Technical Data for ELKA Precision's 12,000RPM maximum speed hydrostatic work head grinding spindle:

• Maximal Speed:
  12,000 RPMs
• Built-In Permanent Magnets Motor
• Constant Continuous Torque:
  15 Nm
• Maximal continuous power:
  12.5 kW
• Feedback is PARVEX resolver
  model CB 102
• Oil Viscosity @ 40 Degrees C:
  2.2 cst
• Supply Pressure:
  60 Bars
• Radial Error Motion:
  <0.04 micrometers
• Axial Error Motion:
  <0.10 micrometers
• Friction Power @ Maximal Speed:
  4.2 kW
• Flow Rate at 60 Bar Supply Pressure:
  8.6 liters/min
• Oil Pumping Power:
  0.86 kW
• Heat Generated by Motor
  Windings at Maximal Load:
  0.81 kW
• Total Heat Generation to be Compensated:
  5.8 kW (5,000 kcal/hour)
• Axial Stiffness:
  330 N/micrometer
• Axial Load Capacity:
  4,200 N
• Radial Stiffness at the Shaft Front End:
  210 N/micrometer
• Radial Load Capacity
  at the Shaft Front End:
  2,800 N
• Spindle Housing Cartridge Diameter:
  170 mm

Contact ELKA Precision today for more information on our 12,000 RPM hydrostatic spindle, or your custom hydrostatic needs.

Accuracy & Reliability
Every ELKA Precision hydrostatic spindle has proven to provide extremely precise grinding capabilities, and will maintain grinding excellence 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 12,000 RPM spindle has tested accurate, is proven to be dependable and is ready to provide you with unmatched grinding efficiency and quality.

12,000 RPM Hydrostatic Work Head Grinding 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 12,000 RPM work head spindle, or for any of your hydrostatic grinding needs.