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RPI re-launch the i72 Angle Reference Standard
Monday, November 14th, 2011
The i72 Angle reference standard is now available to all Laser Interferometer and Autocollimator manufacturers, calibration laboratories, and rotary axis OEM’s
The i72 is a compact high accuracy positioning system for use [...]
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QD12-37-B – Squareness of Table Top Face
The unit to be measured is placed onto a granite surface table. A calibrated cylindrical square is used to reference an Indi-Square that in turn is used to measure the squareness of the table top surface to the reference surface.
The Indi-Square is referenced over a range of movement similar to that carried out during the measurement process using the cylindrical square. The rotary table is then maneuvered in front of the referenced Indi-Square and relative measurement is taken at two positions on the face of the table top. The difference between these results gives the squareness error.
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QD12-37-B |
