Method and arrangement for optical inspection of a weld seam

Details Method and arrangement for optical inspection of a weld seam Method and arrangement for optical inspection of a weld seam

G - Physics

01

N

G01N 21/88 (2006.01) G01B 11/25 (2006.01) G01N 21/956 (2006.01)

Patent

CA 2214177

In the welding together of sheet-metal blanks (6,7) an image of a line pattern projected across the weld seam is captured by a camera (31) and evaluated to inspect the weld seam. For improved inspection, a sidewards view of the weld seam (26) is obtained, eg. by means of a prism (30), in addition to the view from above. This affords an improved and more accurate inspection of the weld seam.

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