| 摘要 |
PROBLEM TO BE SOLVED: To accurately measure a surface shape of a weld bead by correcting the inclination of the weld bead to compute the surface shape thereof, even when the inclination occurs to a measuring device in the inspection of the sur face shape of the weld bead. SOLUTION: A mobile-type measuring apparatus comprises a TV camera 14 positioned at the central part, a first projector 12 which is positioned in front thereof to eject a slit-like light askew backward and a second projector 13 which is positioned at the rear thereof to eject the slit-like light askew forward. When a measuring device inclines to an welded object A, the intermediate position of right and left image data to be outputted from the TV camera 14 deviates from the center of the TV camera 14, and the inclination of the measuring device is calculated from the difference between the intermediate position and the center to compute a surface image from the inclination and one image data, thus obtaining an image with the corrected inclination. |
