+49 7161 965959-0 info@hyprostatik.de

Spindle bearings – wear-free & with the patented PM controller

Make your production more efficient and cost-effective with our series spindles. For larger quantities and repeat orders, we are happy to offer you special designs where possible.

 

Advantages of hydrostatic spindle bearing arrangements HYPROSTATIK® system

  • Wear-free and thus service life-independent properties
  • exceptionally high runout and axial runout quality
  • High static as well as dynamic radial and axial stiffness
  • exceptionally high damping
  • Low friction and pump power due to our patented PM controller and optimal design by means of comprehensive calculation programs
  • Minimal temperature variation of a few °C due to suitable oil cooling and thermal insulation between motor and spindle bearings
  • excellent balance quality

Ensure above mentioned properties:

  • best workpiece surfaces, high tool life and stock removal rates
  • lowest possible molding defects and best concentricity as well as axial runout quality
  • High thermal stability almost independent of speed
  • Due to the absence of wear, high availability and
  • with crash-free operation, minimum maintenance costs and downtimes

Advantages of our PM controller on hydrostatic spindle bearings HYPROSTATIK® system

  • compared to solutions with capillaries power loss of up to 1/3(friction and pump power)
  • Higher functional reliability due to mathematically defined MMinimum gap
  • No reduction in permissible bearing load with increasing speed
  • Higher functional reliability and load capacity even at highest speeds due to the PM controller

Advantages through our calculation programs on hydrostatic spindle bearings system HYPROSTATIK®:

Our calculation programs allow an optimal design of hydrostatic spindle bearings against static and also dynamic loads.

Motor spindle bearings
Externally driven spindle bearings
Center bearings
Special bearings

MOTOR SPINDLE BEARINGS

Our aim is to further expand sales of the series spindles listed below.
For higher quantities and/or repeat orders, however, we also offer special designs to the extent possible.

Hydrostatic motor spindle for external grinding

  • Speed 0-7600 rpm
  • Pump pressure 63 bar
  • Oil type VG 2
  • Oil flow 10 l/min
  • max. Grinding force axial/radial 2000 N
  • Stiffness at grinding wheel > 320 N/µm
  • Engine power 50 kW
  • Friction power at max. Speed 1.2 kW
  • Distance axis to front edge of housing 105 mm
  • Prepared for automatic balancing systems
Hydrostat. Schleifspindeln / grinding spindle (286 KB)

Hydrostatic motor workpiece spindle

  • Speed 0-6000 rpm
  • Pump pressure 50 bar
  • Oil type VG 2
  • Oil flow 6 l/min
  • max. Grinding force axial/radial 500 N
  • Stiffness at workpiece approx. 80 N/µm
  • Engine power 6.3 kW
  • Friction power at max. Speed 0.6 kW
  • Distance axis to front edge of housing 65 mm
  • Radial and axial runout < 0.15 µm
  • Spindle passage 26 mm
  • Shaft height 65 mm
Technical data sheet workpiece spindles (904 KB)

Lathes motor spindle

  • Spindle mounting A8 according to DIN 55021
  • Speed 0-6000 rpm
  • Pump pressure 63 bar
  • Oil type VG 2
  • Oil flow up to 12 l/min
  • max. Cutting force axial/radial 10 kN
  • Bearing stiffness > 1000 N/µm
  • Friction power at max. Speed 1.3 kW
  • Radial and axial runout < 0.3 µm
  • Axle height 165 mm
  • Spindle bore Ø 80 mm
  • Integrated clamping cylinder, double acting
  • with index device 2.5
Technical data sheet workpiece spindles (904 KB)

Grinding spindles (both sides)

  • Speed 0-3000 rpm
  • Pump pressure 50 bar
  • Oil: VG 2.5
  • max. Flow rate 8 l/min
  • max. Grinding force axial/radial 600 N
  • Bearing stiffness axial/radial 1000/1000 N/µm
  • Power motor (S1) 15 kW
  • Moment at max. Speed (S1) 45 Nm
  • Friction power at max. Speed approx. 1.2 kW
Technical data sheet workpiece spindles (904 KB)

EXTERNALLY DRIVEN SPINDLE BEARINGS

Belt spindle for grinding

  • Speed 0-3000 rpm
  • Pump pressure 50 bar
  • Oil type VG 4
  • Oil flow 7.6 l/min
  • max. Grinding force axial/radial 2000/4000 N
  • Stiffness at grinding wheel > 400 N/µm
  • Friction power at max. Speed 0.8 kW
  • Distance axis to front edge of housing 100 mm
  • Prepared for automatic balancing systems

Hydrostatic workpiece spindle for direct drive

  • Speed 0-120 rpm
  • Pump pressure 50 bar
  • Oil type VG 10
  • Oil flow rate 2.6 l/min
  • max. Grinding force axial/radial 3000 N
  • max. Workpiece weight 2000 kg
  • Stiffness at grinding wheel > 2000 N/µm
  • Friction power at max. Speed 0.14 kW
  • Radial runout and axial runout < 0.30 µm
  • for magnetic discs Ø 1600 mm

Lathe main spindle

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

CENTER BEARINGS

Center bearing for double-sided grinding

  • Speed 0-2000 rpm
  • Pump pressure 40 bar
  • Oil type VG 4
  • Oil flow 7.2 l/min
  • max. Grinding force axial/radial 500 N
  • max. Moment on the bearing 60 Nm
  • Bearing stiffness axial/radial 600/400 N/µm
  • Friction power at max. Speed approx. 0.4 kW
  • Radial and axial runout measured < 0.2 µm
  • Diffuser Ø 90 mm

Center bearing for lathes

  • Workpiece clamping with internal collet
  • Speed 0-3000 rpm
  • Pump pressure 80 bar
  • Oil flow 30 l/min
  • max. Bearing force axial/radial 10/10 kN
  • max. Bearing torque 500 Nm
  • Bearing stiffness approx. 1250 N/µm
  • Friction power at max. Speed approx. 3.5 kW
  • Workpiece passage Ø 115 mm
  • Drive belt or gear

SPECIAL BEARINGS

Cam grinding spindle

  • Speed 0-25000/35000 rpm
  • Pump pressure 63 bar
  • Oil type VG 2
  • Oil flow 10 l/min
  • max. Grinding force axial/radial 750/500 N
  • Radial stiffness at grinding wheel 120/60 N/µm
  • Grinding power 9/6 kW
  • Friction power at max. Speed 0.9/0.6 kW
  • Distance axis to housing front edge 24/16 mm
  • For CBN wheels approx. Ø 70 / Ø 50

High frequency spindles

  • Spindle mount HSK40E
  • Speed 0-42000 rpm
  • Pump pressure 80 bar
  • Fluid: emulsion or desalinated water
  • max. Flow rate 10 l/min
  • max. Cutting force axial/radial 500 N
  • Bearing stiffness 200/160 N/µm
  • Power motor (S1) 15 kW
  • Moment at max. Speed (S1) 3.5 Nm
  • Torque at 500 rpm 4 Nm
  • Friction power at max. Speed approx. 4 kW
  • Tensioning of the tool holder automatically

Quill bearings

  • Pump pressure 32 bar
  • max. Flow rate 0.24 l/min
  • max. Radial force 2000 N
  • Radial bearing stiffness axial/radial 500 N/µm

Tailstocks

  • Constant runout < 0.2 µm
  • Maximum speed 0-1000 rpm
  • Intended radial load at the tip 2000 N
  • intended axial load 0-2650 N
  • radial stiffness of the front bearing 500 N/µm
  • Range of applicable oils depending on type VG2 – VG68
  • maximum oil flow bearing with oil VG32 1.9 l/min
  • Pump pressure 50 bar
  • Friction power at 1000 rpm approx. 180 W
  • Friction torque at 1000 rpm approx. 1.72 Nm

Tailstock for ultra precision machine

  • Speed 0-3000 rpm
  • Center height 90mm
  • Bearing force axial 5000N – radial 3200N
  • Bearing stiffness radial >800 N/µm – axial >1000 N/µm
  • Pump pressure 63bar
  • Oil viscosity VG2 – flow rate 5 l/min
  • Friction power max. 0,5 kW
  • Concentricity <0.15µm
  • Axial runout < 0.15µm
  • Rated power 7,5kW
  • Nominal torque 50 Nm

Hydrostatic swivel pocket

  • max. Force per pocket 50 kN
  • max. Speed 20 m/min
  • Recommended oil grade VG68
  • maximum oil flow approx. 0.4 l/min
  • Pump pressure 100 bar

Hydrostatic swivel pocket

  • Swivel pocket Ø250mm
  • for max. 920 m/min
  • Bearing Ø2000-7000mm
  • Axial force max.290 kN
  • Swivel angle 0.4
  • axial stiffness 1-17 kN/µm
  • Friction at n max. 100 N
  • Pump pressure 100 bar
  • Flow rate max.5,8 l/min (VG15)
  • Flow rate max.11,5 l/min (VG7)
  • Friction / cooling capacity for the table (VG15) with 10 pieces 9 /19 kW
  • Friction / cooling capacity for the table (VG7) with 10 pieces 12 / 24kW

Flyer download area

Everything about spindles and center bearings

Cover page of flyer Hydrostatic external grinding spindles

Hydrostatic grinding spindles

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(286 KB)

English cover page of Flyer Hydrostatic external grinding spindles

Hydrostatic grinding spindles

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(286 KB)

Cover page of flyer Hydrostatic internal grinding spindle

Hydrostatic internal grinding spindle

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English cover page of Flyer Hydrostatic internal grinding spindle

Hydrostatic internal grinding spindle

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(613 KB)

Cover page of Flyer Hydrostatic workpiece spindle 150mm

Hydrostatic workpiece spindle 150mm

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(252 KB)

English cover page of Flyer Hydrostatic workpiece spindle 150mm

Hydrostatic work head 150mm

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(297 KB)

Cover page of flyer Hydrostatic workpiece spindles

Hydrostatic value piece spindles

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(574 KB)

English cover page of Flyer Hydrostatic workpiece spindle 150mm

Hydrostatic work head

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Cover page of flyer Hydrostatic center bearings

Hydrostatic center bearings

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(235 KB)

English cover sheet of flyer Hydrostatic center bearing supports

Hydrostatic center work heads

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(235 KB)

+49 7161 965959-0

info@hyprostatik.de

Hyprostatik Schönfeld GmbH
Felix-Hollenberg-Str. 3
D-73035 Goeppingen

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