Method and Device for Displaying and Monitoring the Profile of a Weld Bead Inside a Groove Provided Between Two Metal Workpieces
First Claim
1. Method of displaying and monitoring the profile of a weld bead inside a groove provided between two metal workpieces, wherein:
- an assembly is placed inside the groove, said assembly comprising, facing one another, an image acquisition means, a light source, the beam of which is directed towards said image acquisition means, and, between the image acquisition means and the light source, a mask;
the optical axis of the image acquisition means is oriented so as to be approximately parallel to the sidewalls of the groove;
a light beam produced by the light source is directed towards the mask and the image acquisition means;
a central shadow zone and a peripheral halo are formed by means of the light beam and the mask, said halo illuminating, approximately perpendicularly, the weld bead and the sidewalls;
the profile of the weld bead and the sidewalls are displayed on a display/monitoring means; and
said assembly is moved inside the groove longitudinally and parallel to the sidewalls.
1 Assignment
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Accused Products
Abstract
The invention relates to a method of displaying and monitoring the profile of a weld bead (4), in which, placed inside the groove, there is an assembly (10) comprising, facing one another, an image acquisition means (11), a light source (12), the beam of which is directed towards said image acquisition means, and, between the image acquisition means and the light source, a mask (13); the optical axis of the image acquisition means (11) is oriented so as to be approximately parallel to the sidewalls (5, 6) of the groove (3); a light beam produced by the light source (12) is directed towards the mask (13) and the image acquisition means (11); a central shadow zone and a peripheral halo are formed by means of the light beam and the mask (13), said halo illuminating, approximately perpendicularly, the weld bead (4) and the sidewalls (5, 6); the profile of the weld bead (4) and the sidewalls (5, 6) are displayed on a display/monitoring means; and said assembly (10) is moved inside the groove (3) longitudinally and parallel to the sidewalls (5, 6).
22 Citations
19 Claims
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1. Method of displaying and monitoring the profile of a weld bead inside a groove provided between two metal workpieces, wherein:
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an assembly is placed inside the groove, said assembly comprising, facing one another, an image acquisition means, a light source, the beam of which is directed towards said image acquisition means, and, between the image acquisition means and the light source, a mask; the optical axis of the image acquisition means is oriented so as to be approximately parallel to the sidewalls of the groove; a light beam produced by the light source is directed towards the mask and the image acquisition means; a central shadow zone and a peripheral halo are formed by means of the light beam and the mask, said halo illuminating, approximately perpendicularly, the weld bead and the sidewalls; the profile of the weld bead and the sidewalls are displayed on a display/monitoring means; and said assembly is moved inside the groove longitudinally and parallel to the sidewalls. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. Device for displaying and monitoring the profile of a weld bead deposited inside a groove provided between two metal workpieces, wherein it comprises:
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inside the groove, an assembly comprising, facing one another, an image acquisition means, a light source, the beam of which is directed towards said image acquisition means, and, between the image acquisition means and the light source, a mask for forming a central shadow zone and a peripheral halo, said halo illuminating approximately perpendicularly the weld bead and the sidewalls; and outside the groove display means for remotely displaying the profile of the weld bead and the sidewalls. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification