| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate measurement of the dimensions of a work-piece in a small work area. <P>SOLUTION: An optical measurement apparatus includes a reference support 40 on which are mounted a fixed headstock 57 and a movable tailstock 60 opposed to the fixed headstock and movable along a linear axis to come closer to or move away from the headstock 57 in order to maintain a piece to be measured between the headstock 57 and the tailstock 60, and a movable carriage 100 movable along the linear axis, carrying a light source 110 for directing a beam of collimated light across the x axis to be interrupted by the piece under measurement, and further carrying an optical detector 120 aligned with the light source 110 and arranged to receive the residual light of the beam of collimated light that has not been interrupted by the piece under measurement. <P>COPYRIGHT: (C)2012,JPO&INPIT |
