FIELD: Roentgen radiation engineering.
SUBSTANCE: laser centering mount comprises additional second reflector whose center is positioned at the distance B from the axis of Roentgen beam in the direction same to that of the laser axis and at the distance R from the laser axis in the direction perpendicular to this axis. The plane of the second reflector is perpendicular to the plane formed by the axes of laser and Roentgen beam . The center of the second reflector is in coincidence with the point of intersection of the rotation axis of the scale pointer of the distance indicator with the plane defined by the axes of the laser and Roentgen beam. The second reflector is mounted at the angle φ ≥ αmin + Δ to the axis that passes through its center parallel to the laser axis in the plane defined by the axes of Roentgen beam and laser, where αmin = arctg(B/Dmax) is the angle of inclination to the axis of laser beam emerging from the second lens, which is directed to the point of intersection of the axis of the Roentgen beam that is in coincidence with the beam axis emerging from the first face of the laser with the object that is located at the maximum distance Dmax from the Roentgen emitter, B is the distance along the normal from the axis of Roentgen beam to the center of the second reflector and, and Δ is the angular parameter.
EFFECT: simplified structure.
1 dwg
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Authors
Dates
2007-04-10—Published
2005-10-04—Filed