Externally-driven spindle bearings

Belt-driven grinding spindle

Technical data:

  • Rotational speed 0-3000 rpm
  • Pump pressure 50 bar
  • Oil type VG 4
  • Oil flow 7.6 l/min
  • Max. axial/radial grinding force 2000/4000 N
  • Stiffness on grinding wheel > 400 N/µm
  • Friction power at max.rotational speed 0.8 kW
  • Clearance between axle and front edge of housing 100 mm
  • Prepared for automatic balancing systems

Hydrostatic direct-drive workpiece spindle

Technical data:

  • Rotational speed 0-120 rpm
  • Pump pressure 50 bar
  • Oil type VG 10
  • Oil flow 2.6 l/min
  • Max. axial/radial grinding force 3000 N
  • Max. workpiece weight 2000 kg
  • Stiffness on grinding wheel > 2000 N/µm
  • Friction power at max. rotational speed 0.14 kW
  • Radial and axial running < 0.30 µm
  • For magnet discs Ø 1600 mm

Lathe main spindle

Technical data:

  • A5 spindle holder according to DIN 55021
  • Rotational speed 0-7000 rpm
  • Pump pressure 80 bar
  • Oil type VG 2
  • Oil flow with rotating oil feed 21 l/min
  • Max. axial/radial cutting force 6.3 kN
  • Bearing stiffness > 1000 N/µm
  • Rated power (S1) 20 kW
  • Rated torque (S1) 125 Nm
  • Friction power at max. rotational speed max. 3.6 kW
  • Spindle Ø 42