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Oiles Self-Lubricating Bearings: Air Bearings

Oiless Air Bearings (OAB)

Oiles Air Bearings create an air film between the shaft and bearing to achieve non-contact movement.  They are free from stick-slip caused by solid friction and are applicable to high-speed rotation and high temperature applications. They feature high-precision due to the averaging effect of air.

Useable    Limited    Unusable    Not Applicable

Oiles Air Bearings (OAB) Suitable Applications
Air Water Sea Chemical Corrosive
Oiles Air Bearings
Nanometric accuracy, very high speed and very low coefficient of friction

Advantages

  • Originally developed porous material allows optimum compensation
  • Almost zero coefficient of friction
  • Excellent positioning control and very high accuracy
  • Integration of sintered layers with back metals simplifies machining
  • Demonstrates high load performance and high bearing rigidity
  • The flow rate may be adjusted easily by material design which allows for a broad range of customization
  • Excellent for high-safety applications since OABs are hard to seize even under the solid body
    contact condition
  • Easy to handle
  • OABs are economical and can reduce the flow rate remarkably in comparison with inherent-orifice or orifice compensations resulting in air source saving and running cost reductions
  • High-rigidity, high-speed and various other custom types and configurations in various shapes may be adopted according to applications

Straight and Flange Bushings

  • Usable as guides of minute positioning, pressure control, and for measurement of minute friction resistance
  • May be designed for high-rigidity, high-speed and other requirements as requested

Disc Pads and Plates

  • Usable as floating guide pads for high precision stages, etc.
  •  May be used as floating pads for non-contact conveyance
  •  May be freely designed as requested

Air Spindles

  • Offers submicron-order rotational accuracy
  • Usable as spindles of high precision machine tools and high precision measuring instruments
  • May be designed for high-rigidity, high-speed and other requirements as requested 

Pressure Vacuum Tools

  • Enables control of certain lifting amounts if air pressure and vacuum are used together
  • May absorb thin film sheets and very small works
  • May be freely designed as requested

For more detailed information including service range, mechanical properties, technical information, dimensional data and part numbers please download the following PDF or contact Application Support.

2010-11_Oiles_Air_Bearings.pdf (1.2 MB)


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