| 摘要 |
PURPOSE:To efficiently and accurately measure the preciseness of a planar shape, by performing processing allowing the output signals from a plurality of linearily arranged distance sensors, the positional relation of said distance sensors and the angle of rotation of a work to correspond to each other. CONSTITUTION:A planar shape preciseness measuring apparatus is equipped with one measuring bar 12. Height adjusting switches 15 are provided to the measuring bar 12 at the parts in the vicinity of both ends thereof and, by adjusting an adjust screw 13 using said switches 15, the height of the measuring bar 12 is adjusted so that all of sensors 4 are positioned within one plane or horizontal plane almost parallel to the surface of a work. For example, a processing apparatus 19 is composed of a personal computer and a graphic display is connected thereto. Therefore, the processing apparatus 19 performs processing allowing the outputs of the distance sensors 14 of the measuring bar 12 and the angle of rotation of the work 11 to correspond to each other to make it possible to efficiently and accurately measure the preciseness of the planar shape of the work 11.
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