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Outer Diameter, d (mm) |
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Dimensions a x b x c (mm) |
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Height, c (mm) |
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Vernier Resolution (arcmin) |
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Minimum Incremental Motion |
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Load Capacity (kg) |
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Type |
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Material |
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Finish |
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Fine Adjustment Range (deg) |
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Parallelism (mm) |
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Rotation Stages
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Continuous 360 degree rotation
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Fine adjustment by micrometer
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Concentricity <50microns
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Compatible with linear translation stages
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Five sizes cover most applications
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Inch and metric mounting
Rotation stages permit the precise angular adjustment of components. These stages use plain brass bearings to provide coarse adjustment over a full 360 degree circle. A scale around the circumference provides an indication of the angle. Once set approximately in place the stage may be locked by means of a clamp screw and then fine adjusted by a micrometer (fine pitch screw is used for the 25mm stage). The sizes of these stages are such that they may be mounted together with translation stages to form compound motion devices. The largest stage we offer has a diameter of 160mm and a 102mm central aperture. The 120mm stage has a 62mm central aperture so it can be mounted with an optical beam passing through its center. The 90mm stage will accept a 65mm linear stage and the 65mm rotation stage can be mounted on top of a 65mm translation stage. The 40mm stage is ideal for OEM applications. The 160, 120 and 90mm stages utilize crossed roller bearings for high load capacity.
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| Outer Diameter, d (mm) | Dimensions a x b x c (mm) | Height, c (mm) | Vernier Resolution (arcmin) | Minimum Incremental Motion | Load Capacity (kg) | Type | Dimensions tolerance | Material | Finish | Fine Adjustment Range (deg) | Concentricity (mm) | Parallelism (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 25 x 34.5 | 13 | 20 | 1 arcmin | 3 | Metric | ±0.2mm | Brass | Black Chrome | ±5 | <0.05mm | <0.05mm |
| 40 | 40 x 50 | 13 | 20 | 30arcsec | 5 | Inch | ±0.2mm | Brass | Black Chrome | ±5 | <0.05mm | <0.05mm |
| 40 | 40 x 50 | 13 | 20 | 30arcsec | 5 | Metric | ±0.2mm | Brass | Black Chrome | ±5 | <0.05mm | <0.05mm |
| 65 | 65 x 80 | 20 | 20 | 30arcsec | 7 | Inch | ±0.2mm | Brass | Black Chrome | ±5 | <0.05mm | <0.05mm |
| 65 | 65 x 80 | 20 | 20 | 30arcsec | 7 | Metric | ±0.2mm | Brass | Black Chrome | ±5 | <0.05mm | <0.05mm |
| 90 | 90 x 103 | 22 | 5 | 30arcsec | 15 | Inch | ±0.2mm | Brass | Black Chrome | ±5 | <0.05mm | <0.05mm |
| 90 | 90 x 103 | 22 | 5 | 30arcsec | 15 | Metric | ±0.2mm | Brass | Black Chrome | ±5 | <0.05mm | <0.05mm |
| 120 | 120 x 133 | 22 | 5 | 20arcsec | 20 | Inch | ±0.2mm | Brass | Black Chrome | ±4 | <0.05mm | <0.05mm |
| 120 | 120 x 133 | 22 | 5 | 20arcsec | 20 | Metric | ±0.2mm | Brass | Black Chrome | ±4 | <0.05mm | <0.05mm |
| 160 | 160 x 174 | 22 | 5 | 20arcsec | 20 | Inch | ±0.2mm | Brass | Black Chrome | ±3 | <0.05mm | <0.05mm |