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Motion Control Resources

Rotary Air Bearings and Motorized Air Bearing Rotation Stages - PI

PI (Physik Instrumente) LP

Rotary Air Bearings provide High Precision Motion with Minimal Eccentricity and Wobble. The rotary air bearing on the left is non motorized – its low friction is apparent from the long time it keeps spinning. The smaller A-623 rotary air bearing stage on the right is equipped with a torque motor and high resolution encoder (0.024µrad). It is driven by an PI / ACS motion controller.


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