Transducer alignment method for weight and balance system

Details Transducer alignment method for weight and balance system Transducer alignment method for weight and balance system

G - Physics

01

B

33/32

G01B 9/00 (2006.01) G01B 11/00 (2006.01) G01B 11/26 (2006.01)

Patent

CA 1185084

TRANSDUCER ALIGNMENT METHOD FOR WEIGHT AND BALANCE SYSTEM Abstract of the Disclosure A method of determining the alignment of a first transducer mounting surface relative to a second transducer mountng surface includes utilizing a laser in conjunction with first and second precision ground fixtures secured to the first and second transducer mounting surfaces, respectively. An optically flat mirror is carried by each of the fixtures, with the mirror of the first fixture being partially light- transmissive. The incident light beam from the laser is directed at the partially light-transmissive mirror which, in turn, reflects part of the incident beam to form a first reflected beam. The remaining portion of the incident beam is transmitted and is reflected by the other mirror to form a second reflected beam. The two beams reflected by the mirrors are projected upon a screen disposed in front of the laser, such screen having an aperture through which the incident beam passes. The position of the laser and screen is adjusted so that the reflected beam from one of the mirrors falls at a predetermined location on the screen. The horizontal and vertical distances on the screen of the reflected beams from the incident beam are measured and are used in an equation to determine the angular alignment of the transducer mounting sur- faces relative to one another.

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