Help with Air Bearings facets:
Shape
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| Cylindrical / Bushing | The shape of the air bearing is formed as a cylinder. The application would be for air bushings running on a round rail. | ||
| Dovetail | Dovetail is a type of air bearing shaped somewhat like a wedge. The bearing surrounds the rail it runs on three sides - the top and the two sides. | ||
| Flat, Rectangular / Square | Air bearings that are flat or low profile and square or rectangular in shape. | ||
| Flat, Round | Air bearings that are flat or low profile and round in shape. | ||
| Spherical | The shape of the air bearing is like a ball, which sits inside a matching shaped housing. There is a platform on the sphere for mounting equipment. | ||
| Other | Other unlisted, specialized or proprietary configurations. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Specifications
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| Load Capacity: | The load the air bearing is rated to carry. | ||
| Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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| Stiffness | Every air bearing has a stiffness number. This is important in metrology applications and where heavy loads are present. High stiffness translates into very low deflection and, hence, very low measuring error. | ||
| Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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| Design Units: | |||
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| English | Units are inches or fractions of an inch. | ||
| Metric | Units such as millimeters or centimeters. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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| Nominal Size / Bore: | Nominal size or bore for any of the bearing types listed. In general, this field corresponds to: Cylindrical Bushing: Bore or I.D. Dovetail: Nominal Rail Size Flat: Short Side for Square / Rectangular Flat: Diameter for Round Spherical: Nominal Sphere Radius | ||
| Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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Technology Used
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| Porous Media | Porous media feeds air to where it is needed by pushing air through the entire porous surface. Some examples of the types of porous media commonly used are bronze, carbon, and steel. | ||
| Orifice | Orifice openings are small holes through the bearing block through which air is fed to the surface. The sizes range from .004 inches to .015 inches diameter. | ||
| Other | Other unlisted, specialized, or proprietary configurations. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Preload Method
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| Magnetic | Magnetic preload is used to maintain a constant distance between the surface and the air bearing. This ensures optimum performance. | ||
| Opposing Air | A form of preloading where the air bearing has equal force applied on two sides. Opposing air is used for air bearings that run in a slotted rail. | ||
| Vacuum | Vacuum preload is used to maintain a constant distance between the surface and the air bearing. Vacuum is applied to remove air under the air bearing and maintain height. | ||
| Weight | Weight preload is used to maintain a constant distance between the surface and the air bearing. This ensures optimum performance. | ||
| Other | Other unlisted, specialized, or proprietary configurations. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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