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About Rotary Stages
Rotary stages are mechanical devices that are used to rotate objects in motion control applications. There are several basic types of products. Rotary positioning stages use rotating tables, shafts, or rings to move objects in a circular motion. Inclination positioning stages also rotate objects, but according to the angular attributes of a table or similar device. Cradle positioning stages or goniometers use an external axis of rotation. Instead of rotating around the center of the stage, these devices rotate around a point in space. By contrast, gimbal-mounted stages locate the axis of rotation on a yoke-like device which allows both rotation and inclination. Bare-slide rotary stages do not include a lead screw and are suitable for basic applications. Manually-powered devices use a screw or shaft and are actuated with a hand crank. Devices that are driven by an AC motor, stepper motor, brushed DC servo motor, or brushless DC servo motor are commonly available. Direct drives are used to couple tables to drive shafts or screws. Gears pass the drive mechanism through a gear train to the table drive. Belt and pulley drives are used to separate the drive mechanism from the output axis.
Engineering Web: Rotary Stages - Machine Design
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Rotary Stages | Machine Design The stages can also be configured as multiaxis gimbals. |
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Large-Aperture Rotary Stages | Machine Design Large-Aperture Rotary Stages December 14, 2006 |
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Piezomotors For Linear Or Rotary Motion | Machine Design Piezomotors For Linear Or Rotary Motion |
