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Apparatus And Method For Measuring 3-D Weld Pool Shape, Radovan Kovacevic, Yu M. Zhang
Apparatus And Method For Measuring 3-D Weld Pool Shape, Radovan Kovacevic, Yu M. Zhang
Mechanical Engineering Faculty Patents
A method and apparatus are provided allowing the determination of 3-D weld pool surface geometry in the presence of a welding arc during a welding operation. The method includes the steps of illuminating the weld pool surface with diffused, structured light and detecting specular reflection of that diffused, structured light from the weld pool surface. An acquired image results. By analyzing the acquired image it is possible to determine the geometry of the weld pool surface. The apparatus for performing the method includes a high intensity light source, a diffuser and a structured light forming grid. A camera is provided …