Rotary Air Bearings

Sept. 14, 2006
The ABRS Series of rotary air bearings feature angular positioning, velocity stability, and error-motion performance in a low-profile package.

A clear aperture improves product feed-through, laser-beam delivery, and cable clearance. Large air-bearing surfaces increase stiffness and load capacity, which improves axial, radial-error, and tilt-error motions. Reduced face-error motion boosts planar performance. The Series utilizes S-Series, slotless, brushless motors with advanced magnetic circuitry for high torque with minimal heat. The slotless design is zero cogging and torque-ripple-free. An optical encoder is standard. When coupled with the manufacturer's feedback multipliers and controls, resolutions of <0.03 arc-sec are possible.

Aerotech Inc., 101 Zeta Dr., Pittsburgh, PA 15238, (412) 967-6854, aerotech.com

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