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PI is a leading manufacturer of precision motion control and automation systems, hexapod 6-axis parallel robotic stages, air bearing motion systems, Gantry Systems, 3D printing, laser machining, and piezoelectric nano-positioning solutions. Applications include photonics, semiconductor technology, medical engineering, assembly, inspection,

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Rotary Air Bearings and Motorized Air Bearing Rotation Stages

POSTED 08/07/2019

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.