKA Precision today for more information on our 25,000 RPM hydrostatic spindle, or your custom hydrostatic needs.

Accuracy & Reliability
ELKA Precision hydrostatic spindles have proven to provide extremely precise milling capabilities, and will maintain excellent performance even in the toughest situations. Our spindles are currently used throughout the world for a variety of precision applications, and can be custom-fitted to suit your exact specifications. With precise rotational accuracy and lasting vibration resistance, our 25,000 RPM spindle has tested accurate, is proven to be dependable and is ready to provide you with unmatched milling efficiency and quality.

25,000 RPM Hydrostatic Milling Spindle
Dynamic Response at the Shaft Front Flange to 100 N Force

ELKA’s Precision offers a wide range of hydrostatic work head grinding spindles, milling spindles and internal grinding spindles. Please contact us for more information on our 25,000 RPM spindle, or for any of your hydrostatic grinding needs.