Measurement method to facilitate production of self-aligning...

Details Measurement method to facilitate production of self-aligning... Measurement method to facilitate production of self-aligning...

G - Physics

01

C

G01C 19/66 (2006.01) G01C 25/00 (2006.01)

Patent

CA 2410711

A method for locating the position for a concave mirror alignment device on a RLG block, comprising the following steps: 1) mount a "log" onto a CNC machine; 2) select several points along the length of the log for measurement; 3) measure the mirror mounting surface radial distances at each of the several points from the "front" of the log; 4) measure the surface radial distances at each of the several points from the "rear" of the log; 5) determine the radius, and ultimately the diameter, of a circle tangent to the mirror mounting sides of the log, for each of the several selected points; 6) determine a "best fit" equation to describe the diameters as a function of position along the log; 7) determine the offset alont the X axis for the mirror mounting device of each block within the log.

La présente invention concerne un procédé de localisation de position d'un dispositif d'alignement de miroir concave sur un bloc gyroscope laser (RLG). Ce procédé consiste: (1) à monter un <=rondin>= sur une machine à commande numérique, (2) à sélectionner plusieurs points sur la longueur de ce rondin en vue de mesure, (3) à mesurer les distances radiales de la surface de bâti au niveau de chacun des points à partir de l'avant de ce rondin, (4) à mesurer les distances radiales de surface au niveau des points à partir de l'arrière de ce rondin, (5) à déterminer le rayon, et finalement le diamètre d'un cercle tangentant les côtés du bâti du miroir de ce rondin, pour chacun des points sélectionnés, (6) à déterminer l'équation la mieux adaptée pour décrire ces diamètres en fonction de position le long de ce rondin, (7) et à déterminer le décalage le long de l'axe X du dispositif de bâti de miroir de chaque bloc dans ce rondin.

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