Air Bearing Rotary Table AT300
Description
ABTech’s precision air bearing rotary tables address the metrology needs for different weights and part size. Built for the most demanding applications, every table provides ultra-smooth motion, sub-micron accuracy and absolute repeatability. Designed and manufactured in-house to extremely tight geometric tolerances, air bearings have no mechanical contacting parts to wear or create drag. This allows for decades of reliable maintenance-free motion. ABTech’s AT models come standard with dual element filter/regulators and are commonly used as the core axis in equipment checking total indicator reading (TIR), roundness, flatness, squareness, perpendicularity, concentricity and parallelism measurements. They are ideal as stand-alone units for checking runout of turned parts, optical lens alignment, assembly applications, precision indexing, and light machining or grinding.
Air Bearing Rotary Table AT300
Specifications |
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|---|---|
| Vacuum Compatible: | Yes |
| Built-in Controller: | Yes |
| Range: | 90 degrees |
| Unidirectional Accuracy: | 0.0000572 degrees |
| Repeatability: | Not Specified |
| Backlash: | -- degrees |
| Encoder Resolution: | -- CPR |
| Stage Diameter: | 305 mm |
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Frequently Asked Questions
Air bearings provide ultra-smooth, repeatable, and maintenance-free motion due to their frictionless operation and lack of mechanical contacting parts.
The standard air bearings deliver radial and axial error motion of <2.0µ” (50.0 nanometers) and angular errors (coning) of 1.0µ” (25.0 nanometers/25mm).
Yes, custom configurations can be made to achieve radial and axial error motion as low as 1.0µ” (25.0 nanometers) and angular errors (coning) of 0.5µ” (12.5 nanometers/25mm).
Yes, the air bearings in ABTech's rotary tables are made with hardened 440C stainless steel components, ensuring durability and longevity even in harsh environments.
ABTech offers options such as motor drives and controls, encoders and digital readouts, vacuum feed through the center, custom bolt patterns, and various accessories like precision centering fixtures, gage stands, and granite surface plates.