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HYPROSTATIK Schönfeld GmbH Hydrostatic Lead Screws And Bearings

Description
Advantages over ball screws and rolling-element bearings at a glance: wear-free, as there is no contact during operation no loss of precision, even during long-term use at full load and maximum speed no friction at low speeds no friction force backlash when the direction of rotation changes translates even the smallest rotational movements no stick-slip effect even at low speeds no fluctuations in frictional torque due to ball circulation higher axial stiffness similar to ball screws significant improvement in damping, resulting in better workpiece surface finish and tool service life no oscillations due to ball circulation also suitable for high speeds and accelerations cost-effective alternative to the linear motor with greater precision and significantly lower heat generation significantly less power dissipation and, as a result, no problems with swarf on permanent magnets much lower cooling power than linear motors Special technical features at a glance: accommodates axial and radial forces as well as torques, suitable for one-sided lead screw support high-precision support of the lead screw double cone suspended between hydrostatic pockets in 'O' arrangement integrated volume regulation simply through pocket pressure, just a hydraulic connection required, no need for additional electronic controls all ingoing and outgoing feeders in the flange facing optional sealing on one side via sealing air, gap ring or sliding seal spindle ends can be designed to meet customer requirements The hydrostatic nut is adjusted for: axial loading in both directions max. rotational speed required stiffness Advantages of hydrostatic bearings compared to rolling-element bearings at a glance: wear-free, as there is no contact during operation no loss of precision, even during long-term use at full load and maximum speed no friction at low speeds no friction force backlash when the direction of rotation changes translates even the smallest rotational movements no stick-slip effect even at low speeds no fluctuations in frictional torque due to ball circulation significant improvement in damping, resulting in better workpiece surface finish and tool service life Special technical features of hydrostatic bearings for supporting the lead screw: accommodates axial and radial forces as well as torques, suitable for one-sided lead screw support high-precision support of the lead screw double cone suspended between hydrostatic pockets in 'O' arrangement integrated volume regulation simply through pocket pressure, just a hydraulic connection required, no need for additional electronic controls all ingoing and outgoing feeders in the flange facing optional sealing on one side via sealing air, gap ring or sliding seal

Suppliers

Company
Product
Description
Supplier Links
Hydrostatic Lead Screws And Bearings -  - HYPROSTATIK Schönfeld GmbH
Göppingen - Jebenhausen, Germany
Hydrostatic Lead Screws And Bearings
Hydrostatic Lead Screws And Bearings
Advantages over ball screws and rolling-element bearings at a glance: wear-free, as there is no contact during operation no loss of precision, even during long-term use at full load and maximum speed no friction at low speeds no friction force backlash when the direction of rotation changes translates even the smallest rotational movements no stick-slip effect even at low speeds no fluctuations in frictional torque due to ball circulation higher axial stiffness similar to ball screws significant improvement in damping, resulting in better workpiece surface finish and tool service life no oscillations due to ball circulation also suitable for high speeds and accelerations cost-effective alternative to the linear motor with greater precision and significantly lower heat generation significantly less power dissipation and, as a result, no problems with swarf on permanent magnets much lower cooling power than linear motors Special technical features at a glance: accommodates axial and radial forces as well as torques, suitable for one-sided lead screw support high-precision support of the lead screw double cone suspended between hydrostatic pockets in 'O' arrangement integrated volume regulation simply through pocket pressure, just a hydraulic connection required, no need for additional electronic controls all ingoing and outgoing feeders in the flange facing optional sealing on one side via sealing air, gap ring or sliding seal spindle ends can be designed to meet customer requirements The hydrostatic nut is adjusted for: axial loading in both directions max. rotational speed required stiffness Advantages of hydrostatic bearings compared to rolling-element bearings at a glance: wear-free, as there is no contact during operation no loss of precision, even during long-term use at full load and maximum speed no friction at low speeds no friction force backlash when the direction of rotation changes translates even the smallest rotational movements no stick-slip effect even at low speeds no fluctuations in frictional torque due to ball circulation significant improvement in damping, resulting in better workpiece surface finish and tool service life Special technical features of hydrostatic bearings for supporting the lead screw: accommodates axial and radial forces as well as torques, suitable for one-sided lead screw support high-precision support of the lead screw double cone suspended between hydrostatic pockets in 'O' arrangement integrated volume regulation simply through pocket pressure, just a hydraulic connection required, no need for additional electronic controls all ingoing and outgoing feeders in the flange facing optional sealing on one side via sealing air, gap ring or sliding seal

Advantages over ball screws and rolling-element bearings at a glance:

  • wear-free, as there is no contact during operation
  • no loss of precision, even during long-term use at full load and maximum speed
  • no friction at low speeds
  • no friction force backlash when the direction of rotation changes
  • translates even the smallest rotational movements
  • no stick-slip effect even at low speeds
  • no fluctuations in frictional torque due to ball circulation
  • higher axial stiffness similar to ball screws
  • significant improvement in damping, resulting in better workpiece surface finish and tool service life
  • no oscillations due to ball circulation
  • also suitable for high speeds and accelerations
  • cost-effective alternative to the linear motor with greater precision and significantly lower heat generation
  • significantly less power dissipation and, as a result, no problems with swarf on permanent magnets
  • much lower cooling power than linear motors

Special technical features at a glance:

  • accommodates axial and radial forces as well as torques, suitable for one-sided lead screw support
  • high-precision support of the lead screw
  • double cone suspended between hydrostatic pockets in 'O' arrangement
  • integrated volume regulation simply through pocket pressure, just a hydraulic connection required,
  • no need for additional electronic controls
  • all ingoing and outgoing feeders in the flange facing
  • optional sealing on one side via sealing air, gap ring or sliding seal
  • spindle ends can be designed to meet customer requirements

The hydrostatic nut is adjusted for:

  • axial loading in both directions
  • max. rotational speed
  • required stiffness

Advantages of hydrostatic bearings compared to rolling-element bearings at a glance:

  • wear-free, as there is no contact during operation
  • no loss of precision, even during long-term use at full load and maximum speed
  • no friction at low speeds
  • no friction force backlash when the direction of rotation changes
  • translates even the smallest rotational movements
  • no stick-slip effect even at low speeds
  • no fluctuations in frictional torque due to ball circulation
  • significant improvement in damping, resulting in better workpiece surface finish and tool service life

Special technical features of hydrostatic bearings for supporting the lead screw:

  • accommodates axial and radial forces as well as torques, suitable for one-sided lead screw support
  • high-precision support of the lead screw
  • double cone suspended between hydrostatic pockets in 'O' arrangement
  • integrated volume regulation simply through pocket pressure, just a hydraulic connection required, no need for additional electronic controls
  • all ingoing and outgoing feeders in the flange facing
  • optional sealing on one side via sealing air, gap ring or sliding seal
Supplier's Site

Technical Specifications

  HYPROSTATIK Schönfeld GmbH
Product Category Lead Screws and ACME Screws
Product Name Hydrostatic Lead Screws And Bearings
Screw Type Lead Screw
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