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