Luftlager in verschiedenen Ausführungen
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Round Air Bearing In Flat Design
For smooth storage, no maintenance and smooth running

Luftlager rund

With an air bearing, you have contactless and therefore friction-free bearings. This is achieved with a thin layer of compressed gas. The air serves as a lubricant that flows out of porous material. This allows you to move your load with high precision, dynamically and smoothly.

A flat air bearing, shown here with a round design, glides on a smooth surface. The latter can be made of glass, aluminum, granite or other materials. As the movement is frictionless, there is no jerking or breaking loose, which is the case with conventional bearings. Therefore, use air bearings if you need trouble-free movement.

Conventional bearings heat up and radiate heat into the overall system. If you need to avoid this heat source, you can achieve this with an air bearing.

 

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Your advantages of an air bearing

  • Icon Vorteil Infinite service life, as maintenance-free.
  • Icon Vorteil Fast and smooth movements that do not jerk even at the highest resolution.
  • Icon Vorteil Much more precise positioning is possible with air bearings.
  • Icon Vorteil There is no loss of energy and no source of heat due to friction.
  • Icon Vorteil Free of lubricants or other lubricants.

Features

  • Icon MerkmalHousing material made of 7075 Al/anodized
  • Icon MerkmalAir-permeable graphite material

Models 1/2

Characteristics Unit OAVR025R OAVR040R OAVR050R OAVR065R OAVR080R
OD Ø mm 25 40 50 65 80
Lagerhöhe mm 13 13 13 20 20
Air gap µm 5        
Flatness mm 0,0005        
Inlet pressure MPa 0.28 - 0.68        
Air connection   M3 x 0.5 M5 x 0.8 M5 x 0.8 M5 x 0.8 M5 x 0.8
Nennlast N 101 240 374 645 989
Steifigkeit N/µm 18 23 37 64 98
Gewicht g 14 34 61 149 231
Luftverbrauch* m³/h 0,037 0,057 0,071 0,091 0,113

Models 2/2

Characteristics Unit OAVR100R OAVR125R OAVR150R OAVR200R
OD Ø mm 100 125 150 200
Lagerhöhe mm 25 35 50 70
Air gap µm 5      
Flatness mm 0.0005      
Inlet pressure MPa 0.28 - 0.68      
Air connection   M5 x 0.8 M5 x 0.8 M5 x 0.8 M5 x 0.8
Nennlast N 1576 2478 3583 6241
Steifigkeit N/µm 156 237 350 630
Gewicht g 436 1028 2085 4765
Luftverbrauch* m³/h 0,144 0,181 0,218 0,286

*Applies at temperature 0° C and air pressure 101.325 Pa (1.01325 bar)

Standards and guidelines

  • Icon NormREACH
  • Icon NormRoHS2

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FAQ

Can another gas also be used? Compressed air is commonly used in industrial applications. Compressed nitrogen is also possible, but this also changes the air bearing values. All specifications must be considered when using compressed air.
How clean must the supply air be? Cleanliness class between 3 and 4 of ISO 8573.1
How are air bearings maintained? The air bearings are maintenance-free.
Can I clean the surface? Use a soft cloth with isopropyl alcohol and let it dry.
How do I install an air bearing? Please read the instructions before starting. Each type of air bearing must be installed differently and this should be taken into account at the design stage.
How does an air bearing maintain stability and damping effect? Air bearings are coated with a special epoxy resin that seals the pores on the surface where no airflow is desired. The design thus forces the airflow in the direction of the friction-free surface. This results in greater rigidity, more stability and better damping properties.


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